Fumed Silica

FS · FH

Hydrophilic (FS) and hydrophobic (FH) fumed silica grades for rubber reinforcement, rheology control, and surface treatment.

Grade	Chemical Name	BET m²/g	Treatment	Benchmark
ZEMSIL FS-150	Fumed Silica (Hydrophilic)	~14 nm	≥99.8 %	~50 g/L	→
ZEMSIL FS-200	Fumed Silica (Hydrophilic)	~12 nm	≥99.8 %	~50 g/L	→
ZEMSIL FS-300	Fumed Silica (Hydrophilic)	~7 nm	≥99.8 %	~50 g/L	→
ZEMSIL FS-380	Fumed Silica (Hydrophilic)	~7 nm	≥99.8 %	~50 g/L	→
ZEMSIL FH-200D	Fumed Silica (Hydrophobic, DMDCS-treated)	DMDCS	~0.7 %	≥40 %	→
ZEMSIL FH-200M	Fumed Silica (Hydrophobic, HMDS-treated)	HMDS	~1.0 %	≥50 %	→
ZEMSIL FH-300M	Fumed Silica (Hydrophobic, HMDS-treated, High Surface Area)	HMDS	~1.0 %	≥50 %	→

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