Hydrated silica

Hydrated silica is a fine and special chemical product with white color. The main composition is Sio2.Hydrated silica is indissoluble, Thermo stable, Non-flame£¬Non-pollution. Electic insulation and parable. sued in light color, color plastic products, in shoes industry, palstic industry, pesticide, colophony, chemical industry concerned with products for daily use, paint industry etc. Used in plastic and rubber industry can add the abrasionproof and antiavulsion capacity; Used in dope and paint can strength thicken and antideposition capacity; As the carrier of pesticide, it is an ideal sorbent. Our company produce all series of products.

Hydrated Silica(White Carbon Black)

IV-type
1, Chemical Name: hydrated silica
2, Chemical Formula: SiO2 .nH2O
3, Appearance: white powder or granule
4, Quality Index: in accordance with HG/T3061-1999 standard

Item Index
SiO2 Content, %≥ 91
Color as good as even better than standard sample
Sieving Residue(45um), %≤ 0.5
Loss on drying, % 4-8
Loss on ignition,%≤ 7
PH 5-8
Copper(Cu),mg/kg≤ 30
Manganese(Mn), mg/kg≤ 50
Iron(Fe),mg/kg≤ 1000
Specific Surface Area,m2/g 160-250
DBP Absorption Value,cm3/g 2.3-2.9
500% Stress at Elongation,¬Mpa≥ 6.3
Tensile Strength,Mpa≥ 18.0
Elongation at Rupture,%≥ 675

5, Uses: as reinforcing material for light-colored rubber, used in color shoe sole and tyre industry, etc.
6, Packing: woven bag lined with polyethylene film bag, net weight: the times of 5.0kg or on the client's requirements.

II-type

1, Chemical Name: hydrated silica
2,Chemical Formula: SiO2. nH2O
3,Appearance: white powder or granule
4, Quality Index: in accordance with HG/T3061-1999 standard

Item Index
SiO2 Content, % ≥ 91
Color as good as even better than standard sample
Sieving Residue(45um), %≤ 0.5
Loss on drying, % 4-8
Loss on ignition,%≤ 7
PH 5-8
Copper(Cu),mg/kg≤ 30
Manganese(Mn), mg/kg≤ 50
Iron(Fe),mg/kg≤ 1000
Specific Surface Area,m2/g 250-300
DBP Absorption Value,cm3/g 2.5-3.0
500% Stress at Elongation,Mpa≥ 6.3
Tensile Strength,Mpa≥ 17.0
Elongation at Rupture,%≥ 675

5, Uses: mainly used in pesticide, feed and rubber roller carrier industry.
6, Packing: woven bag lined with polyethylene film bag, net weight: the times of 5.0kg or on the client's requirements.

III-type
1, Chemical Name: hydrated silica
2, Chemical Formula: SiO2? nH2O
3, Appearance: white powder or granule
4, Quality Index: in accordance with HG/T 3061-1999 standard

Item Index

SiO2 Content, %≥
91
Color
as good as even better than standard sample
Sieving Residue(45um), %≤ 0.5
Loss on drying, % 4-8
Loss on ignition,%≤ 7
PH 5-8
Copper(Cu),mg/kg≤ 30
Manganese(Mn), mg/kg≤ 50
Iron(Fe),mg/kg≤ 1000
Specific Surface Area,m2/g 145-200
DBP Absorption Value,cm3/g 2.3-2.9
500% Stress at Elongation,Mpa≥ 6.5
Tensile Strength,Mpa≥ 18.0
Elongation at Rupture,%≥ 675

5, Uses: mainly used in tyre and rubber industry.
6, Packing: woven bag lined with polyethylene film bag, net weight: the times of 5.0kg or on the client's requirements.

I-type, high transparency
1, Chemical Name: hydrated silica
2, Chemical Formula: SiO2. nH2O
3, Appearance: white powder or granule
4, Quality Index: in accordance with HG/T3061-1999 standard

Item Index
SiO2 Content, %≥ 92
Color as good as even better than standard sample
Sieving Residue(45um), %≤ 0.5
Loss on drying, % 4-8
Loss on ignition,%≤ 7
PH 5-8
Copper(Cu),mg/kg≤ 30
Manganese(Mn), mg/kg≤ 50
Iron(Fe),mg/kg≤ 1000
Specific Surface Area,m2/g 250-350
DBP Absorption Value,cm3/g 3.0-3.5


5, Uses: because of it high transparency, it is mainly used in paint and coating delustrant, can substitute or partly substitute for gas-phase-method white carbon black.
6, Packing: woven bag lined with polyethylene film bag, net weight: the times of 5.0kg or on the client's requirements.

Medicine-used
1, Chemical Name: hydrated silica
2,Chemical Formula: SiO2nH2O
3, Appearance: white powder or granule
4, Quality Index:

Item Index
Loss on drying %≤ 5.0000
PH 5.0-7.5
HF Involatile Matters, %≤ 5.0000
Iron Salt(as Fe), %≤ 0.0600
Heavy Metals(as Pb), %≤ 0.0050
Arsenic Salts(as As), %≤ 0.0005
Sulfate(SO4), %≤ 0.5000

5, Uses: mainly used as auxiliary material for tablet in pharmaceutical industry and as absorbing dispersant for oily matters.
6,Packing: refer to HG/T3074-1989 industrial standard.
Packing Mode: bag
Packing Material: plastic woven bag lined with polyethylene bag whose thickness is at least 0.04mm.
Packing Weight: the times of 5.0kg every bag or on the client's requirements.

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