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Silopren™ LSR 2749
Silopren™ LSR 2749 is a 40A two-component, self-bonding liquid silicone rubber with a 40 Shore A hardness.
Silopren™ LSR 2749 is a self-bonding injection molding silicone rubber material that offers adhesion to polycarbonate (PC), polybutylene terephthalate (PBT), and copolyesters without using a primer and without adhering to the mold. Adequate bond strength is reached immediately upon demolding. This self-bonding property of Silopren™ LSR 2749 makes it a cost-effective solution for multicomponent injection molding or insert molding.
Specifications
Shore A hardness: 40 Tensile strength, MPa: 7 Elongation at break, %: 600 Tear strength, die B, kN/m: 40
Primary Chemistry: Liquid silicone rubber
Features & Benefits
Primerless adhesion to PC, PBT, and copolyesters 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
Problems Solved
Primer required for adhering liquid silicone to polycarbonate (PC), polybutylene terephthalate (PBT), and copolyester substrates Increased cost with the use of liquid silicones in injection molding and insert molding applications
Applications
Respiratory masks Sealing elements Mobile phone gaskets Membranes and diaphragms Connectors Handles and grips Spatulas Straps Bellows Vibration dampers Other soft–hard combinations
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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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