Name

Combination A

Combination B

Combination C

Combination D

Core Material

38Cr

S136 (HRC 44-48)

S136 (HRC 44-48)

S136 (HRC 44-48)

Cavity Material

38Cr

S136 (HRC 42-46)

S136 (HRC 42-46)

S136 (HRC 42-46)

Neck Material

38Cr

S136 (HRC 48-52)

S136 (HRC 48-52)

S136 (HRC 48-52)

Mould Base Material

#45 steel

P20 (HRC 28-32)

P20 (HRC 28-32)

P20 (HRC 28-32)

Mould structure

Normal

Normal

Self Lock

Self Lock

Runner

Hot Runner

Preform Tail Type

Short/Long Tail

Short/Long Tail

Short/Long Tail

Valve gate

Surface Treatment

Polish and Chroming

Polish

Polish

Polish

Cavity

≤24 cavity

≤24 cavity

≤72 cavity

≤72 cavity

Warranty

0.8 Million Shots

1 Million Shots

3 Million Shots

3 Million Shots

Combination A price cheapest,suitable for small project and produce preform for own factory.

Combination B adopt S136 material,prolong the mould life time,and price only increase a little,the most cost-effective.

Combination C adopt self lock structure,every cavity is changable,prolong mould life time and raise product quality.

Combination D is best quality,suitable for professional preform supplier.