SiSiB® HR5180 is a translucent, precipitated silica-filled silicone rubber designed for compression molding applications. It offers good physical and electrical properties, along with excellent aging resistance within a temperature range of -50°C to +200°C.
Complies with FDA & ROHS requirements
Good mechanical strength
Good electrical insulation properties
Excellent aging resistance
Value | Method | |
Appearance | Milk-white, translucent | |
Density (g/cm3) | 1.20-1.24 | ASTM D792 |
After Curing | ||
Hardness (Shore A) | 80+/-2 | ASTM D2240 |
Tensile Strength (MPa) | Min. 7.0 | ASTM D412 |
Elongation (%) | Min. 160 | ASTM D412 |
Tensile Set (%) | Max. 5.0 | ASTM D412 |
Tear Strength (KN/m) | Min. 18.0 | ASTM D624 |
Compression Set (180°C*22h) | Max. 30.0 | ASTM D395 |
Rebound Resilience (%) | Min. 45.0 | ASTM D2240 |
Recommended Curing: 175°C for 5 minutes
Curing Agent: 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
Recommended Dosage: 0.65 wt%
Note: These values are typical and are not intended for use as specifications.
Keypads & Seals: Durable buttons, O-rings, gaskets.
Industrial Components: Sealing elements, miscellaneous parts.
Electrical Parts: Insulators, connectors, and low-voltage components.
SiSiB® HR5180 is supplied in 20Kg box, with plastic bag inside.
In the unopened original container, SiSiB® HR5180 has a shelf life of one year in a dry and cool place.