Name: ZEMSIL FH-200V
Brand: ZEMSIL

Question 1

What is ZEMSIL FH-200V?

Accepted Answer

ZEMSIL FH-200V (Fumed Silica (Hydrophobic, PDMS-treated), CAS 112945-52-5) is a ZEMSIL® silicone material. ZEMSIL FH-200V is a hydrophobic fumed silica treated with polydimethylsiloxane, equivalent to Aerosil R202. The PDMS surface coating provides outstanding compatibility with silicone matrices, making it the preferred choice for RTV reinforcement, defoamer compositions, and silicone sealants requiring minimum moisture sensitivity.

Question 2

What is ZEMSIL FH-200V equivalent to?

Accepted Answer

ZEMSIL FH-200V is equivalent to Aerosil R202, CAB-O-SIL TS-720 and can be used as a direct drop-in replacement in most formulations.

Question 3

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

Accepted Answer

ZEMSIL FH-200V is used in: RTV silicone reinforcement, Defoamer compositions, Silicone sealants, Waterproof coatings.

Question 4

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

Accepted Answer

BET Surface Area: ~100 m²/g; Surface Treatment: Polydimethylsiloxane; Carbon Content: ~3-5 %; Methanol Wettability: ≥30 %; Moisture (105°C, 2h): ≤0.5 %

Question 5

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

Accepted Answer

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

ZEMSIL FH-200V

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指标	数值	单位	测试方法
BET Surface Area	~100	m²/g	ISO 9277
Surface Treatment	Polydimethylsiloxane	—	—
Carbon Content	~3-5	%	—
Methanol Wettability	≥30	%	—
Moisture (105°C, 2h)	≤0.5	%	—