AEROSIL R 972

CAS number: 60842-32-2
EC / List number: 612-048-5

AEROSIL R 972 by Evonik is fumed silica after treated with dimethyldichlorosilane. 
AEROSIL R 972 is used in adhesives and silicone sealants. 
AEROSIL R 972 possesses thickening & reinforcement, hydrophobicity and pigment stablilization properties. 
AEROSIL R 972 offers advantages such as water resistance and improvement and maintenance of free flow and anti-caking characteristics of powders.
AEROSIL R 972 is a fumed silica after treated with Dimethyldichlorosilane. 
AEROSIL R 972 is used in silicone rubber and silicone sealants, paints and coatings, printing inks and toner, cable compounds and gels, adhesives, and plant protection. 
AEROSIL R 972 has rheology control of complex liquid systems and is water resistant, hydrophobising of liquid systems. 
AEROSIL R 972 is used in coatings as an anti-settling agent, for pigment stabilization and improvement of corrosion protection.
AEROSIL R 972 Pharma is a high purity, amorphous, anhydrous, hydrophobic colloidal silica for use as an excipient in pharmaceutical products

Applications of AEROSIL R 972:
-Silicone rubber and silicone sealants
-Paints and coatings
-Printing inks and toner
-Adhesives
-Cable compounds and gels
-Plant protection
-Cosmetics

Use:    
Aerosil ® R 972 is a fumed silica which has been hydrophobized with DDS (dimethyldichlorosilane).
-Silicone rubber and silicone sealants
-Lacquers and paints
-Printing inks and toners
-Adhesives
-Cable grounds and cable gels
-Plant protection
-Cosmetics

Properties of AEROSIL R 972:
-Hydrophobic component for thickening and reinforcement of RTV-1 K silicone sealants
-Improves shelf-life of silicone sealants
-Water resistant, hydrophobising of liquid systems
-Rheology control of (complex) liquid systems
-For use in coatings as anti-settling agent, for pigment stablilization and improvement of corrosion protection
-Improves hydrophobicity and rheology of offset printing inks
-Improvement and maintenance of free flow and anti- caking characteristics of powders

Relevant applications identified Silicone rubber
-Sealants
-Paints and varnishes.
-Coloured printing inks
-Toner
-Adhesive
-Cosmetics
-Coating agent
-Pesticide

AEROSIL R 972 Pharma
AEROSIL R 972 Pharma is a high purity, amorphous, anhydrous, hydrophobic colloidal silica for use as an excipient in pharmaceutical products.

Inhalation of AEROSIL R 972: 
In case product dust is released: Possible discomfort: cough, sneezing Move victims into fresh air.
Skin Contact: 
Wash off with plenty of water and soap.
Eye contact: 
In case of contact, immediately flush eyes with plenty of water for at least 15 minutes or until all material has been removed. 
Obtain medical attention.
Ingestion: 
Clean mouth with water and drink afterwards plenty of water. 
After absorbing large amounts of substance / In case of discomfort: Supply with medical care.
Personal Protection for Firstaid Responders: 
As in any fire, wear self-contained positive-pressure breathing apparatus, (MSHA/NIOSH approved or equivalent) and full protective gear.

AEROSIL® R 972 is a fumed silica aftertreated with DDS (Dimethyldichlorosilane)
-Hydrophobic component for thickening and reinforcement of RTV-1 K silicone sealants
-Improves shelf-life of silicone sealants
-Water resistant, hydrophobising of liquid systems
-Rheology control of (complex) liquid systems
-For use in coatings as anti-settling agent, for pigment stablilization and improvement of corrosion protection
-Improves hydrophobicity and rheology of offset printing inks
-Improvement and maintenance of free flow and anti- caking characteristics of powders
TYPICAL APPLICATIONS of AEROSIL R 972:
-Silicone rubber and silicone sealants
-Paints and coatings
-Printing inks and toner
-Adhesives
-Cable compounds and gels
-Plant protection
-Cosmetics

Eye contact:
Non-irritating.
Skin Contact:
Non-irritating.
Inhalation:
May cause irritations of the respiratory tract.
Ingestion:
No hazard expected in normal use.
Flash point: not applicable
Lower explosion limit: not determined
Upper explosion limit: not determined
Autoignition temperature: > 600 °C
Method: VDI 2263
Suitable extinguishing media:
Water spray, foam, CO2, dry powder.
Extinguishing media which must not be used for safety reasons:
Do not use full-force water jet in order to avoid dispersal and spread of the fire.
Specific hazards during fire fighting:
May be released in case of fire: carbon monoxide and carbon dioxide.
Special protective equipment for fire-fighters:
As in any fire, wear self-contained positive-pressure breathing apparatus, and full protective gear.
Personal precautions
Wear personal protective equipment.
Environmental precautions:
Obey relevant local, state, provincial and federal laws and regulations. 
Do not contaminate any lakes, streams, ponds, groundwater or soil.
Methods for cleaning up:
Sweep up or vacuum up spillage and collect in suitable container for disposal.
Additional advice:
Avoid dust formation.
Safe handling advice:
Use with adequate ventilation.
Advice on protection against fire and explosion:
Take precautionary measures against static discharges.
Dust explosion class:
1 m3 vessel = not dust explosive

Features & Benefits of AEROSIL R 972:
-Hydrophobic component for thickening and reinforcement of RTV-1 K silicone sealants
-Improves shelf-life of silicone sealants
-Water resistant, hydrophobising of liquid systems
-Rheology control of (complex) liquid systems
-For use in coatings as an anti-settling agent, for pigment stabilization and improvement of corrosion protection
-Improves hydrophobicity and rheology of offset printing inks
-Improvement and maintenance of free flow and anti-caking characteristics of powders
-Thickens the oil phase

Respiratory protection:
A respiratory protection program that meets OSHA 1910.134 and ANSI Z88.2 or applicable federal/provincial requirements must be followed whenever workplace conditions warrant respirator use.
NIOSH's "Respirator Decision Logic" may be useful in determining the suitability of various types of respirators.
Hand protection:
Use impermeable gloves.
Eye protection:
Wear safety glasses with side shields. 
In case dusts are formed, wear close fitting protective goggles.
Skin and body protection:
A safety shower and eye wash fountain should be readily available.
To identify additional Personal Protective Equipment (PPE) requirements, it is recommended that a hazard assessment in accordance with the OSHA PPE Standard (29CFR1910.132) be conducted before using this product.
Hygiene measures:
When using, do not eat, drink or smoke. Wash face and/or hands before break and end of work.
To ensure ideal skin protection: use super fatted soaps and skin cream for skin care.
Wash contaminated clothing before reuse.
Protective measures:
Handle in accordance with good industrial hygiene and safety practices.
If there is the possibility of skin/eye contact, the indicated hand/eye/body protection should be used.
If the workplace threshold limit value is exceeded and/or the substance is released, use appropriate respiratory protection.


 

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