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Product Description
High Resilience Low Viscosity Liquid Silicone Rubber For Waterproof Silicone Keyboard Cover
Long Life Liquid Silicone Rubber has the characteristics of high strength,good resilience,small deoformation value,yellowing resistance and aging resistance and meets USA FAD and European ROSHS and REACH standards. It is suitable for the production of orinary and long life button parts.
Model | Viscosity（cps） | Hardness（Shore A） | Density (g/cm³) | Resilience (%) | Tensile strength (MPa) | Elogation at break (%) | Tear strength (KN/m) | Tensile set(%） | Line shrinkage (%) |
| Test Standard | DIN53019 | GB/T531.1 | GB/T533-2008 | GB/T1681- 2009 | GB/T528 | GB/T528 | GB/T529 | GB/T528 | CGB-T14235.4 |
| YR250-30Z AB | 300 | 32 | 1.1 | 70 | 400 | 8.5 | 15 | 1.7 | 2.2 |
| YR250-30Y AB | 500 | 40 | 1.1 | 75 | 450 | 10 | 18 | 0.8 | 2.1 |
| YR250-30T AB | 550 | 50 | 1.11 | 70 | 400 | 15 | 12 | 0.8 | 2.3 |
| YR250-45Z AB | 600 | 60 | 1.12 | 65 | 350 | 15 | 20 | 0.8 | 2.3 |
| YR250-25M AB | 800 | 67 | 1.12 | 65 | 250 | 15 | 2.5 | 0.8 | 2.5 |
| Remark | Vulcanization conditions：A/B is evenly mixed，Mold:140mm×120mm×2mm,175℃×5min compression molding.Assistance with specifications are available by contacting our engineers. | ||||||||
Features:
Fast curing speed, high efficient.
The hitting life(times) according to product requirements.
Excellent rebound resilience.
Excellent heat stability and weather fastness (used temperature: -60℃～200℃).
Excellent mold release property.
Excellent mobility and injection.
Prodcut Application
Keypad and O/A Rolls,O Ringseal,Silicone seal etc.
Certification
RoHS, FDA, MSDS, SGS, REACH, PAHS, ISO9001:2016, etc.
Colors:
Transparency and milk white(standard colors)
Other wide variety of colors (customized)
Package:
20KG,25KG,200KG/ drums or Customized.
How to use
* Liquid silicone rubber is a two-component liquid silica gel material, which is divided into component A and component B. The mixer (injection molding machine) fully mixes component A and component B in an accurate 10:1 ratio.
* Due to the needs of product design, it will be equipped with the operation of color pump and color metering part. After the injection machine,It will be hydraulically extruded from two pipes a and B, it will be merged into a pipe AB and mixed evenly with each other for injection.
Storage and Caution
1.Shelf life: 12 Months.
2.Store in a cool dry place out of direct sunlight.
3.Do not contact with any organic compounds such as N, P, s, Sn, Pb, RG, Bi, as plasma compounds when operating the addition Liquid silicone rubber, otherwise it will cause the curing agent poisoning, cause the curing agent poisoning, and cause the phenomenon that the silicone will not cure.
