PET Preform Injection Molding Solutions

HuaShuo provides professional PET preform injection molding services for high-quality, food-grade, and customizable PET preforms. We specialize in precise injection molding, uniform wall thickness, and multi-cavity production to meet the demands of beverage, food, and industrial packaging. Our solutions ensure that every preform maintains consistency, durability, and accurate dimensions, ready for blow molding into bottles that reflect your brand identity and industry standards.

  • Material: 100% Food-Grade PET
  • Neck Size: 30/25mm (Customizable for Global Standards)
  • Weight Range: 12g – 44g (Optimized for Bottles & Jars)
  • Samples: Free Samples Available (Freight Collect)

What is PET Preform Injection Molding?

PET preform injection molding is a high-precision manufacturing process used to produce PET bottle preforms, the semi-finished tubes that are later blow molded into finished bottles. This process is widely used in the production of beverage bottles, edible oil containers, cosmetic packaging, pharmaceutical bottles, and other plastic containers.

During the PET preform injection molding process, molten PET material is injected into precision molds under controlled temperature and pressure to ensure consistent weight, neck accuracy, and wall thickness. The finished PET preforms offer excellent transparency, strength, and sealing performance, making them ideal for high-speed bottle manufacturing.

Modern PET preform injection molding systems provide high production capacity, stable operation, low defect rates, and efficient energy consumption, helping manufacturers achieve reliable and cost-effective PET bottle production.

PET Preform Injection Molding Products We Offer

Our PET preform injection molding solutions are designed for a wide range of packaging applications, supporting different bottle capacities, neck finishes, and production requirements. We provide customized PET preform molds and high-speed systems to help manufacturers achieve stable, efficient, and large-scale bottle production.

Beverage Bottle Preform Molds

Beverage Bottle Preform Molds

Designed for carbonated drinks, juice, and tea bottles, supporting capacities from 250ml to 2L with common neck sizes such as 28mm PCO and customized bottle designs.

Water Bottle Preform Molds

Water Bottle Preform Molds

Suitable for producing pure water and mineral water bottles, available for 200ml–5L bottles with lightweight preform designs and customizable neck specifications.

Oil Bottle Preform Molds

Oil Bottle Preform Molds

Engineered for edible oil packaging applications, supporting 500ml–5L oil bottles with strong neck structures, leak-proof performance, and custom bottle shapes.

Wide Mouth PET Preforms

Wide Mouth PET Preforms

Ideal for candy jars, food containers, and storage packaging, featuring large neck diameters, wide-mouth designs, and customizable capacities and thread standards.

Cosmetic Bottle Preforms

Cosmetic Bottle Preforms

Used for shampoo, lotion, and skincare packaging, supporting various bottle sizes, premium surface finishes, and customized neck and bottle appearance requirements.

Pharmaceutical PET Preforms

Pharmaceutical PET Preforms

Designed for medicine and healthcare packaging applications with high hygiene standards, precise neck dimensions, and support for tamper-evident bottle designs.

Multi-Cavity PET Preform Molds

Multi-Cavity PET Preform Molds

High-efficiency multi-cavity mold systems designed for mass production, available in different cavity configurations to increase output while maintaining stable preform consistency.

High-Speed PET Preform Systems

High-Speed PET Preform Systems

Integrated high-speed PET preform injection molding systems for large-scale bottle manufacturing, offering fast cycle times, stable operation, and fully customizable production solutions.




Specifications

Our PET preform mold series offers scalable cavitation from 2 to 48 cavities, engineered to balance high-speed output with structural integrity. For large-format 55mm necks (720g), we provide heavy-duty 2-4-cavity solutions, while our high-efficiency 28mm series achieves cycle times as low as 18 seconds. With mold weights ranging up to 2,286kg, each system is precision-machined to ensure thermal stability and consistent part quality across all cavities. Contact the Huashuo team to match these technical parameters with your specific machine requirements.

CavitationPreform Weight (g)Neck Size (mm)Mold Height (mm)Mold Width (mm)Mold Thickness (mm)Mold Weight (kg)Cycle Time (sec)
2 (1*2)72055470300608330125
4 (2*2)72055490480730440130
8 (2*4)162845035041047518
12 (2*6)162860035041562518
16 (2*8)212873038044569022
24 (3*8)2828770460457107028
32 (4*8)3628810590515159028
48 (4*12)36281070590535228630

Product Display

Our Advantages

Huashuo Plastic specializes in high-precision PET preform injection molds with advanced mold design, intelligent cooling systems, and strict quality control processes. By combining precision machining, optimized hot runner technology, and long-life DLC coating solutions, we help customers achieve faster cycle times, stable preform quality, and longer mold service life.

Optimized Cooling Design

Advanced spiral cooling channels improve cooling efficiency, shorten cycle times, and ensure stable preform quality.

High-Precision Manufacturing

Equipped with advanced CNC and grinding machines, achieving precision up to 0.002 mm for reliable mold performance.

Long-Life DLC Coating

DLC coating improves wear resistance, reduces friction, and extends mold lifespan up to 8 million cycles.

Stable Hot Runner System

Optimized hot runner design ensures balanced melt flow, stable temperature control, and leak-free long-term operation.

Our Capacities

Huashuo specializes in the R&D of high-precision multi-cavity injection molds, offering flexible customization options ranging from 18 to 48 cavities, with full compatibility with leading international bottle neck standards such as PCO1881, 1810, and 30/25. Through the use of needle-valve hot runners and precision cooling systems, we strictly control weight deviation between cavities to within ±0.05g, ensuring ultimate stability for high-volume production. Please contact the Huashuo team to obtain customized high-output and efficiency-enhancing solutions tailored to your production line.

Mold Cavity CountNeck Finish StandardsMarket ApplicationEngineering Focus (Differentiation)
18 Cavities48mm, 38mm, 30/25, 20/25, PCO1881, 1810Large Format (Oil/Juice), Medical & Daily ChemicalsHigh-Torque Tolerance: Optimized for thicker walls and high-viscosity resins.
24 Cavities48mm, 38mm, 30/25, 29/25, PCO1881, 1810Mid-Scale CSD, Beverages & Specialized Food PackagingFlow Balance Optimization: Precision manifold design for multi-resin compatibility.
32 Cavities48mm, 38mm, 30/25, 29/25, PCO1881, 1810High-Volume Water & Carbonated Soft Drink (CSD) LinesCycle Time Compression: Advanced conformal cooling to maximize output per hour.
48 Cavities48mm, 38mm, 30/25, 29/25, PCO1881, 1810Mass-Market Beverage Global BrandsUltra-Precision Synchronicity: Minimal cavity-to-cavity weight deviation (<0.05g).

Materials Types

Different PET preform applications require different material solutions based on bottle performance, transparency, heat resistance, strength, and production requirements. Common materials include PET, PP, PE, PC, and other customized resin options for water bottles, beverage packaging, edible oil containers, cosmetics, and pharmaceutical packaging.

Huashuo Plastic can provide customized PET preform mold solutions according to your material type, bottle design, cavity requirements, and production capacity needs, helping customers achieve stable molding performance, higher efficiency, and long-term production reliability.

MaterialKey PropertiesAdvantagesDisadvantagesSuitable Preform TypesTypical Applications
PETLightweight, strong, transparent, food-safeHigh clarity, good barrier, recyclableSensitive to high temperature during processingStandard bottles, beverage preforms, cosmetic preformsSoft drinks, water, juices, edible oils
PPLightweight, chemical-resistantCheap, heat-resistantLower transparency, brittle under coldSpecialized caps or closuresFood packaging, condiments
HDPERigid, chemical-resistantImpact-resistant, good sealingOpaque, less glossyLarge bottles or wide-mouth preformsHousehold chemicals, cleaning products
Specialty PET blendsImproved barrier or UV protectionTailored for specific requirementsHigher cost, specialized moldingBeverage preforms requiring shelf-life extensionPremium juices, alcoholic drinks

Applications of PET Preform Injection Molding

PET preform injection molding is widely used across multiple packaging industries due to its high efficiency, lightweight performance, excellent transparency, and stable sealing properties. PET preforms can be customized for different bottle capacities, neck finishes, and packaging requirements to meet large-scale production demands.

Beverage Industry

Beverage Industry

PET preforms are widely used for carbonated drinks, juice, tea, and dairy beverage bottles, offering high strength, clarity, and reliable sealing performance.

Bottled Water Packaging_

Bottled Water Packaging

Ideal for mineral water and purified water bottles, PET preforms support lightweight bottle designs and high-speed mass production.

Edible Oil Packaging

Edible Oil Packaging

Used for cooking oil and food-grade liquid packaging, PET preforms provide excellent durability, leak resistance, and customizable bottle capacities.

Cosmetics Packaging

Cosmetics Packaging

Suitable for shampoo, lotion, skincare, and beauty product bottles with customizable bottle shapes, neck finishes, and premium appearance requirements.

Pharmaceutical Packaging

Pharmaceutical Packaging

Applied in medicine and healthcare bottle production where precise neck dimensions, hygienic standards, and tamper-evident packaging are essential.

Daily Chemical Packaging

Daily Chemical Packaging

Commonly used for detergent, cleaning liquid, and household chemical containers, supporting durable bottle structures and customized packaging solutions.

FAQS

Everything You Need to Know About Our PET Preform Injection Molding

Can HuaShuo produce custom shapes and colors?

Yes, we provide shape, size, and color customization.

What materials are used for PET preforms?

High-quality, food-grade PET is used for durability and clarity.

Which industries use PET preforms?

Beverage, food, household, and industrial packaging.

How precise are HuaShuo PET preforms?

Injection molding ensures high dimensional accuracy and uniform wall thickness.

Are PET preforms safe for food and beverages?

Yes, all preforms meet international food safety standards.

What material is used for PET preforms?

PET preforms are mainly made from food-grade polyethylene terephthalate (PET) resin, known for its high transparency, strength, lightweight properties, and excellent barrier performance for beverage, water, oil, and cosmetic packaging.

Can rPET be used in injection molding?

Yes. Recycled PET (rPET) can be used in PET preform injection molding when processed with proper drying and material control. Many manufacturers use rPET to reduce material costs and support sustainable bottle production.

What are the differences between PET and PP preforms?

PET preforms offer better transparency, rigidity, and gas barrier performance, making them ideal for beverage and water bottles. PP preforms provide higher heat resistance and chemical stability, commonly used for hot-fill, pharmaceutical, and specialty packaging applications.

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