Felcosil-TP48 Hydrated Silica for Toothpaste Thickening

Felcosil TP 48 is a synthetic hydrated silica designed for toothpaste and oral care formulations. It offers excellent compatibility with other oral care ingredients and provides effective thickening, and viscosity control.

Item NO.:
Felcosil-TP48
Chemical Formula:
SiO2

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Hydrated Silica Felcosil-TP 48 as thickner in Toothpaste

Chemical Properties

Felcosil TP 48 is a high-purity synthetic hydrated silica in white powder form. It provides excellent thickening performance, optimized rheology control, and compatibility with other oral care ingredients. Manufactured to low heavy-metal standards, it is suitable for toothpaste and oral care applications.

Specifications

Items	Unit	Specification
Appearance	-	White Powder
pH Value	5% Slurry	5.5-8.5
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	-	≥96
Water Absorption	ml/20g	≤42
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	200-250
Apparent Density	g/ml	0.14-0.2
Refractive Index	-	1.435-1.460
Transmittance	-	≥94