Those Toothpaste Formulations Silica TP28

Silica TP 28 for High Brasive Toothpaste Formulations

Silica TP 28 is a synthetic silica with superior abrasive powder and compatibility with other ingredients.

Item NO.:
TP 28
Chemical Formula:
SiO2 nH2O

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Silica TP 28 for High Brasive Toothpaste Formulations

Chemical Properties

Silica TP 28 is a synthetic silica with superior abrasive white powder and compatibility with other ingredients.

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 TP 28 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%.

Silica TP 28 for High Brasive Toothpaste Formulations

1. Package: 20kg/bag.

2. Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

3. Shelf life: One year in ventilating, cool and dry area.

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