Name: ZEMSIL FH-200M
Brand: ZEMSIL

Question 1

What is ZEMSIL FH-200M?

Accepted Answer

ZEMSIL FH-200M (Fumed Silica (Hydrophobic, HMDS-treated), CAS 112945-52-5) is a ZEMSIL® silicone material. ZEMSIL FH-200M is produced by HMDS treatment of fumed silica, equivalent to Aerosil R805. Trimethylsilyl surface groups provide higher organic resin compatibility than DMDCS grades. Delivers strong thixotropy in unsaturated polyester, epoxy, and polyurethane systems while maintaining hydrophobicity. Preferred in moisture-sensitive resin systems.

Question 2

What is ZEMSIL FH-200M equivalent to?

Accepted Answer

ZEMSIL FH-200M is equivalent to Aerosil R805, CAB-O-SIL TS-610 and can be used as a direct drop-in replacement in most formulations.

Question 3

What are the main applications of ZEMSIL FH-200M?

Accepted Answer

ZEMSIL FH-200M is used in: Unsaturated Polyester, Epoxy Systems, Silicone Rubber, Adhesives, Inks.

Question 4

What are the key specifications of ZEMSIL FH-200M?

Accepted Answer

BET Surface Area: ~150 m²/g; Surface Treatment: HMDS; Carbon Content: ~1.0 %; Methanol Wettability: ≥50 %; Moisture (105°C, 2h): ≤0.5 %

Question 5

What is the CAS number of ZEMSIL FH-200M?

Accepted Answer

The CAS number of ZEMSIL FH-200M (Fumed Silica (Hydrophobic, HMDS-treated)) is 112945-52-5.

ZEMSIL FH-200M

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خاصیت	مقدار	واحد	روش آزمون
BET Surface Area	~150	m²/g	ISO 9277
Surface Treatment	HMDS	—	—
Carbon Content	~1.0	%	—
Methanol Wettability	≥50	%	—
Moisture (105°C, 2h)	≤0.5	%	—