Silopren™ LSR 2640 is a two component 40A liquid silicone rubber with low viscosity, fast cure and high tear.
Silopren™ LSR 2640 is a two component liquid silicone rubber used to injection mold parts. In addition to other properties of the LSR 2040, it has a lower viscosity, faster reactivity and hence a shorter cycle time.
Density: 1.12 g/cm³
Shore A hardness: 42
Tensile strength, N/mm²: 8.0
Elongation at break, %: 600
Tear strength, N/mm: 40
Compression set, %: 25
Primary Chemistry: Liquid silicone rubber
High reactivity
Lower viscosity
Shorter cycle time
High stability and flexibility at lower temperatures
Stability to ozone and UV light
Easily pigmentable
Biocompatible
Long production cycles due to the slow cure of liquid silicone rubbers
Insufficient viscosity and low hardness of LSR products
Limited stability and resistance to UV light and high-temperatures
Sealing elements
O-rings
Stoppers
Keypads
Pacifiers
Baby teats
Respiratory devices
Switch covers
Swimming caps
Vibration dampers
Air vent flaps
Cable connectors
Catheters
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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