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12-Cavity PET Preform Injection Mould for bottles

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12-Cavity PET Preform Injection Mould for bottles

Name: 12Cavity PET Preform Injection Mould for bottles
Brand: ALLWIN MOULD
Price: 1 USD

Temperatureresistance : Up to 250°C depending on material

Certification : ISO 9001: 2015

Coloroptions : Customizable

Delivery Time : 5-8 weeks

Surface Treatment : Polishing, Texture

Moldingprocess : Injection Molding

Cavity : Customizable

Place of Origin : SHENZHEN CHINA

Gate Type : Pin valve gate

Qualitystandards : ISO 9001, ISO14001 compliant

Packaging Details : WOODEN CASE

Mold Base : P20

Mould Material : H13

Payment Terms : T/T

Tolerance : ±0.01 mm

MOQ : 1 SET

Shaping Mode : PET preform Injection Mould

Design Software : UG

Brand Name : ALLWIN MOULD

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12-Cavity PET Preform Injection Mould

Product Overview

The plate is equipped with 12 independent stainless steel cavity inserts for forming the outer contour, neck thread and shoulder of PET bottle blanks. Each insert has dedicated cooling circuit holes and positioning bolt holes. Multiple blue & orange cooling water pipes are connected to separate spiral cooling channels inside each cavity to control PET crystallization and transparency.

✅ Independent Detachable Stainless Steel Cavity Inserts

Cavity insert material: S136H / STAVAX high polish stainless steel, hardness 42–48 HRC, nitrided anti-rust treatment
Each cavity is a separate interchangeable insert, convenient for single cavity maintenance, replacement and size modification
Inner cavity mirror polished to Ra ≤0.02μm, eliminate haze, silver streaks and flow lines for crystal clear PET preforms

✅ Dual Column Balanced 12-Cavity Layout
2×6 symmetrical vertical cavity layout with optimized hot runner manifold system, equal melt flow distance to every cavity, ensuring consistent preform weight, wall thickness and neck thread precision across all 12 cavities.

✅ Independent Spiral Conformal Cooling Per Cavity
Every single cavity insert is built with full surrounding spiral water cooling channels, separated inlet & outlet circuits. Fast heat exchange shortens injection cycle time and effectively prevents PET material crystallization, white fog and uneven wall thickness defects on bottle shoulder & neck areas.

✅ Precision Thread & Neck Forming Structure
Each cavity insert integrates precise bottle mouth thread forming ring, tight tolerance control to guarantee perfect leak-proof matching with standard plastic caps after blow molding. Standard neck sizes 28mm, 30mm, 38mm, 48mm customizable.

✅ Heavy Rigidity Food-Grade Mould Base
Thickened high-rigidity 718H pre-hardened steel mould base, resistant to high PET injection pressure long-term continuous production. All contact steel meets food contact safety standards.

Full Technical Specifications

Item	Standard Specification
Mould Name	12-Cavity PET Bottle Preform Injection Mould
Cavity Layout	2 Column × 6 Rows (12 cavities total)
Main Material	Virgin Bottle-Grade PET Resin
Runner System	Hot Runner Manifold (Cold runner optional for small batch)
Cavity Steel	S136H / STAVAX Stainless Steel
Mould Service Life	800,000 ~ 1,200,000 shots
Applicable Machine	260T–380T Horizontal PET Special Injection Machine
Cooling Design	Independent spiral cooling circuit per cavity insert
Surface Finish	Mirror polishing Ra ≤0.02μm inside cavity

Competitive Advantages

Interchangeable single cavity inserts reduce maintenance cost and downtime
Balanced hot runner design ensures uniform preform weight deviation ≤±0.02g
Independent spiral cooling greatly improve production efficiency and transparent surface quality
Professional PET mould design experience to solve common defects: crystallization, shrinkage, neck deformation
ISO certified workshop, full dimensional inspection via CMM before delivery

Application Scope of Finished Preforms

Mineral water, carbonated soft drink bottle preforms
Fruit juice, milk, edible oil PET bottle blanks
Cosmetic, skincare, personal care transparent packaging preforms
Pharmaceutical & daily chemical plastic bottle preforms

One-Stop Mould Service Process

DFM professional PET preform analysis (crystallization, wall thickness, flow balance)
Full UG 3D mould design + 2D engineering drawing & BOM output
CNC, Wire EDM, Sinker EDM precision machining + mirror polishing
Mould assembly, fitting, on-machine trial & preform weight/thickness testing
Matching blow molding test support, mass injection technical guidance
Lifetime spare parts supply & overseas remote maintenance support

Product Tags:

Bottle PET Preform Mould

PET Preform Injection Mould

12-Cavity PET Preform Injection Mould for bottles Images

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