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S925

S925 Acid Resistant Silicone Sealant

S925 is a high performance silicone sealant for industrial application. It absorbs air moisture in natural environment and cures gradually from outside to inside. It is suitable for sealing in water medium environment.

Advantage

✅Neutral curing, no corrosion for base materials.
✅Acid and alkali resistance (within the range of PH1-13).
✅Resistant to organochlorine disinfectant (below 500ppm). 
✅Low temperature resistant of -40°C and high temperature resistant below 120°C.

Typical Performance

TDS for S925
ItemIndexTest standard
AppearanceBlack, white paste

Other colors can be

customized

DensityAbout 1.0g/CCTest at 23℃
Extrusion rate >400ml/minGB/T13477.3
Skin time 

5~10min

min

Finger method
HardnessAbout 28A

GB/T531.1

ISO37

GB/T13477.17

Curing conditions:

23±2℃, 50±5%RH

for 30days

Tensile strength>1.4MPa
Tensile modulus in 100%About 0.54MPa
Elongation at breakAbout 320%
Elastic recovery rate>90%
Service temperature-40℃~120℃Max: 180℃ (30min)

Main applications

Typical Applications

S925 has excellent bonding properties for enamel, glass, ceramics, PVC, FRP and other materials. It can be used for sealing various storage tanks, water tanks and pipelines.

Qualification

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