隔热帽作用 Functions of Insulation Caps:

▲ 隔断热嘴与模具的接触，减少热损失。

Blocking-up the contact between nozzle

head and mold for heat-loss reduction.

▲ 喷嘴头部无滞料，利于换色。

No Redundant Resin in the area of nozzle

head, be beneficial to color change.