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7 products
SEMISIL
SEMISIL 150 Fumed Silica (BET 150 m²/g, Hydrophilic)
CAS 112945-52-5
Moderate thixotropy grade — easy to incorporate with lower viscosity impact
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SEMISILSEMISIL 200 Fumed Silica (BET 200 m²/g, Hydrophilic)
CAS 112945-52-5
Industry-standard 200 m²/g hydrophilic grade for universal thixotropic performance
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SEMISILSEMISIL 300 Fumed Silica (BET 300 m²/g, Hydrophilic)
CAS 112945-52-5
High surface area delivers 25–35% stronger thixotropy per unit weight vs. SEMISIL 200
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SEMISILSEMISIL 380 Fumed Silica (BET 380 m²/g, Hydrophilic)
CAS 112945-52-5
Highest surface area hydrophilic grade (380 m²/g) for maximum thixotropic efficiency
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SEMISILSEMISIL R202 Fumed Silica (Hydrophobic, DDS Treated)
CAS 68611-44-9
DDS surface treatment provides excellent hydrophobicity (≥40% methanol wettability)
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SEMISILSEMISIL R272 Fumed Silica (Hydrophobic, Hexamethyldisilazane Treated)
CAS 68909-20-6
Highest hydrophobicity: 55–65% methanol wettability from complete HMDS capping
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SEMISILSEMISIL R620 Fumed Silica (Hydrophobic, PDMS Treated)
CAS 68909-20-6
PDMS coating provides unique compatibility with silicone rubber and gel systems
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