precipitated silica

1) White Silica Sand Grade-A 2) Produces in all forms (Normal, micrometers and powder) 3) Usage: tire 4) Packing: bag

ITEM	Unit	SH	SH-X	Test Method
Specific surface area(nitrogen)	m2/g	175 ± 15	175 ± 15	GB/T10722
(CTAB)Specific surface area	m2/g			GB/T3780.5
4% Electrical conductivity	μ s/cm	≤ 1100	≤ 1100	HG/T3748
2h @ 105 0C determination of heating loss	%	5.5 ± 1	6.3 ±0.5	HG/T3065
PH		6.2 ± 0.5	6.4 ±0.5	HG/T3067
DBP	cm3/g	2.2 ± 0.1	2.2 ± 0.1	HG/T3072
63  μ m sieve residue	%	≤ 0.05	≤ 0.05	HG/T3064
Loss on ignition	%	4.5 ± 1	4.5 ± 1	HG/T3066
Water soluble salt	%	≤ 2.5	≤ 2.5	HG/T3748
SiO2	%	≥ 98	≥ 98	HG/T3062
Al	ppm	≤ 3500	≤ 3500	HG/T3070
Fe*	ppm	≤ 600	≤ 600	HG/T3070
Fe	ppm	≤ 250	≤ 250	HG/T3070
Cu	ppm	<2	<2	HG/T3068
Mn	ppm	<3	<3	HG/T3069
Appearance	Powder or Bead			HG/T3063
We can customize accoding to the customer's requirement				HG/T3061

 

Specifications

White Silica Sand Grade-A( SiO2≥99.90%). We process various silica sand grain sizes for diff production type. Good adsorption performance. Increase thermal conductivity. Good wetting properties. Increase fire resistance. Produces in all forms (Normal, micrometers and powder or as per customer request) as below: Granular particles (40  ... 150 mesh). Powder (150...25 microns)

Types

Common silica sand, high pure silica sand, delicate silica sand (Coarse powder, Fine powder).

Packing Details

Bulk quantity or in packing 20kgs/bag, 50kgs/bag, ton bags, or depends on customer's

precipitated silica