PHYSICAL PROPERTIES

CHEMICAL PROPERTIES

Grade

QHWX020#

SiO₂

≥90.1%

Color/Appearance

Pink Fine Powder

Al₂O₃

≤4%

Description

Calcined

Fe₂O₃

≤1.5%

Specific Gravity

2.3 g/cm³

CaO

≤0.6%

Moisture

≤1.0%

MgO

≤0.5%

Loss On Ignition

≤3.8%

Others

≤0.8%

PH

7-9

Pb, mg/kg

<0.3

PH Slurry

9.20-10.20

Water Diffluence

<25mg/l

Bulk Density

0.38-0.45 g/cm³

Arsenite

<4 ppm

Median Particle Size Range

5-10μm

Heavy metal

<0.005%

Retained on 325 Mesh

≤2%-4%

XaOH Solubility

45%-75%

Water Absorption By Weight

≤180

HCI Solubility

3.0%-6.0%

Oil Absorption By Weight

100-150 (%)

Precipitating Speed

≤35-55 (ml/h)

Refraction Rate

1.42-1.55

Refractory Degree

900-1380 C

Application Range

Absorbing Material for Clearing Pollution bring from Lakage of Oil,  Water, Dusty, Gas Station, Dock, Highway, Leakage of Depot for Ship and Auto, Landification Industry Workshop,  Wok Area of Governments & Hotels Function Additives as stuffing & Carriers for Catalyst, Cast Iron Pipe Coating, Pesticide, Fertilizer, Rubber, Plastic Film, Paint, Coat, Cement, Paper, Grinding, Glass Steel, Fodder, Feed, Ceramics, Detergent, Dental Materials, Dispersing Agent, Cosmetic, Toothpaste, Food, Polishes, Agricultural Chemicals, insecticide Other general use.