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Silica Silicon Dioxide White Carbon Black

Supplier From China
May-31-19

Common Type:
Item SD522 SD523 SD521 SD520
Appearance White Powder White Powder White Powder White Powder
SiO2 (dry basis) % â?¥90 â?¥90 â?¥90 â?¥90
Heating Loss(105, 2h) 4.0-7.0 4.0-7.0 4.0-7.0 4.0-7.0
Ignition Loss (dry, 1000, 2h) â?¤7 â?¤7 â?¤7 â?¤7
pH Value 6.5-7.5 6.5-7.5 7.0-7.5 6.5-7.5


Superfine Type:
Item SSD-627 SSD-727 SSD-527
Appearance White Powder White Powder White Powder
SiO2 (dry basis) % â?¥90 â?¥90 â?¥90
Heating Loss(105, 2h) 4.0-7.0 4.0-7.0 4.0-7.0
Ignition Loss (dry basis, 1000, 2h) â?¤7 â?¤7 â?¤7
pH Value 6.5-7.5 6.5-7.5 7.0-7.5
Specific Area (m2/g) 180-220 180-220 200-400
Absorption (cm3/g) 2.6-3.0 2.6-3.0 3.4-3.7
Total Fe (mg/kg) â?¤300 â?¤300 â?¤300
Total Cu (mg/kg) â?¤10 â?¤10 â?¤10
Total Mn (mg/kg) â?¤40 â?¤40 â?¤40
Matter on Sieve (45μm) % �0.5 �0.5 �0.5
D50 (μm) 13+/-0.5 9+/-0.5 9+/-0.5
D90 (μm) 18+/-0.5 17+/-0.5 17+/-0.5
D97 (μm) 22+/-0.5 20+/-0.5 20+/-0.5

Price and Minimum Quantity

Price: $450 - $650
MOQ: Not Specified

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Sales Specifications

Appearance White powder
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Moisture 009
Loss on ignition 006
Fe2O3001
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Na ppm5
CI ppm5
Density gcm3265
pH7
Whiteness92
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As an experienced Silicon Dioxide manufacturer and supplier, we has been supplying and exporting Silicon Dioxide for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.

Silicon Dioxide Specification
Item Standard
Appearance White powder
Purity (SiO2, %) 96
Oil absorption (cm3/g) 2.0~ 3.0
Loss on drying (%) 4.0~ 8.0
Loss on ignition (%) 8.5
BET (m2/g) 170~ 240
pH (10% solution) 5.0~ 8.0
Sodium sulfate (as Na2SO4, %) 1.0
Arsenic (As) 3mg/kg
Lead (Pb) 5 mg/kg
Cadium (Cd) 1 mg/kg
Mercury (Hg) 1 mg/kg
Total heavy metals (as Pb) 20 mg/kg
Total plate count 500cfu/g
Salmonella spp./ 10g Negative
Escherichia coli/ 5g Negative
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The material is stored on cemented flooring, and it can be loaded loose in tipper trucks or containers.

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