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Silopren™ LSR 2740
Silopren™ LSR 2740 is a 40A two-component self-bonding liquid silicone rubber that requires primer-less adhesion and high-temperature stability for many end-use
Silopren™ LSR 2740 is a general-purpose self-bonding injection molding silicone rubber grade that offers adhesion to various metals and engineered plastics without using a primer and adhesion with the mold. Adequate bond strength is reached after a short post-cure or by longer storage at room temperature. The self-bonding property of two-component Silopren™ LSR 2740 makes it a cost-effective solution for multi-component injection molding or insert molding.
Specifications
Density: 1.12 g/cm³ Hardness/Durometer, Shore A: 40 Tensile strength, N/mm²: 9.5 Elongation at break, %: 700 Tear strength, N/mm: 15 Compression set (22 h at 120°C), %: 25
Primary Chemistry: Liquid silicone rubber
Features & Benefits
Primer-less adhesion to many substrates, such as stainless steel, aluminum, nylon, and co-polyesters No special mold treatment required No adhesion to the mold High-temperature stability Flexibility at lower temperatures Good dielectric and mechanical properties Easy to pigment with color pastes
Problems Solved
Requiring a primer for the adhesion of liquid silicone to metals and difficult substrates Liquid silicone residuals on the mold after processing Flexibility and pigmentation issues in liquid silicone resins, especially at low temperatures
Applications
Overmolding Sealing elements Automotive connectors Membranes Vibration dampening elements Machinery Consumer goods
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Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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