Name: ZEMSIL PS-230
Brand: ZEMSIL

Question 1

What is ZEMSIL PS-230?

Accepted Answer

ZEMSIL PS-230 (Precipitated Silica (Ultra High Surface Area), CAS 7631-86-9) is a ZEMSIL® silicone material. ZEMSIL PS-230 is the highest surface area grade in the ZEMSIL precipitated silica line at ~230 m²/g. Delivers maximum rubber reinforcement and unparalleled matting efficiency. Increasingly used in battery separator ceramic coating slurries and CMP (chemical mechanical polishing) applications requiring sub-micron particle precision.

Question 2

What are the main applications of ZEMSIL PS-230?

Accepted Answer

ZEMSIL PS-230 is used in: Ultra-high reinforcement rubber, Battery separator ceramic coating, Specialty matting, CMP slurry.

Question 3

What are the key specifications of ZEMSIL PS-230?

Accepted Answer

BET Surface Area: 230 ± 20 m²/g; CTAB Surface Area: ~210 m²/g; SiO₂ Content (dry basis): ≥96 %; DBP Absorption: ~230 mL/100g; Moisture (105°C, 2h): ≤7 %; pH (5% suspension): 6.0–8.0

Question 4

What is the CAS number of ZEMSIL PS-230?

Accepted Answer

The CAS number of ZEMSIL PS-230 (Precipitated Silica (Ultra High Surface Area)) is 7631-86-9.

ZEMSIL PS-230

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指标	数值	单位	测试方法
BET Surface Area	230 ± 20	m²/g	ISO 9277
CTAB Surface Area	~210	m²/g	—
SiO₂ Content (dry basis)	≥96	%	—
DBP Absorption	~230	mL/100g	—
Moisture (105°C, 2h)	≤7	%	—
pH (5% suspension)	6.0–8.0	—	—