Silicone rubber material for the silicone buttons 7151-40, 50, 60, 70
Details
Silicone rubber material for the silicone buttons 7151-40, 50, 60, 70
Item | 7151-40 | 7151-50 | 7151-60 | 7151-70 |
Product | Long performance life buttons |
Products feature | Long performance life, good resilience, high transparency, hit 20 million times tap. |
Special performance | hit 8million times rebound loss：8.0% press set：18.0% Hysteresis loss：20.0% （Above is limited to the company key results） |
Appearance | transparent |
Hardness (HA) | 40 | 50 | 60 | 67 |
Density (g/cm³) | 1.10 | 1.11 | 1.13 | 1.15 |
Tensile strength (Mpa) | 8.0 | 8.5 | 9.0 | 8.5 |
Elongation (%) | 600 | 450 | 400 | 200 |
Tear strength (N/mm) | 25.0 | 25.0 | 25.0 | 20.0 |
Linear shrinkage (%) | 3.3 | 3.3 | 3.3 | 3.2 |
Notes:
- Items containing "*" represent the secondary vulcanization data; Others represent first vulcanization data; “Y” for the liquid glue
- Hardness containing “C” represent ASKER C Others represent Shore A
- Tear mark: A cut mouth with crescent type cutter testing; C - domestic orthogonal cutting test; Not marked for JISK type B
- Vulcanizing agent: 2,5-bis[tert-butylperoxy]-2,5-dimethylhexane; Liquid adhesive curing conditions: 105℃×15min
