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Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® SR8255
SiSiB® SR8255

SiSiB® SR8255 is a 100% solid, silanol-functional methylphenyl silicone resin supplied in powder form. It is designed for use in high-performance, heat-resistant coatings and can be blended with organic resins to enhance thermal stability, weatherability, and electrical properties.

SiSiB® SR8255

Effects


  • Excellent heat resistance


  • Outstanding weatherability and UV resistance


  • High glass transition temperature


  • Excellent dielectric properties


  • Good compatibility with organic resins


  • Environmentally friendly, solvent-free solid resin


Physical Properties


Appearance

Solid powder / granule

Color

White to yellowish

Substituent Type

Phenyl, methyl

Solids Content (180°C, 1h, %)

Min.99

Heat Loss, 350°C, 4h, %

Max.5

Softening Point (°C)

70-90

Gelation Time (200°C, min)

10-60

These values are typical and not intended for specification purposes.

Application


  • SiSiB® SR8255 is widely used as a binder in high-temperature and weather-resistant coatings, offering excellent thermal and UV stability. It is suitable for use in powder coatings, industrial bake coatings, and protective finishes for electrical insulation and outdoor equipment.


  • Additionally, SiSiB® SR8255 can be blended with solvent-based silicone resins to reduce volatile organic content (VOC) or incorporated into solvent-based organic resins to enhance heat resistance and weatherability. This makes it an ideal choice for formulating advanced coatings in automotive, electrical, and industrial applications.

Packing and Storage


SiSiB® SR8255 is available in 20Kg pails and 50Kg drum.


SiSiB® SR8255 can crosslink or self-condense in the presence of moisture, making it essential to avoid moisture exposure before final application.


SiSiB® SR8255 Silicone Resin has a shelf life of 12 months from the date of manufacture when stored in its original, unopened containers at or below 0°C-40°C. After opening, containers should be tightly sealed to prevent contamination and moisture from entering the product.

Documents

DownloadSiSiB® SR8255 Technical Data Sheet
DownloadSiSiB® SR8255 Safety Data Sheet
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