Yingtai Precision Technology Co., Ltd.
17722437688

What is the purpose of wrapping liquid silicone on a metal shell?

Source:Author:admin Addtime:2025-08-28 09:33:54

The function of liquid silicone packaging hardware (why wrap silicone on metal?)

This process combines the advantages of two materials to achieve the effect of "1+1>2":

Sealing and waterproofing: one of the core functions. The excellent elasticity of silicone can form a seal, which is widely used in components that require dust, water (even submersible grade), and air tightness. For example, the sensor area on the back of a smartwatch.

Insulation and protection: Metal is a conductor, while silicone is an excellent insulator. After being coated with silicone, it can prevent current leakage and short circuit, protect metal parts from moisture, corrosive chemicals, etc., and also protect users from electric shock.

Improvement in Touch and User Experience: Metal typically feels cold, hard, and smooth. After being covered with a layer of soft silicone, it can provide a warm, soft, skin friendly, and non slip touch. This is very important in consumer electronics (such as phone cases, handwriting pens), wearable devices, and kitchenware handles.

Shock absorption and buffering: Silicone can effectively absorb impact and vibration, protecting the internal metal structures or electronic components with precision. For example, shock absorbers, cushioning pads, etc.

Function integration: Simplify the product assembly process. Through a single injection molding process, functional components such as sealing rings, buttons, and handles are directly integrated with the metal substrate, eliminating the need for subsequent assembly of sealing rings, reducing the number of parts, and improving product reliability and consistency.

Aesthetics and Design: It can achieve a variety of colors, transparency (such as transparent windows on medical sensors), and texture effects, enhancing the freedom of product appearance design.