Silica Felcosil-TP28 for oral care High Abrasive Toothpaste

Silica Felcosil-TP 28 is a Dentifrice Silica with superior abrasive powder and compatibility with other ingredients as oral toothpaste use

Item NO.:
Felcosil-TP28
Chemical Formula:
SiO2 nH2O

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Felcosil-TP 28 Hydrated silica for High Abrasive Toothpaste as oral care

Chemical Properties

Silica TP 28 is a Dentifrice Silica with superior abrasive white powder and compatibility with other ingredients without and low heavy metal as standard.

Dentifrice Silica is high purity silica in produce toothpaste.

Specifications

Items	Unit	Specification
Appearance	-	White Powder, free of visible foreign matter
pH Value	5% Slurry	6.0-8.5
Particle Size, pass on sieve 325%	-	≥96
Loss on Drying % in 105℃	-	≤10
Loss on Ignition in 1000℃	-	≤8.5
Sodium Sulfate (as Na2SO4+Nac)	%	≤2.0
Whiteness	-	≥95
Water Absorption	ml/20g	≤30
Purity of SiO2	%	≥96
Iron as Fe	mg/kg	≤350
Sulfide	-	Negative
Heavy Metal as Pb	mg/kg	≤15
Arsenic	mg/kg	≤3
Total Aerobic Count	cfu/g	≤200
Mold & Yeast	cfu/g	≤100
Gram Negative Bacill	cfu/g	Not Detetive
Pseudomonas Aeruginosa	cfu/g	Not Detetive
S.aureus	cfu/g	Not Detetive
Oil Absorption Value	ml/100g	≤150
Apparent Density	g/m	≥0.28
Refractive Index	-	1.435-1.046
Light Transmittance	%	≥90
Friction Value 9000 Times of Copper Wear	-	5-8mgCu(RDA120-180)

Application

Silica Felcosil-TP 28 as Dentifrice Silica with high RDA value makes it suitable for those toothpaste formulations which demands high polishing level.

Usage method : The transparent toothpaste can be compounded with thickened silica at the dosage of 15-20%.

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