Evonik AEROSIL® R 972 Hydrophobic Fumed Silica_Toluene diisocyanate manufacturer

Evonik AEROSIL® R 972 Hydrophobic Fumed Silica

Products Description

AEROSIL®R 972 is a hydrophilic gas phase with a specific surface area of 130㎡/g Hydrophobic fumed silica obtained after DDS (dimethyldichlorosilane) post-treatment.

Technology Parameters

Nature and test method	unit	typical data
specific surface area (BET method)	m2/g	110 ± 20
Carbon content	wt.%	0.6 - 1.2
Compacted density (approx.)* according to DIN EN ISO 787/11,Aug.1983	g/l	about 50
Moisture content* 2 hours at 105℃	wt.%	≤ 0.5
burn loss After drying the material at 105℃ for 2 hours, burn it at 1000℃ for 2 hours hours	wt.%	≤ 2.0
pH in 4% dispersion		3.6 - 5.5
SiO2 content Based on burned material	wt.%	≥ 99.8
* Factory The data given are typical values rather than production parameters

Apply Domain

Silicone rubber, silicone sealant

Paint, coating

printing ink, copier toner

Adhesive

cable material, cable glue

plant protection

Features

1. RTV-1K one-component silicone sealant thickening and reinforcement Hydrophobic products used

2. Improve the storage performance of silicone sealants

3. Water resistance and hydrophobicity of liquid system

4. Rheological control of (complex) liquid systems

5. Used for anti-sedimentation of coatings to improve the stability of pigments and strengthen corrosion Protection

6. Improve the hydrophobicity and rheology of offset printing ink

7. Promote and maintain powder flow and anti-caking

Packaging Save

AEROSIL®R 972 is supplied in multi-layer packaging of 10 kg per bag. We recommend storing the product in airtight containers in dry conditions and protected from exposure to volatile substances.

AEROSIL® R 972 should be used within two years of production.