Factory Price RTV Silicone Rubber for PCB
Product Description
Factory Price RTV Silicone Rubber for PCB
Description:
CEX-301G-2 RTV silicone rubber, it absorb the moisture in the air at room temperature curing neutral organic silicon sealing material, not heating curing. It for the vast majority of material, have good adhesive sealing performance, protect electronic products in harsh conditions.
Characteristics After Curing:
1. Avoid moisture, dirt and other atmospheric composition
2. Relieve mechanical, thermal shock and vibration of mechanical stress and tension.
3. Have excellent electrical insulating performance.
4. Outdoor aging, excellent service life up to 20-30 years
5. In the -60-260 °C it has stable mechanical and electrical properties
6. Fire resistance
Technical data:
| State |
Project |
Testing standards |
Unit |
Testing results |
| Before curing |
Color |
--- |
--- |
Gray |
| Viscosity |
GB/T 10247-2008 |
25ºC,mPa·S |
Liquid |
| Gravity |
GB/T 13354-92 |
25ºC,g/cm3 |
1.00±0.05 |
| Surface drying time |
GB/T134775-2002 |
23ºC,RH:50%,min |
1~10 |
| After curing |
Hardness |
GB/T 531.1-2008 |
Shore A |
35~45 |
| Coefficients of expansion |
GB/T 20673-2006 |
µm/(m,ºC) |
210 |
| Water absorption |
GB/T 8810-2005 |
24h,25ºC,% |
0.01~0.02 |
| Elongation at break |
GB/T 528-1998 |
% |
≥100 |
| Tensile Strength |
GB/T 528-1998 |
MPa |
≥1.5 |
| Shear strength |
GB 6328-86 |
Mpa-/ |
≥1.2 |
| Dielectric strength |
GB/T 1693-2007 |
Kv/mm(25ºC) |
≥20 |
| Volume resistance |
GB/T 1692-92 |
(DC500V),Ω· cm |
5×1014 |
Storage and transportation:
1. Avoid light, heat preservation, sealed. (can be used as a non-dangerous goods preservation and transport);
2. shelf life: 6 months(25°C).
Any questions, please feel free to contact us!
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