12-Cavity PET Preform Injection Mould for bottles
Price:
Negotiable
MOQ:
1 SET
Delivery Time:
5-8 weeks
Brand:
ALLWIN MOULD
Product Description
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.
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.
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.
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.
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
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ALLWIN PRECISION MOULD CO.,LTD
Location
Ruyifa Industrial Zone NO.108, XIANGXIXINWEI, SONGYUANXIA GUANHU STREET LONGHUA DISTRICT
Contact Person
Julie Wen