152mm Neck Wide-Mouth Bottle Preform, 120g 145g, with Handle and Cap

FEATURES

• For the 152mm wide‑mouth configuration, Ansix Tech manufactures a comprehensive range of standard PET preform weights to serve diverse customer applications. The standard offering includes the following weight options:

   

  Preform Weight Typical Application Final Bottle Capacity Range

  65g – 75g Lightweight jars, powder containers 0.5L – 1.0L

  120g Medium‑duty industrial jars, food containers 1.5L – 2.5L

  145g Heavy‑duty jars, chemical containers 2.5L – 4.0L

  180g – 200g Large bulk containers, jerrycans 4.0L – 6.0L

  In addition to the 120g and 145g configurations, Ansix Tech’s wide‑mouth preform portfolio spans from 12g to 200g across neck sizes 53mm, 63mm, 68mm, 89mm, 95mm, 110mm, 120mm, and 152mm, providing customers with a complete range of options for food, cosmetic, industrial, and chemical packaging applications.

   

  All Ansix Tech PET preforms are manufactured from 100% virgin PET resin or customer‑specified blends including post‑consumer recycled PET (rPET), ensuring high transparency, high toughness, excellent smoothness, and compliance with food‑grade safety standards. The product features a highly polished surface finish that translates directly into excellent bottle clarity after blow molding.

  
  

• Mold Description
  Product Materials:	PET PETG
  Mold Material:	S136ESR
  Number of Cavities:	2
  Glue Feeding Method:	Hot runner
  Cooling Method:	Water cooling
  Molding Cycle	12.5s

  
  
  

• 
• The mold manufacturing process and product material selection
  

   Production Process – From Resin to Ready‑to‑Blow Preform

  2.1 Raw Material Preparation

  The production process begins with careful resin selection and preparation. For the 152mm wide‑mouth preform, Ansix Tech primarily uses PET resin with an intrinsic viscosity (IV) in the 0.78–0.84 dL/g range, which provides the optimal balance of mechanical strength, pressure resistance, and processability for wide‑mouth container applications. The resin is dried to a moisture level below 50 ppm (targeting 20–40 ppm) using desiccant air dryers, preventing hydrolysis and maintaining IV stability throughout the injection process.

• Injection Molding

  The injection molding process for the 152mm neck preform is executed on high‑precision injection molding machines equipped with multi‑cavity hot runner molds. The process parameters are precisely controlled:

   

  Melting temperature: 270°C – 290°C

   

  Injection pressure: Optimized based on cavity fill analysis

   

  Holding pressure and time: Calibrated to ensure complete fill without over‑packing

   

  Cooling time: Accounts for 40–60% of the total molding cycle, critical for dimensional stability and cycle efficiency

   

  Ansix Tech operates a fleet of 260 injection molding machines with clamping forces ranging from 30 tons to 2,800 tons across four manufacturing facilities in China and Vietnam, providing the production capacity and flexibility to handle large‑volume preform orders.

   

  2.3 Cooling and Ejection

  After injection, the preforms undergo controlled cooling within the mold. An optimized cooling system – including spiral cooling channels, baffle‑and‑bubbler designs in both core and cavity plates – ensures uniform cooling across all cavities, with temperature variation maintained within ±2°C across the mold. This uniformity directly translates to consistent preform transparency, mechanical properties, and shorter cycle times.

   

  2.4 Post‑Molding Handling and Packaging

  Once ejected, preforms are gently conveyed to avoid surface scratches or impact damage. Automated sampling stations perform real‑time quality inspections, including weight verification and visual defect screening. Preforms are then packaged in anti‑static, foam‑lined cartons or custom packaging solutions designed to prevent contamination and physical damage during transit.

   

  3. Manufacturing Advantages

  3.1 Advanced Equipment Infrastructure (Trusted Hardware Foundation)

  Mold Manufacturing Equipment:

  Ansix Tech’s mold workshop is equipped with 5‑axis high‑speed machining centers capable of machining complex curved surfaces with ±0.002 mm precision. This ensures that product parting lines are smooth and free of flash or burrs. The facility also operates slow wire electrical discharge machines (EDM) capable of producing 0.03 mm fine micro‑holes or narrow slots without causing thin‑wall deformation.

   

  Injection Molding Machine Fleet:

  With 260 injection molding machines spanning clamping forces from 30 tons to 2,800 tons across four production bases in China and Vietnam, Ansix Tech can accommodate the full range of preform sizes and volumes. The injection molding machines are predominantly all‑electric servo‑driven, delivering stable repeatability within ±0.1% – meaning each molding cycle produces preforms that are virtually identical to the last.

   

  Inspection and Metrology Equipment:

  Every mold undergoes pre‑delivery verification using Coordinate Measuring Machines (CMM) and optical imaging inspection systems. A full dimensional report is provided for each mold, with critical dimensions maintained at CPK ≥ 1.33 – a statistically rigorous assurance of process capability that meets or exceeds automotive and medical industry standards.

   

  3.2 Mold Manufacturing Core Competencies (Measurable Performance Metrics)

  Dimension Technical Expression (Customer Benefit)

  Mold Life Using S136 stainless steel for cavities/cores (hardness HRC 48–52), H13 tool steel for high‑volume runs, and P20 pre‑hardened steel for standard applications. Guaranteed: 1–3 million shots under normal PET processing conditions. Provides material certification reports and heat‑treatment curves upon delivery.

  Achievable Tolerance ±0.05 mm for standard structural features; ±0.005 mm for precision sealing surfaces. The 152mm neck’s sealing land and thread dimensions are maintained within ±0.03 mm to ensure leak‑free cap sealing.

  Mold Type Hot runner systems with valve‑gate control – standard for all PET preform molds to eliminate cold runner waste, reduce material consumption, and ensure uniform fill across all cavities.

  Gate and Runner Design Conical tapered torpedo heads reduce melt shear rate gradient by 80% and eliminate flow lines. The measured maximum weight difference across 48‑cavity molds is ≤0.03g (traditional molds typically exceed 0.15g).

  Delivery Standards Standard: 25–45 days for medium‑complexity molds. Express: as fast as 20 days (with all validation steps preserved).

  3.3 Material Selection for Injection Molding – Strategic Precision

  The selection of mold steel and injection materials directly impacts part quality and tooling cost. Ansix Tech follows a rigorous material selection framework that evaluates not only material properties but also manufacturability, lifecycle cost, and end‑use performance.

   

  For injection molding of the 152mm wide‑mouth preform, Ansix Tech selects materials based on three core dimensions:

   

  Production volume – determines steel hardness requirements

   

  Resin chemistry – affects corrosion and wear resistance needs

   

  Surface finish requirement – dictates polishability of steel

   

  Common material grades and their applications:

   

  P20 (HRC 28–33, pre‑hardened) – Ideal for prototype and medium‑volume molds up to 500,000 shots with unfilled resins. Lowest tooling cost; requires no post‑machining heat treatment.

   

  H13 / SKD61 / 1.2344 (HRC 48–52) – Standard for high‑volume PET preform molds. Excellent thermal stability, toughness, and wear resistance for continuous high‑temperature operation.

   

  S136 / 420SS (HRC 50–54) – Mandatory for corrosive resins and food‑grade / medical applications requiring mirror‑polished surfaces (Ra < 0.05 μm) and superior corrosion resistance.

   

  NAK80 (P21) – Pre‑hardened steel with high mirror polishing performance, ideal for transparent PET preforms requiring exceptional clarity.

   

  M340 / 4Cr13 / 9Cr18 – Alternative stainless grades for specific corrosion resistance requirements.

   

  2344, 2343, 8407 – High‑performance hot work steels suitable for demanding PET molding conditions.

   

  DC53 (HRC 58–62) – For high‑glass‑filled grades (>40% GF) requiring superior wear resistance; offers better toughness than SKD11.

   

  To meet your specific requirements for the 152mm wide‑mouth preform, Ansix Tech can implement:

   

  Modular cavity construction – Replaceable cavity lock rings (wear parts) separated from the cavity for inexpensive and easy replacement

   

  Thread splits manufactured from corrosion‑resistant steel with PVD coatings (optional) for extremely wear‑resistant surfaces and easier ejection with lower ejection forces

   

  Precision machined and finished components ensuring minimal weight variation across cavities (≤0.03g), excellent concentricity between core and cavity, consistent dimensions across cavities, and flash‑free parting lines

   

  3.4 Intelligent Manufacturing Integration and Efficiency Enhancement

  MES (Manufacturing Execution System) Integration:

  All injection molding machines are connected to a centralized MES platform. Critical process parameters – including temperatures, injection pressures, holding pressures, injection speeds, and cycle times – are locked within the system. Only authorized engineers can modify these parameters, ensuring process discipline and batch‑to‑batch consistency. Each production batch includes first‑article and last‑article inspections, with complete traceability records.

   

  Real‑Time Process Monitoring and Closed‑Loop Control:

  The injection molding machines are equipped with ultrasonic wall thickness sensors that continuously monitor preform wall thickness fluctuations and automatically adjust holding pressure in real time to compensate for material or environmental variations. Mold‑mounted temperature and pressure sensors provide closed‑loop feedback to the machine controller, ensuring that the mold cavity temperature distribution remains within ±2°C across all cavities.

   

  Cycle Time Optimization:

  For PET preform production, cooling time typically accounts for 40–60% of the total molding cycle. Ansix Tech’s optimized cooling system design – incorporating spiral cooling channels, baffle‑and‑bubbler configurations, and conformal cooling where applicable – accelerates heat extraction without compromising preform quality. This directly reduces cycle time and increases output per machine hour.

   

  Industry Reference Performance:

  Advanced high‑cavitation PET preform systems can achieve cycle times as low as 4.5 seconds for lightweight preforms using 144‑cavity molds. Ansix Tech adapts similar principles to the 152mm wide‑mouth format, leveraging multi‑cavity tooling and rapid cooling to maximize throughput while maintaining strict quality standards.

   

  4. Quality Assurance – Systematic Reliability Engineering

  4.1 Process Quality Control (Addressing Customer Quality Concerns)

  Customers’ most common quality concerns include: shrinkage/sink marks, flash, dimensional instability, and batch‑to‑batch color variation. Ansix Tech systematically addresses each:

   

  Customer Concern Ansix Tech Solution

  Shrinkage / sink marks Moldflow analysis pre‑identifies potential sink locations; optimized gate placement and holding pressure profiles eliminate surface defects before production begins.

  Flash on parting lines Parting lines are machined to ±0.005 mm fit accuracy. Self‑locking clamp force compensation ensures that flash is maintained below 0.03 mm per batch, eliminating manual deflashing operations.

  Dimensional instability Mold temperature is controlled using zone‑specific mold temperature controllers; core and cavity temperature differential is maintained within 2°C, minimizing warpage. For a typical container product, continuous production across three batches yields key dimension fluctuation of ≤0.02 mm.

  Batch color variation Real‑time closed‑loop color inspection systems automatically adjust colorant dosing to maintain color consistency across production runs.

  4.2 Intrinsic Viscosity (IV) Control

  IV is a critical parameter that measures PET’s molecular chain length and directly affects mechanical strength, pressure resistance, and blow molding behavior. Ansix Tech maintains IV drift within ±0.02 dL/g from baseline across every production batch, ensuring that stretch‑blow behavior remains consistent.

   

  IV monitoring is performed:

   

  On incoming resin – baseline IV value recorded per lot

   

  During production – periodic sampling to detect any deviation

   

  On finished preforms – verification of IV stability after processing

   

  4.3 Acetaldehyde (AA) Control

  For applications where taste and odor are critical, Ansix Tech maintains AA levels below 10 ppm for water‑grade applications, with tighter controls available for taste‑sensitive applications. AA is a byproduct of PET thermal degradation during processing; controlling melt temperature, residence time, and screw design minimizes AA generation while preserving preform quality.

   

  4.4 Visual Quality Standards

  Ansix Tech achieves and maintains:

   

  Transparent parts – No bubbles, flow lines, or gate blush

   

  High‑gloss surfaces – Surface roughness Ra ≤ 0.2 μm

   

  For printed/labeled applications – Deformation compensation is pre‑designed into the preform geometry, allowing print registration accuracy within ±0.1 mm

   

  5. Cost Control – The Most Competitive Advantage

  5.1 Material Cost Optimization

  For the 152mm wide‑mouth preform, Ansix Tech reduces material costs through:

   

  Hot runner systems – Eliminate cold runner waste entirely. In a typical preform mold, this reduces material consumption by 15–30% compared to cold runner systems.

   

  Lightweighting capability – Through Moldflow‑optimized wall thickness distribution, Ansix Tech can reduce preform weight by 2–5% without compromising final bottle performance. For high‑volume production (millions of preforms per year), this represents significant material savings.

   

  rPET blending – Process capabilities for up to 100% rPET allow customers to reduce raw material costs while meeting sustainability goals. Ansix Tech maintains processing parameters that preserve preform quality even at high rPET concentrations.

   

  5.2 Cycle Time Reduction → Increased Output per Machine Hour

  Cooling time is the dominant factor in the preform molding cycle, typically accounting for 40–60% of total cycle time. Ansix Tech’s optimized cooling system design reduces cooling time by 15–25% compared to conventional designs, directly translating to:

   

  Higher output per machine hour

   

  Lower energy consumption per preform

   

  Reduced manufacturing overhead per unit

   

  5.3 Process Efficiency Optimization

  The Taguchi method has demonstrated that optimized injection molding parameters can achieve warpage reduction of 4.75% and weight reduction of 2.05% under optimal settings. Ansix Tech applies similar design‑of‑experiments (DOE) methodologies to determine the optimal parameter combination for each preform configuration, maximizing efficiency while maintaining quality.

   

  5.4 Reduced Scrap and Rework

  Ansix Tech’s robust quality control systems and MES‑locked process parameters ensure first‑pass yield rates exceeding 98.5% for standard PET preform production. This means:

   

  Lower material waste

   

  Reduced energy consumption on scrapped parts

   

  Fewer production interruptions for process adjustment

   

  Lower rework and inspection labor costs

   

  6. Delivery Efficiency – Rapid Response, Reliable Execution

  Manufacturing Lead Times:

   

  Scope Standard Lead Time Express Option

  Mold manufacturing (new tool) 25–45 days 20 days (with compressed validation)

  Sample preforms (T0–T3) 2–3 weeks from mold completion N/A

  Mass production (first batch) Within 1 week of sample approval 48‑hour rush available

  Packaging and Delivery:

  Ansix Tech provides custom foam‑lined packaging for each mold shipment, with humidity control packs and comprehensive documentation. Preforms are packaged in:

   

  Anti‑static, dust‑proof PE bags

   

  Corrugated cartons with foam partition inserts to prevent surface damage

   

  Palletized for container loading (standard export packaging)

   

  Heat‑shrink film for moisture protection during ocean transit

   

  Global Logistics:

  With manufacturing bases in China and Vietnam, Ansix Tech serves customers worldwide. Standard ocean freight delivery to North America and Europe typically ranges 25–40 days; air freight options are available for urgent orders.

   

  7. Customer Value Summary – What Ansix Tech Delivers

  Customer Need Ansix Tech Capability Measurable Benefit

  Lower component cost Hot runner systems + lightweighting + cycle optimization + rPET capability 15–30% material savings; 15–25% cycle time reduction

  Faster time to market Express mold delivery (20 days); T0 samples in 2–3 weeks 30–50% shorter project timeline vs. industry average

  Quality reliability MES‑locked process parameters; real‑time closed‑loop control; CPK ≥1.33 First‑pass yield >98.5%; dimensional stability batch‑to‑batch

  Reduced supply chain risk Dual‑country manufacturing (China + Vietnam); 260 injection molding machines Production redundancy; surge capacity available

  Sustainability compliance rPET processing up to 100%; IV drift control; AA control Meet environmental targets without quality compromise

  8. Ansix Tech’s Industry Experience – 28 Years of Proven Reliability

  With over 28 years of manufacturing experience, Ansix Tech has established itself as a specialized manufacturer and toolmaker dedicated to the research, development, design, manufacturing, sales, and service of plastic molds and injection‑molded products. The company holds four production bases across China and Vietnam, operates 260 injection molding machines spanning 30 to 2,800 tons of clamping force, and serves a global customer base spanning the food packaging, cosmetic packaging, industrial chemical, and medical device industries.

   

  For the 152mm neck wide‑mouth bottle preform specifically, Ansix Tech leverages decades of accumulated knowledge in:

   

  Large‑diameter wide‑mouth preform design principles

   

  Cooling system optimization for thick‑walled preform geometries

   

  Gate and runner balance for large‑cavity molds

   

  Post‑molding handling systems that prevent surface damage

   

  The company’s comprehensive service offering extends from prototype design and manufacturing confirmation through to high‑volume production and assembly validation. Every project begins with a Design for Manufacturability (DFM) analysis, ensuring that potential weld lines, air traps, shrinkage issues, and demolding problems are identified and resolved before mold steel is cut.

   

  9. Value Engineering – Reducing Hard Cost Through Systematic Optimization

  Ansix Tech distinguishes itself through its systematic approach to cost reduction across three interconnected dimensions: material optimization, process efficiency, and supply chain integration.

   

  Material Cost Reduction Strategy:

  The single most effective lever for reducing preform cost is material consumption. Ansix Tech’s engineering team conducts detailed Moldflow analyses to optimize wall thickness distribution, ensuring that material is placed exactly where structural performance is required and reduced where excess material provides no functional benefit. For the 152mm wide‑mouth preform, this typically yields 2–5% weight reduction compared to conventionally designed preforms of the same neck finish and bottle capacity.

   

  Process Efficiency Gains:

  Cooling time is the longest segment of the injection molding cycle – often accounting for more than half of total cycle time. By optimizing cooling channel layout, Ansix Tech reduces cooling time by 15–25% for typical wide‑mouth preform configurations. This translates directly into increased output per machine hour and lower manufacturing overhead per unit. Additionally, the adoption of all‑electric injection molding machines reduces energy consumption by 30–40% compared to hydraulic machines, further lowering operating costs.

   

  rPET Capability as a Cost‑Saving Tool:

  As recycled PET (rPET) becomes increasingly available at lower cost points than virgin resin, Ansix Tech’s ability to process up to 100% rPET without compromising preform quality provides customers with a direct material cost reduction option. The company has developed proprietary processing protocols that maintain IV stability and prevent excessive AA generation even at high rPET concentrations, allowing customers to capture sustainability benefits and cost savings simultaneously.

   

  For detailed technical specifications, mold design consultation, or sample requests for the 152mm Neck Wide-Mouth Bottle Preform (120g / 145g), please contact Ansix Tech directly.

   

  About Ansix Tech: Ansix Tech is a specialized toolmaker and injection molding manufacturer with over 28 years of experience in plastic mold and product design, development, manufacturing, sales, and service. The company operates four manufacturing facilities in China and Vietnam, with 260 injection molding machines ranging from 30 tons to 2,800 tons of clamping force, serving global customers across the food packaging, cosmetic packaging, industrial chemical, and medical device industries.

   

   

   

   

   

  Ansix Tech Co Ltd

  If you have any plans related to 152mm Neck Wide-Mouth Bottle Preform, 120g  145g, with Handle and Cap , 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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