SQUARE® LIM1520-40A/B

Category: Silicone Rubber, LSR , Silicone Rubber, LSR
Manufacturer: Shenzhen SQUARE Silicone Co., Ltd.
Trademark: SQUARE®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: WB1m74_SQUARELIM152040AB.pdf
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Liquid silicone rubber material of low viscosity and pressure injection molding

Product Description
2-part liquid silicone rubber, which is suitable for injection molding with tracking resistance 1A 4.5 grade, mixing ratio of parts A:B=1:1, withstanding middle and high voltage, catalyzed by platinum. The appearance of A is transparent and B is grey.

Key Features
  • Injection molding
  • Low viscosty
  • High rebound
  • Rapid vulcanization
  • Excellent tracking resistance

At the temperature of 20°C and in the condition of air-proof, the shelf life is 5 days after mixing A and B, the shelf life will decrease with the increasing of the temperature.

Applications
  • Bushing
General Information
Features
  • Low viscosity
  • Fast curing
  • Track Resistance
Uses
  • Bushing
Processing Method
  • Liquid Injection Molding (LIM)
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.07g/cm³ASTM D792
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)40ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Strength 6.70MPaASTM D412
Tensile Elongation (Break)430%ASTM D412
Tear Strength 117.9kN/mASTM D624
ElectricalNominal ValueUnitTest Method
Volume Resistivity 1.0E+15ohms·cmIEC 60093
Dielectric Strength 26kV/mmIEC 60243-1
Dielectric Constant (50 Hz)2.80IEC 60250
Dissipation Factor (50 Hz)1.6E-3IEC 60250
ThermosetNominal ValueUnitTest Method
Thermoset Components
    Component a Mixing ratio by weight: 1.0
    Component B Mixing ratio by weight: 1.0
Pot Life (20°C)7200min
Shelf Life 52wk
Post Cure Time (200°C)4.0hr
Uncured PropertiesNominal ValueUnitTest Method
Color
    -- 2Clear/Transparent
    -- 3Grey
Solids Content 100%
Viscosity 55Pa·sDIN 53019
Curing Time (140°C)0.17hr
Cured PropertiesNominal ValueUnitTest Method
Tracking Resistance 1A4.5IEC 60587
Note Message
1 .B mould
2 .Part A
3 .Part B
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