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{"title":"Long Neck PET Bottle Preform & Specialized Injection Mould","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/b9\/63a54c7fa7332c4708d12c10d352-200x200-1\/long_neck_pet_bottle_preform_26_specialized_injection_mould.jpg","attrs":{"Certification":"ISO 9001: 2015","Temperatureresistance":"Up to 250\u00b0C depending on material","Packaging Details":"WOODEN CASE","Gate Type":"Pin valve gate"}}
{"title":"Injection Molding Multi Cavity PET Preform Injection Mould Temperature","imgUrl":"https:\/\/img.chinax.com\/nimg\/c4\/f1\/2b9e950d45ce01d2454541da9319-200x200-1\/injection_molding_multi_cavity_pet_preform_injection_mould_temperature_resistance_up_to_250_degrees_celsius_ideal_for_manufacturin.jpg","attrs":{"Certification":"ISO 9001: 2015","Temperatureresistance":"Up to 250\u00b0C depending on material","Packaging Details":"WOODEN CASE","Gate Type":"Pin valve gate"}}
{"title":"PET Bottle Preform & Specialized Injection Mould Multi-Cavity","imgUrl":"https:\/\/img.chinax.com\/nimg\/88\/61\/1264114f25a47266730f3969bbf4-200x200-1\/pet_bottle_preform_26_specialized_injection_mould_multi_cavity.jpg","attrs":{"Temperatureresistance":"Up to 250\u00b0C depending on material","Certification":"ISO 9001: 2015","Coloroptions":"Customizable","Delivery Time":"5-8 weeks"}}
{"title":"12-Cavity Injection PET Preform Mould for plastic bottles","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/77\/8951eca325349b2a82511fecd35a-200x200-1\/12_cavity_injection_pet_preform_mould_for_plastic_bottles.jpg","attrs":{"Certification":"ISO 9001: 2015","Temperatureresistance":"Up to 250\u00b0C depending on material","Packaging Details":"WOODEN CASE","Gate Type":"Pin valve gate"}}
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.
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
