Hydrophobic Precipitated Silica Used for Power Fire Extinguisher

Product Details
Customization: Available
CAS No.: 10279-57-9
Formula: 238-878-4
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Basic Info.

EINECS
238-878-4
Classification
Silicon Dioxide
Grade Standard
Industrial Grade
Kind
Alkaline Oxide
Quality
First Class
Transport Package
Kraft Paper Bag
Specification
20kg
Trademark
Zhonghai
Origin
Shandong
HS Code
2811229000
Production Capacity
20000 Tons Per Year

Product Description

Technical Parameters:
 
Type ZH-218 ZH-219
Appearance White Powder
Average Particle Size (D50 um) 15-25 5-15
BET specific surface area  m2/g 260-280
Silica(dry basis) % ≥ 96
Heating loss (105°C) % 2.0-3.0
Loss on ignition (1000±25°C)% ≤7.0
PH-value (10%aqueous solution) 7.0-8.5
DBP Oil Absorption Value cm3/g 2.0-3.0
45um sieve Residue % ≤ 0.5
Soluble salt (Na2SO4)% ≤ 1.0
Cu  mg/kg ≤ 30
Mn mg/kg ≤ 50
Fe  mg/kg ≤ 300

Product Description:  Powder, Granular or Micro pearl form, Soluble in caustic alkali and hydrofluoric acid, insoluble in acids, water and various solvents. Resistance to high temperature,  no combustion, good insulation properties.
Hydrophobic silicon dioxide is the silicon dioxide after special treatment. According to different characteristics of various industires, general hydrophilic silica is mixed with dimethyldichlorosilane for reaction under appropriate condition, and then the solid powdery silicon dioxide that surface is with polysiloxane is made. It not only has excellent hydrophobicity but also has the functions of defoaming, thickening, excelent leveling property and anti-settling. It is suitable for textile dyeing and finishing, defoamer, lubricating oil, unsaturated polyester resin, powder extinguisher, silicone rubber and other products.


Factory Equipment
Hydrophobic Precipitated Silica Used for Power Fire Extinguisher
Hydrophobic Precipitated Silica Used for Power Fire Extinguisher
Hydrophobic Precipitated Silica Used for Power Fire Extinguisher

FAQ

 1. Delivery time 

a) For the stock items, we can arrange the shippment within 2~3days after received your payment. For the customized items, we will indicate the delivery time in the quotation list. 

2. MOQ&Shipping

a) Full containers by sea 

b) Small quantity(>25kg), by air or by LCL or by Express as your requirement

3. Payment term

a) Small quantity recommend West Union

b) Full containers  recommend T/T or  L/C

4.How is the charge for sample?

Free samples could be offered and pls kindly pay the express charge.

5. Can you give warranty of your products?

Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with our Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail. We will provide the replacements to you at our cost according to actual conditions.

6.Can I visit your factory?

Sure, warm welcome. If you have visiting plan, please contact us to make an appointment in advance.

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