Felcosil TP 38 Hydrated Silica for Toothpaste and Oral Care Applications

Felcosil TP 38 is a high-purity hydrated silica for toothpaste formulations, featuring balanced abrasivity, excellent ingredient compatibility, and low heavy-metal content.

Item NO.:
Felcosil-TP38
Chemical Formula:
SiO2

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Hydrated Silica Felcosil-TP 38 for Abrasive Toothpaste

Chemical Properties

Felcosil TP 38 is a high-purity synthetic hydrated silica designed for toothpaste and oral care formulations. It offers balanced abrasivity, excellent compatibility with other ingredients, and low heavy-metal content. In addition to its cleaning performance, it functions as an absorbent and bulking agent, improving texture and formulation stability. Felcosil TP 38 is safe for use in oral care and personal care products.

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%	-	≥98
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	140-200
Apparent Density	g/m	0.2-0.25
Refractive Index	-	1.435-1.460

Application

It is a synthetic silica with superior abrasive power and compatibility with other ingredients.
It is applied to toothpastes with medium friction and cleaning value or high transparency, and has appropriate friction and cleaning performance

Package and storage:

1. Package:10kg/ 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.