牙膏用二氧化硅

items

specification

specification

grade

BT-70(abrasive)

BT-701(thickener)

form

White powder

White powder

whiteness

≥96

              ≥96

SiO2 content

 ≥98

 ≥98

PH value

≥7

≥7

Adverage partical size

13-15um

9-11um

105℃volatile %

≤8

≤6

Ignition loss 900℃%

≤8.5

≤6.5

Drink value ml/20g

18-20

40-60

Na2SO4 content %

Sodium sulfatc

≤0.4

≤0.4

Sulfide content

naught

naught

Iron content mg/kg

149

149

NaCl content%

≤0.1

≤0.1

Heavy metal content mg/kg

≤15

≤15

As content mg/kg

≤2.0

≤2.0

Germ count cfu/g

≤200

≤200

Health certification No.

LWSZZ(2007) No. 370000-000082

LWSZZ(2007) No. 370000-000082

Produce certification No.

XK13-217-00815

XK13-217-00815