Silopren® LSR 2630

Category: Silicone Rubber, LSR , Silicone Rubber, LSR
Manufacturer: Momentive Performance Materials Inc.
Trademark: Silopren®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: 680d5q_Silopren-LSR-2630.pdf
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Message
Silopren LSR 2630 is a two-component liquid silicone rubber for injection molding processes. In comparison to Silopren LSR 2030, Silopren LSR 2630 shows a lower viscosity, improved tear resistance and a higher reactivity. Therefore, it is also possible to reduce the vulcanization temperature while maintaining a standard crosslinking rate. The increased reactivity does not affect the properties of the vulcanizate.

Key Features and Benefits
Vulcanizates of Silopren LSR 2630 are typically distinguished by the following properties:
  • High reactivity, lower viscosity, shorter cycle time
  • Excellent thermal stability
  • Biocompatible
  • Sterilizable with ethylene oxide, steam and gamma radiation
  • High stability and flexibility at low temperatures
  • Good rubber-like properties, high tear resistance
  • Long service life at dynamic stress
  • High stability to ozone and ultraviolet light
  • Outstanding resistance to aging
  • Excellent dielectric behavior over a wide range of temperatures
  • Not readily combustible, does not melt or drip
  • Easily pigmentable with LSR color pastes
  • KTW approved

Potential Applications
Because of its outstanding properties, Silopren LSR 2630 is an excellent candidate to consider for the following elastomeric articles:
  • Sealing elements
  • O-rings
  • Stoppers
  • Keypads
  • Pacifiers
  • Baby teats
  • Respiratory devices
  • Switch covers
  • Swimming caps
  • Vibration dampers
  • Air vent flaps
  • Cable connectors
  • Catheters
  • Parts for medical technical equipment s.o.
General Information
Features
  • Biocompatible
  • Ethylene Oxide Sterilizable
  • Good Colorability
  • Good Stability
  • Good Tear Strength
  • Good Thermal Stability
  • Good UV Resistance
  • High Reactivity
  • Low Temperature Flexibility
  • Ozone Resistant
  • Radiation Sterilizable
  • Steam Sterilizable
  • Vibration Damping
Uses
  • Connectors
  • Medical/Healthcare Applications
  • Pacifiers
  • Seals
Agency Ratings
  • BfR Food Contact, Unspecified Rating
  • DVGW W270
  • FDA 21 CFR 177.2600
  • ISO 10993
  • KTW Unspecified Rating
  • USP Class VI
  • WRAS Unspecified Rating
Forms
  • Liquid
Processing Method
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Density 1.10g/cm³DIN 53479
ElastomersNominal ValueUnitTest Method
Tensile Strength 8.00MPaDIN 53504
Tensile Elongation (Break)700%DIN 53504
Tear Strength 135.0kN/mASTM D624
Compression Set 15%ISO 815
ThermosetNominal ValueUnitTest Method
Thermoset Components
    Part A Mix Ratio by Weight: 1.0
    Part B Mix Ratio by Weight: 1.0
Post Cure Time (200°C)4.0hr
Additional InformationNominal ValueUnitTest Method
Vulcanization (175°C)10.0min
Uncured PropertiesNominal ValueUnitTest Method
Color
    -- 2Translucent
    -- 3Translucent
Viscosity DIN 53018
    20°C 4300Pa·s
    20°C 5300Pa·s
Pot Life (20°C)4300min
Note Message
1 .Die B
2 .Part B
3 .Part A
4 .Part B
5 .Part A
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