Name: ZEMSIL PS-115
Brand: ZEMSIL

Question 1

What is ZEMSIL PS-115?

Accepted Answer

ZEMSIL PS-115 (Precipitated Silica, CAS 7631-86-9) is a ZEMSIL® silicone material. ZEMSIL PS-115 is a general-purpose precipitated silica at ~115 m²/g, produced by controlled precipitation from sodium silicate. Provides cost-effective reinforcement in non-tire rubber including hoses, belts, and footwear. Widely used as matting agent in coatings and as semi-reinforcing filler in silicone sealants.

Question 2

What are the main applications of ZEMSIL PS-115?

Accepted Answer

ZEMSIL PS-115 is used in: General Rubber, Industrial Hoses, Footwear, Coatings Matting, Sealant Filler.

Question 3

What are the key specifications of ZEMSIL PS-115?

Accepted Answer

BET Surface Area: 115 ± 15 m²/g; CTAB Surface Area: ~105 m²/g; SiO₂ Content (dry basis): ≥96 %; DBP Absorption: ~180 mL/100g; Moisture (105°C, 2h): ≤7 %; Ignition Loss (1000°C): ≤14 %; pH (5% suspension): 6.0–8.0

Question 4

What is the CAS number of ZEMSIL PS-115?

Accepted Answer

The CAS number of ZEMSIL PS-115 (Precipitated Silica) is 7631-86-9.

ZEMSIL PS-115

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Показатель	Значение	Единица	Метод испытания
BET Surface Area	115 ± 15	m²/g	ISO 9277
CTAB Surface Area	~105	m²/g	—
SiO₂ Content (dry basis)	≥96	%	—
DBP Absorption	~180	mL/100g	—
Moisture (105°C, 2h)	≤7	%	—
Ignition Loss (1000°C)	≤14	%	—
pH (5% suspension)	6.0–8.0	—	—