Silopren™ LSR 2740 is a 40A two component self bonding liquid silicone rubber.
Silopren™ LSR 2740 is a general purpose self bonding injection molding silicone rubber grade that offers adhesion to a variety of metals and engineered plastics without the use of a primer and without adhesion to the mold. Adequate bond strength is reached after a short post cure or by longer storage at room temperature. The self bonding property of LSR 2740 8040 makes it a cost effective solution for multi component injection molding or insert molding.
Density: 1.12 g/cm³
Hardness, 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
Primer less adhesion to many substrates
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
Overmolding
Sealing elements
Automotive connectors
Membranes
Vibration dampening elements
Momentive offers a range of LSR products that enable the production of a broad range of disposable and reusable medical devices and supplies. It meets regulatory compliance, biocompatibility, and withstands repeated sterilization processes.
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