Silopren® LSR 2050

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: NTti8v_Silopren-LSR-2050.pdf
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Message
Silopren LSR 2050 is a two-component liquid silicone rubber for injection molding processes. Because of its excellent processing properties it can be considered for use in a wide range of applications.

Key Features and Benefits
Vulcanizates consisting of Silopren LSR 2050 typically are distinguished by the following properties:
  • High thermal stability
  • Excellent stability and flexibility at low temperatures
  • Excellent biocompatibility
  • Sterilizable with ethylene oxide, steam and gamma radiation
  • Good rubber-like properties
  • 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

Potential Applications
Because of its outstanding properties, Silopren LSR 2050 is an excellent candidate to consider for use in the following elastomeric articles:
  • Sealing elements
  • O-rings
  • Stoppers
  • Diaphragms
  • Keypads
  • Bellows
  • Catheters
  • Pacifiers
  • Baby teats
  • Respiratory devices
  • Diving masks
  • Nose pads
  • Vibration dampers
  • Air vent flaps
  • Switch covers
  • Pressure cooker parts
  • Cable connectors
  • ... and many more
General Information
Features
  • Biocompatible
  • Ethylene Oxide Sterilizable
  • Good Colorability
  • Good Processability
  • Good Stability
  • Good Thermal Stability
  • Good UV Resistance
  • Low Temperature Flexibility
  • Ozone Resistant
  • Radiation Sterilizable
  • Steam Sterilizable
  • Vibration Damping
Uses
  • Connectors
  • Diaphragms
  • 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
UL File Number
  • E205753
Forms
  • Liquid
Processing Method
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Density 1.12g/cm³DIN 53479
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)51DIN 53505
ElastomersNominal ValueUnitTest Method
Tensile Strength 10.0MPaDIN 53504
Tensile Elongation (Break)600%DIN 53504
Tear Strength 135.0kN/mASTM D624
Compression Set (175°C, 22 hr)25%ISO 815
FlammabilityNominal ValueTest Method
Flame Rating HBUL 94
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 53019
    20°C 4600Pa·s
    20°C 5600Pa·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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