Silicone sheath:

Advantages: non-toxic to human body, good cushioning performance, high wear resistance, oil resistance, water resistance, good flexibility, comprehensive protection, and will not turn yellow.

It can be applied to two-color plastic coating mould and can be used to make waterproof sheath.

Inadequate: Slightly poor fit with the fuselage

TPU sheath:

Advantages: high abrasion resistance, high strength, outstanding cold resistance, oil resistance, water resistance, mold resistance, good flexibility

Insufficient: easy to deform and yellow