160mm Neck Wide-Mouth Bottle Preform, 150g PET Bottle Preform, Large Diameter Transparent P-tube Preform
FEATURES
The 150g PET Bottle Preform is designed for heavy-duty applications requiring high material strength, such as large-capacity beverage bottles (1.5L–5L), edible oil bottles, and chemical containers. At this weight class, the preform delivers exceptional top-load strength and stress-crack resistance. Key advantages include:
High Intrinsic Viscosity (IV) Compatibility: The 150g preform can utilize high-IV PET resin (0.78–0.85 dL/g) to achieve superior pressure resistance and mechanical durability.
Uniform Wall Thickness Distribution: Precision-engineered to ensure consistent material distribution after stretch blow molding, preventing thin spots and bottle collapse.
Optimized for Hot-Fill Applications: Capable of accommodating higher thermal stability for hot-fill beverages like juices and teas.
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Mold Description
Product Materials:
PET PETG
Mold Material:
S136ESR
Number of Cavities:
2
Glue Feeding Method:
Hot runner
Cooling Method:
Water cooling
Molding Cycle
26.5s
- The mold manufacturing process and product material selection
The Large Diameter Transparent P-tube Preform offers unique advantages for pharmaceutical, cosmetic, and laboratory applications requiring high clarity and precise dimensions. Large diameter P-tube preforms are characterized by:
Exceptional Transparency: Using high-purity virgin PET or GPPS materials ensures glass-like clarity, enhancing product visibility on retail shelves.
Chemical Resistance: PET provides excellent resistance to most organic solvents and weak acids, making it suitable for a wide range of chemical and healthcare products.
Dimensionally Stable: Large-diameter designs require advanced mold engineering to maintain concentricity and prevent ovality during injection molding.
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Common Gram Weights for PET Preforms from Ansix Tech
Ansix Tech offers standard and customized PET preform weights based on end-use applications. Below is a reference table of common PET preform gram weights:
Neck Size Typical Applications Common Preform Weights (grams)
30mm/3025 500ml–1500ml water bottles 12g, 13g, 14g, 16g, 18g, 19g, 20g, 22g, 24g, 26g, 27g, 28g, 30g, 32.5g
38mm Standard Large-volume drinks, juice bottles, milk bottles 32g–88g
Wide Mouth (38mm–63mm) Food jars, wide-mouth containers 30g, 38g, 48g, 90g, 95g, 180g
28mm PCO1881/PCO1810 Carbonated & non-carbonated beverages 13g–60g
Heavy-Duty / Hot-Fill Juices, teas, high-temperature filling 20g–45g
Note: Custom weights are available upon request. Ansix Tech specializes in providing tailored preform solutions matching specific bottle designs, including the 160mm neck wide-mouth series with weights from 30g up to 180g for large jar applications.
Section 2: Manufacturing Capabilities, Production Advantages & Cost Control
Hard-Power Infrastructure (Building Customer Trust Through Equipment Foundation)
Mold Machining Equipment:
At Ansix Tech, we equip our facilities with advanced five-axis high-speed machining centers capable of machining complex curved surfaces to 0.002mm precision, ensuring that your product’s parting lines are smooth and free of burrs. Our wire EDM (slow-wire cutting) enables the machining of fine micropores and narrow slots down to 0.03mm, effectively preventing thin-wall deformation in intricate component designs.
Injection Molding Machine Park:
Our press fleet ranges from 30 tons to 4,000 tons of clamping force, covering product size dimensions from miniature high-precision parts (sub-gram weights) up to large-format industrial components. All machines are driven by full-servo electric motors, delivering a repeatability accuracy of ±0.1%. This consistency ensures that every molded shot is identical to the first—critical for high-volume production runs.
Inspection & Metrology Equipment:
Quality verification relies on CMM (Coordinate Measuring Machines), optical imaging instruments, and laser gauges. Every mold leaving our factory undergoes a full dimensional report comparison, with key process capability indices (CPK) guaranteed to be ≥1.33.
Manufacturing Process Efficiency & Delivery Performance
PET Resin Preparation:
Before injection molding, all PET resin must be properly dried to <50 ppm moisture content to prevent hydrolytic degradation. Using dehumidifying dryers at 165°C–175°C for 4–6 hours ensures optimal processing conditions. The optimal moisture range is controlled within 0.001%–0.004% to avoid both under-drying (hydrolysis) and over-drying (material degradation).
Injection Molding Process Control:
Melt Temperature: Standard range of 260°C–290°C for PET, with precise multi-zone control to avoid degradation and color changes.
Mold Temperature: Maintained at 20°C–40°C for uniform surface finish.
Cycle Time Optimization: Our systems are designed to balance fill/pack/hold times and cooling parameters to maximize cavity output without introducing warpage. Studies show that cooling time is the most significant factor affecting product quality, contributing 28.78% of process variability.
Cycle Time Efficiency:
Advanced systems can achieve cycle times as low as 4.5 seconds for lightweight preforms on high-cavity molds (e.g., 144-cavity configurations). For standard production, typical cycle times range 18–23 seconds, with advanced cooling design enabling faster solidification and reduced per-part energy consumption.
Cost Control Advantages
Material Cost Savings:
For high-volume producers, eliminating just one gram from each preform can yield hundreds of thousands of dollars in annual savings. Through lightweighting strategies and material optimization, we help clients achieve up to 20% reduction in material usage compared to conventional designs.
Energy Cost Reduction:
Electricity consumption can drop by up to 30% through optimized processing and simplified thermal history.
Total cost of ownership (TCO) can be lowered by up to 35% through reduced energy usage, optimized material sourcing (including rPET flakes), and lower logistics costs.
Scrap Reduction:
A 1% reduction in scrap at a plant can save approximately $100,000 USD annually in material costs alone.
rPET Integration:
Using recycled PET (rPET) reduces cost volatility and meets sustainability targets. Up to 25–50% rPET content is achievable without compromising clarity or strength. Advanced systems can even run 100% rPET while maintaining quality and efficiency.
Quality Assurance System
Ansix Tech implements a comprehensive quality control protocol:
Dimensional Checks: Neck inner/outer diameter tolerance verification using calibrated gauges.
Weight Tolerance: ±0.2g or per agreement.
Surface Defect Inspection: Visual and automated camera inspection for flow marks, sink marks, flash, and haze under bright light.
IV Measurement: Confirmation of molecular weight and target strength performance.
Material Traceability: Each resin batch is documented with lot number, date, and physical property test results.
Certifications: ISO 9001-certified quality management system ensuring documented procedures, traceability, and continuous improvement.
Section 3: Mold Manufacturing & Injection Molding – Core Value Proposition to Customers
Hard-Power Infrastructure (Building Customer Trust Through Equipment Foundation)
Advanced Mold Machining Equipment:
Ansix Tech is equipped with five-axis high-speed machining centers capable of achieving 0.002mm precision for complex curved surfaces. This ensures that the parting lines of your product are smooth and completely free of burrs. Additionally, our slow-wire EDM systems can machine fine micro-holes and narrow slots down to 0.03mm, enabling intricate designs that prevent thin-wall deformation. This precision translates to reduced post-processing labor for your production line because flash is minimized by design.
Comprehensive Injection Molding Machine Fleet:
Our press range spans 30 tons to 4,000 tons of clamping force, covering everything from small high-precision components to large-format industrial parts. All injection units are driven by full-servo electric motors, providing a repeating accuracy of ±0.1%. This means that whether you run 100 cycles or 10 million cycles, every single shot is identical to the first.
Full Metrology Capabilities:
We utilize CMM (Coordinate Measuring Machines), optical imaging instruments, and laser gauges. Before any mold leaves our factory, we provide a full dimensional report where every key dimension is verified to ensure a Process Capability Index (CPK) of ≥1.33.
Customer Value Realized:
Hardware reliability eliminates start-up failures.
High-precision machining reduces manual flash removal, saving labor hours.
Full servo-electric repeatability ensures consistent quality across millions of cycles.
Core Mold Manufacturing Competencies (Customer-Value Metrics at a Glance)
Dimension Professional Technical Expression What This Means for the Customer (Value)
Mold Life Mold bases utilize P20 steel; mold cores and cavities employ tool steels such as S136, 2344, 8407, SKD11/61, DC53, M340, NAK80, and H13. Guaranteed 500,000 cycles for glass-fiber-filled materials and 1,000,000 cycles for standard thermoplastics. We provide detailed steel material certifications and heat treatment curves. Risk of mid-production tool failure = eliminated.
Attainable Tolerances Standard structural components: ±0.05mm; precision gears and medical components: ±0.005mm. Seamless assembly on your fill lines. No loose fits or jamming mechanisms.
Mold Types Expertise includes hot runner systems (scrap reduction), stack molds (doubled efficiency), two-shot/multi-material molding, and high-gloss molds (Ra<0.05μm for transparent parts). Reduced material waste through optimized thermal gating. High-gloss finishes eliminate painting costs for cosmetic components.
Gating & Filling Solutions Moldex3D CAE simulation is used to predict weld lines and air trap locations, optimizing gate count and positions to ensure perfect balanced filling. No trial-and-error on the floor. The mold runs correctly out of the box.
Lead Time Standards Simple molds: 10 days; standard complexity: 25–45 days; expedited available to 20 days (with validation steps preserved). Faster time-to-market. Predictable scheduling for your quarterly launches.
Injection Molding Process Control (Removing Customer Quality Anxiety)
Customers fear sink marks, flash, dimensional instability, and color variation from batch to batch.
Process Standardization:
All injection machines are connected to a network. Key molding parameters (temperature, pressure, speed, and time) are locked into the MES system. Only authorized engineers can make adjustments. We conduct first-article and last-article inspections for every batch.
Dimensional Stability Control:
We deploy mold temperature controllers (TCU) with zonal water circuits to keep the differential between the core and cavity within 2°C, drastically reducing warpage and shrinkage. For example, structural brackets produced over three consecutive weeks display a critical hole spacing variance of ≤0.02mm.
Appearance and Surface Quality:
We achieve specific cosmetic standards depending on material and application:
Transparent parts: No bubbles or flow lines.
Platable components: No gas streaks (splay) that would ruin chrome adhesion.
High-gloss parts: Surface roughness of Ra ≤0.2μm.
Special Materials Capability:
Our real-world experience spans engineering resins including PC/ABS, PC, PPS+40%GF, PEEK, PTFE/PFA, PA6+GF30, PBT, PEI/PPS/LCP, and LSR (Liquid Silicone Rubber). We can specifically satisfy requirements for UL94 V-0 flame ratings (flame-retardant enclosures) and UV resistance (3,000-hour weatherometer testing without discoloration).
Full-Service Lifecycle Support (Reducing Customer Management Overhead)
Early Design for Manufacturability (DFM) Engagement:
We provide a mold feasibility analysis report before you sign the contract. This includes material shrinkage recommendations, wall thickness optimization, gate placement, and allowances for ejector pin marks. Problem: solved before a single gram of steel is cut.
Pre-Tooling Prototyping & Validation (Rapid Prototyping):
Ansix Tech creates full-scale prototype mold inserts using high-speed machining and, when beneficial, additive manufacturing for cooling channels. We produce actual preforms before final tooling is finished and test them in blow molding environments (for bottles) or assembly fixtures (for components). Any detected deviation is fed back into the CAD model for iterative improvement prior to production steel cutting.
Trial Runs (T0 – T3):
We provide samples from initial to third trials (T0–T3), accompanied by detailed improvement reports. We can swap inserts for design verification without rebuilding the entire mold.
Pre-Production Validation:
Before mass production, we provide 100–500 prototype shots of trial production. We review the yield rate and CPK data. Only when the process is statistically validated do we proceed to full-scale production.
Maintenance & Spare Parts:
Every mold ships with standard wear parts (ejector pins, core inserts). We offer mold maintenance every 200,000 cycles and lifetime repairs at cost price.
Transparent Competitive Differentiators (Concrete Resolutions to Pain Points)
Common Customer Complaint Ansix Tech’s Professional Response (Guaranteed Performance)
"Molds break frequently and disrupt orders." "We conduct a 2,000-cycle aging test before delivery and provide a wear report. We offer a 3-year mold structural warranty (excluding normal wear of consumables)."
"Excessive flash on parts leads to high finishing costs." "We machine the parting surface to 0.005mm fit precision using self-locking clamp force compensation. Flash is controlled to <0.03mm out of the press, eliminating manual deflashing."
"Dimensional quality fluctuates between batches." "Our presses have ultrasonic wall thickness sensors and in-cavity pressure sensors. The system provides closed-loop feedback and automatically compensates packing pressure to eliminate drift."
"Mold repair takes too long." "We maintain an in-house electrode machining center and EDM workshop. Standard weld repairs or insert replacements restore production within 24 hours."
Section 4: Manufacturing Process Details – 160mm Neck Wide-Mouth Bottle Preform, 150g PET Bottle Preform, Large Diameter Transparent P-tube Preform
Raw Material Selection and Material Characteristics
PET Resin Grades:
For bottle-grade applications, Ansix Tech specifies PET resins with Intrinsic Viscosity (IV) values typically ranging 0.70–0.86 dL/g, depending on the application:
IV 0.72–0.76 dL/g: Carbonated soft drinks (pressure resistance critical).
IV 0.74–0.78 dL/g: Water and juice bottles.
IV 0.78–0.85 dL/g: Standard beverage bottles.
IV 0.80–0.84 dL/g: Hot-fill applications requiring higher thermal stability.
Material Composition Details:
Base Polymer: Polyethylene Terephthalate (PET), supplied as free-flowing pellets designed for injection molding and reheat stretch blow molding.
Additives & Colorants: UV stabilizers, oxygen scavengers, or tint masterbatches as required.
rPET Integration: Up to 25–50% recycled content achievable without compromising clarity or strength.
Key Material Properties:
Property Specification
Moisture Before Molding < 0.004% (40 ppm) maximum
Drying Temperature 165°C – 175°C
Drying Time 4 – 6 hours
Melt Temperature 260°C – 290°C
Mold Temperature 20°C – 40°C
Mold Flow Analysis (Moldflow / DFM)
Integrated Simulation Workflow:
Ansix Tech uses Moldex3D CAE tools embedded directly into the design workflow. The DFM process goes beyond simple flow analysis to simulate complex phenomena including fiber orientation in reinforced materials, chemical foaming processes, and in-mold decoration challenges.
What DFM Predicts and Optimizes:
Wall thickness variations – Ensures uniform filling and cooling.
Weld line locations – Identifies and mitigates through gate placement optimization.
Air trap positions – Optimizes venting strategy.
Temperature gradients – Directs cooling channel placement for uniform solidification.
Design Principles:
Ansix Tech’s design approach emphasizes uniform wall thickness, generous radii, and balanced flow paths. For demanding materials like PEEK, minimum wall thickness of 2mm is maintained to minimize voids and warpage. For LCP, wall thickness is kept under 1mm with flow lengths under 150mm to ensure complete filling.
Mold Design Priorities
Core Considerations for High-Volume Production:
Cavity Layout: Optimized to ensure balanced filling and cooling across all cavities. Advanced layout software enables simulation that optimizes cavity distribution, runner systems, gating arrangements, and cooling channels.
Hot Runner System: Pin-valve type hot runners are specified for PET preforms. Heat distribution is controlled with multiple temperature zones, ensuring consistent PET pathway temperature and reducing stress on the material. Valve-gate hot runner systems enable tailless preform production.
Cooling System Design: High-conductivity alloys for mold inserts and conformal cooling channels optimized for turbulent flow at minimum flow rates. Cooling water channels in gate, cavity, thread splits, and cores are designed for turbulent flow, ensuring fast and efficient heat exchange between steel and water.
Ejection System: Ergonomic design allowing cores, core lock rings, thread splits, and cavity flanges to be changed with the mold in the machine for quick servicing.
Steel Selection for Preform Molds
Mold Component Recommended Steel Hardness Key Properties
Core & Cavity S136, 420SS, H13 48–50 HRC Corrosion-resistant, highly conductive, tough, wear-resistant
Thread Splits Corrosion-resistant steel >50 HRC Prevents flash, long service life
Mold Base P20 (chrome-plated) Pre-hardened Anti-rust, rigid, withstands clamping forces
Gate Area Beryllium Copper, SKD61 – Excellent thermal conductivity for aggressive cooling
Higher IV PET resins typically require tougher tool steels. Proper steel selection ensures mold life exceeding 5 million shots in proper application conditions. All stack components are hardened to over 50 HRC for maximum wear resistance and long service life.
Mold Manufacturing Process Flow
The transformation from design to physical mold involves multiple precision manufacturing steps:
Rough Machining – CNC milling establishes basic geometry.
Heat Treatment – Applied when necessary to improve durability.
Precision Finishing – High-speed five-axis machining to achieve tight tolerances.
EDM (Electrical Discharge Machining) – Used for complex cavity details and fine features.
Assembly & Fitting – Component mating and alignment verification.
Surface Finishing – Polishing to required surface finish (Ra <0.05μm for high-gloss transparent parts).
Validation Testing – Trial runs (T0 to T3) with full dimensional reporting.
Preform Validation and Injection Molding Challenges
Key Validation Steps:
In-Mold Validation: T0 to T3 trials with dimensional inspection after each run.
Blow Molding Validation: Preforms stretch-blow molded into finished bottles; neck finish integrity, top-load strength, and leak testing performed.
Dimensional Checks: Weight tolerance ±0.2g; wall thickness variation <0.05mm; concentricity deviations minimized using central orientation adjustment systems.
Injection Molding Challenges for Large-Diameter and High-Weight Preforms:
Challenge Technical Solution
Long cooling times increasing cycle duration Optimized conformal cooling channels + high-conductivity alloy inserts; advanced cooling strategies can reduce cycle time 25–35%
Material settling/sinking (heavy weight sections) Balanced packing/holding pressure settings + runner design for uniform cavity fill
Ovality risk in large-diameter necks Central orientation adjusting system minimizes preform eccentricity
High crystallinity in gate area causing haze Gate thermally insulated from hot runner nozzle + aggressive gate cooling
Weight inconsistency between cavities Pin-valve hot runner systems for precise injection weight control + precision machined components across all cavities
Quality Control and Assurance
QC Checkpoint Method Acceptance Criteria
Raw Material Resin COA, IV testing IV within specification; moisture <40 ppm
In-Process Automated vision inspection No surface defects, sinks, or flash
Dimensional CMM, optical gauges Key dimensions within ±0.05mm; neck finish 0.2mm tolerance
Weight Precision balance ±0.2g tolerance
Wall Thickness Ultrasonic gauge Variation <0.05mm
Concentricity Central orientation gauge Within specified offset tolerance
Post-Blow Molding Top-load test, leak test Meets bottle performance requirements
Process Optimization (Efficiency & Cost Control)
Parameter Optimization:
Studies demonstrate that optimized parameters can reduce:
Warpage by 4.75% (e.g., from 0.2mm to 0.1905mm)
Weight by 2.05% (e.g., from 43.25g to 42.37g)
Key Optimization Variables:
Cooling time (most significant, 28.78% contribution to quality)
Cycle time optimization (balance of fill/pack/hold/cooling)
Melting temperature (260°C optimum)
Holding pressure (120 MPa benchmark)
Mold temperature (70°C benchmark)
Efficiency Improvement Strategies:
Cavity count maximization: High-cavity designs (96-144 cavities) dramatically increase per-cycle output. Ansix Tech has successfully delivered 96-cavity preform molds.
Automated handling: Preform drop automatic, reducing manual intervention and defect risk.
Real-time monitoring: All machines connected to MES with locked process parameters.
Packaging and Fast Delivery
Packaging Standards:
Preforms stored standing vertically in original packaging or on racks in dry, temperature-controlled environments.
Automated conveyor systems ensure gentle part handling to minimize defects.
Packaging designed to prevent deformation and contamination during transit.
Delivery Process Flow:
text
Raw material certification → In-process QC → Final dimensional report
→ CPK data package → Packaging → Shipment → Installation support
Lead Time Standards:
Mold manufacturing: 25–45 days standard; expedited 20 days.
Production mold trials: T0–T3 completed before mass production.
Pre-production validation: 100–500 shots with yield and CPK reporting.
Section 5: Ansix Tech’s Industry Experience and Customer Value Proposition
Over 28 Years of Manufacturing Excellence
Ansix Tech specializes in 160mm Neck Wide-Mouth Bottle Preform, 150g PET Bottle Preform, and Large Diameter Transparent P-tube Preform design and production. With over 28 years of manufacturing experience, we are positioned to meet both customer and market requirements for product quality standards.
Our services span the entire production lifecycle from prototype design and validation through mass production and assembly verification.
What Customer Value Does Ansix Tech Provide?
Value #1 – Problem-Solving at the Source:
Early DFM engagement identifies moldability risks before production begins.
Customized resin selection ensures the right IV, additives, and processing parameters for your specific application.
Design optimization eliminates potential defects: weld lines, air traps, sink marks.
Value #2 – Comprehensive Quality Validation:
Full dimensional reporting with CPK ≥1.33.
T0 through T3 trial runs with detailed improvement reports.
Pre-production validation (100–500 shots) before mass production commitment.
In-house blow molding testing for bottle preforms.
Value #3 – Cost Reduction Across the Product Lifecycle:
Material optimization saves 2–20% in resin usage per preform.
Lightweighting strategies reduce per-unit material cost without compromising performance.
rPET integration (up to 50%) decouples production costs from virgin resin volatility.
Energy-efficient processing reduces electricity consumption up to 30%.
Scrap reduction (1% reduction saves $100,000 annually in material costs).
Value #4 – Capacity and Delivery Assurance:
Up to 96-cavity mold capability delivering high-volume output.
Standard mold delivery: 25–45 days; expedited available to 20 days.
Real-time production monitoring with MES-locked process parameters.
Value #5 – Reliability Through Process Integration:
From raw material certification to final part delivery – complete traceability.
Spare part kits included with every mold; 24-hour repair turnaround.
2,000-cycle aging test before delivery; 3-year mold structural warranty.
Key Cost-Saving Levers Ansix Tech Applies
From a cost reduction perspective, Ansix Tech focuses on three pillars:
Material Optimization: Specifying appropriate IV values and rPET blends; lightweighting each preform to minimum functional weight without sacrificing structural integrity.
Process Efficiency: Advanced cooling design reducing cycle times 25–35%; multi-cavity tooling increasing output per machine hour.
Quality Prevention: Eliminating defects before they occur through DFM simulation; in-process monitoring with closed-loop corrections.
Conclusion
Ansix Tech is not just a mold manufacturer – we are a total solution provider for 160mm Neck Wide-Mouth Bottle Preform, 150g PET Bottle Preform, and Large Diameter Transparent P-tube Preform production. Every mold is designed with the production line’s manufacturability, filling capability, and long-term reliability as the primary design constraints. From raw material selection and DFM simulation through to injection molding validation and delivery, Ansix Tech brings 28+ years of experience to ensure your project’s success – delivered on time, on spec, and on budget.
Ansix Tech Co Ltd
If you have any plans related to 160mm Neck Wide-Mouth Bottle Preform, 150g PET Bottle Preform, Large Diameter Transparent P-tube Preform , you can contact us at any time. We will turn your ideas into reality, let you realize your dreams, and obtain large orders from the market. Our contact information is info@ansixtech.com. Or contact our CTO, mail: stephen@ansixtech.com
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