XYSIL® 300 is a hydrophilic Fumed Silica with a specific surface area of 300m2/g, and it is synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis..

Characteristic:

  • High specific surface area
  • High purity
  • Aggregated structure
  • Submicron particle size
  • Low bulk density
  • Hydrophilic surface chemistry

Application:

  • HTV silicone rubber, liquid silicone rubber
  • Paints and coatings, ink, pigment
  • Unsaturated polyester resins
  • Adhesive & sealant

Functions:

  • Rheology and thixotropy control
  • Used as anti-settling, thickening, anti-sagging agent
  • Free flow and suspension
  • Reinforcement in HTV silicone rubber, liquid silicone rubber
  • Excellent transparency

Packing and Storage:

  • Packaged in multiple layer kraft paper
  • 10kg bags on pallet
  • Should be stored in the original packaging in dry
  • Protected from volatile substance
TDS & MSDS
Gallery
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Physico-chemical Data

Properties Typical Value Standardization
BET surface area [m2/g] 300 ± 25 GB/T10722
Loss on drying [%] < 1.5 GB/T1717
pH value 3.8 – 4.5 GB/T5211.3
SiO2 content ≥99.8 GB/T20020
Tamped density [g/L] 25 ~ 60 GB/T5211.14
Loss on ignition ≤ 2.5 GB/T20020
Sieve residue (45µm)(%) <0.05 GB/T5211.4
Carbon content [wt%] <0.2 GB/T20020