Pharmaceutical Grade USP Precipitated Silica White Carbon Black

• CAS No.: 10279-57-9
• Formula: 238-878-4
• 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	USP	CP
Identification	Conforms
Assay (%)	≥99.0
Particle Size (120mesh) (%)	--	≥85.0
pH	4.0-8.0	5.0-7.5
Sulfate Salt (%)	≤0.5
Loss on Ignition (%)	≤8.5
Loss on Drying (%)	≤5.0
Chloride (%)	≤0.1
Arsenic (%)	≤0.0003
Iron (%)	≤0.015
Heavy metal (ppm)	≤30

Product Description: Powder form, Soluble in caustic alkali and hydrofluoric acid, insoluble in acids, water and various solvents. Resistance to high temperature,  no combustion, good insulation properties.
With large specific surface area and good fluidity, it has large adsorption capacity for medicine. Its stronger hydrophilicity can speed the disintegration time of tablet, which has fast release effect and favors medicine
Absorption. This product can be used as a glidant, and general concentration is of 0.15% -3%. It is also
particularly suitable for oils and extracts medicines,  whose good fluidity and compressibility can prevent  poor flow or sticking. When used in producing medicine granule, it can improve the stability of medicine as
desiccant.

Factory Equipment




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.