Name: ZEMSIL FH-190M
Brand: ZEMSIL

Question 1

What is ZEMSIL FH-190M?

Accepted Answer

ZEMSIL FH-190M (Fumed Silica (Hydrophobic, HMDS-treated, High Surface Area), CAS 112945-52-5) is a ZEMSIL® silicone material. ZEMSIL FH-190M is a high-surface-area hydrophobic fumed silica (~190 m²/g) produced by HMDS treatment, equivalent to Aerosil R812S. Combines high surface area with deep hydrophobization for superior toner charge control and excellent LSR reinforcement with low mixing viscosity.

Question 2

What is ZEMSIL FH-190M equivalent to?

Accepted Answer

ZEMSIL FH-190M is equivalent to Aerosil R812S, HDK H20 and can be used as a direct drop-in replacement in most formulations.

Question 3

What are the main applications of ZEMSIL FH-190M?

Accepted Answer

ZEMSIL FH-190M is used in: Toner flow/charge control, Premium coatings, LSR reinforcement, Specialty adhesives.

Question 4

What are the key specifications of ZEMSIL FH-190M?

Accepted Answer

BET Surface Area: ~190 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-190M?

Accepted Answer

The CAS number of ZEMSIL FH-190M (Fumed Silica (Hydrophobic, HMDS-treated, High Surface Area)) is 112945-52-5.

ZEMSIL FH-190M

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指标	数值	单位	测试方法
BET Surface Area	~190	m²/g	ISO 9277
Surface Treatment	HMDS	—	—
Carbon Content	~1.0	%	—
Methanol Wettability	≥50	%	—
Moisture (105°C, 2h)	≤0.5	%	—