SI 7333 White/Black Flame retardant silicone adhesive
SI 7333 White/Black Flame retardant silicone adhesive
Product description
SI 7333 silicone adhesive is a fluid moisture absorption curing silica gel, after curing to form a flexible rubber body, the vast majority of materials have a good bonding and sealing performance, protect electronic products under harsh conditions in a stable state.
The elastomer of SI 7333 silicone adhesive after curing has the following characteristics:
ü One component, easy to use, short non-stick time
ü Excellent chemical resistance
ü Resistance to moisture, dirt and other atmospheric components
ü Reduces mechanical stress and tension caused by mechanical, thermal shock and vibration
ü Excellent electrical insulation and corona resistance
ü Excellent outdoor aging, service life of up to 20-30 years
ü Stable mechanical and electrical properties at -60-260 ° C
Fields of Application
ü Plastic metal housing seal; PCB board components, wiring harness fixed
ü Exquisite electronic parts, waterproof coating for electrical and communication equipment
ü Small modules, photoelectric display and circuit board, under 6mm thin layer potting, plugging
Various technical parameters before and after curing:
Test items | Test standard | Units | 7333 |
Before cured | |||
Color | Visual | --- | White/ Black |
Viscosity | GB/T 2794-2013 | 25℃, mPa·s | 8000 ± 2000 |
Density | GB/T 15223-1994 | 25℃, g/cm3 | 1.13-1.23 |
Tack-free Time | GB/T13477.5-2002 | 25℃, 55%RH,min | ≤10 |
After cured | |||
Hardness | GB/T 531-2008 | Shore A | 30-40 |
Thermal conductivity | GB/T 10297-1998 | W/m.K | 0.45 |
Elongation at break | GB/T 528-1998 | % | ≥150 |
Tensile strength | GB/T 528-2009 | Mpa | >1.0 |
Shear strength | GB/T 7124-2008 | Mpa, Fe/Fe | >0.6 |
Dielectric strength | GB/T 1695-2005 | kV/mm(25℃) | 20 |
Loss factor | GB/T 1693-2007 | (1MHz) (25℃) | 0.09 |
Dielectric constant | GB/T 1693-2007 | (1MHz) (25℃) | 2.9 |
Volume Resistance | GB/T 1692-92 | (DC500V) Ω· cm | ≥1.0*1014 |
All the above data were determined after 7 days of curing at 25℃ and 55%RH. The company is not responsible for the different data caused by different test conditions or product improvement.


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