What is Self-Adhesive PC Liquid Silicone Rubber?
1. Definition
Self-adhesive PC liquid silicone rubber, also known as "selectively self-adhesive liquid silicone rubber" or "PC self-bonding liquid silicone," is a type of two-component addition-cure liquid silicone rubber. It can bond with various substrates during the heat curing process without the need for a primer.
2. Features
Two-Component System:
Comprising A and B components, typically as semi-transparent liquids.
Primer-Free Bonding:
Can bond directly with different substrates, simplifying the production process.
Superior Mechanical and Aging Properties:
Offers excellent durability and resistance to aging.
Low-Temperature Curing:
Cures efficiently without the need for secondary curing, improving production efficiency.
Mold Release Capability:
Facilitates production operations due to its compatibility with metal molds.
3. Applications
Self-adhesive PC liquid silicone rubber is widely used across various industries due to its unique properties:
Electronics and Mobile Devices:
Applied in the manufacturing of PC phone cases and electronic products, providing excellent bonding and durability for integrated PC plastic components.
Medical Industry:
Utilized in products such as respiratory masks, valves, diaphragms, seals, and other medical devices. It offers outstanding bonding with PC substrates without requiring a primer, is free from Bisphenol A (BPA), and complies with ISO10993 biocompatibility standards, ensuring the safety and reliability of medical products.
Wearable Devices:
Used in the production of components for wearable devices, delivering a comfortable user experience and robust bonding performance.
Automotive and Industrial Applications:
Suitable for manufacturing various seals, connectors, and other components in automotive and industrial fields, offering excellent weather resistance and aging durability.

