Rheological Aid Fumed Silica in Coatings

• Customization: Available
• CAS No.: 10279-57-9
• Formula: Sio2.Nh2o
• Model NO.: Fumed silica
• Environmental Protection: Yes
• Function: Silica
• Appearance: Powder
• Color: White
• Transport Package: 15/20 Kgs Paper Bag
• Specification: TD 1017
• Trademark: Lerona
• Origin: China
• Production Capacity: 100 Ton/Month

Product Description

Widely used in rubber, paint, ink, plastic masterbatch, pesticides, agricultural film, digital inkjet, paper printing and other industries
The production workshop is sealed, clean and sterile, with complete inspection and laboratory equipment, and equipped with technicians

Hydrophobic silica
Is a hydrophobic fumed SIO2 obtained from hydrophilic fumed silica after post-treatment with dimethyldichlorosilane.
TD 1017 is fine particle hydrophobic silica. White carbon black

Physical and Chemical Properest

Specification	Test Result
Si02 content	98%
Particle Size d50,Laser Diffration	10μm
Loss on Drying,2h at 1050C	≤4.0%
pH Value 5% in Water :Methanol = 1:1	6.7
Sieve Residue 45 um Spray	≤1.0%
Methanol Wettability	55%
Carbon  Content,Element Analysor   LECO	2.0%
Package	15/ 20 kgs

Product Features
TD 1017 is fine particle hydrophobic silica.
TD 1017 contains larger than 2 % chemically bound carbon and is therefore not wettable by water .
The wettibility of TD 1017 with methanol is approx . 55 % and
indicates its highly hydrophobic character.

Vapor-phase silica (commonly known as fumed silica) is a white, non-toxic, odorless and amorphous inorganic fine chemical product prepared by hydrolysis of chlorosilane in hydrogen-oxygen flame at high temperature. By adjusting the process conditions, gaseous silica products with primary particle size of 7-40 nanometers and specific surface area of 50-400 m2/g can be produced. Because of its small particle size, large specific surface area and high surface activity, fumed silica has been widely used in rubber, paint, adhesive, paint, ink, plastics, cosmetics, agriculture, medicine and other fields. It has good reinforcing, thickening, thixotropy, extinction, anti-ultraviolet, sterilization and other functions.

Physicochemical indexes

fineness	Specific Surface Area (BET)	PH value of suspension (4%)	Drying reduction (drying at 105 C for 2 hours) (m/m%)	Burning reduction (1 000 for 2 hours, based on product dried at 105 for 2 hours) (m/m%)	Sieve residue (45um) (m/m%)	Filling density (based on product dried at 105 C for 2 hours) (g/L)	SiO 2 content (based on post-ignition products) (m/m%)	Carbon content (based on product dried at 105 C for 2 hours) (m/m%)
CT-61(Hydrophobic)	170	5.0-8.0	≤0.5	≤4.0	---	45	≥99.8	≤0.2
CT-61(Hydrophobic)	115	5.0-8.0	≤0.5	≤2.5	---	45	≥99.8	≤0.2
CT-380	380	3.7~4.5	≤2.5	≤0.04	≤0.04	40-60	≥99.0	≤0.2
CT-200	200	3.7~4.5	≤1.0<	≤2.5	≤0.04	40-60	≥99.0	≤0.2
CT-150	150	3.7-4.5	≤1.0	≤2.5	≤0.04	40-60	≥99.0	≤0.2