Basic Chrome Sulphate (BCS)
Description:
Product name: Basic chrome sulphate (BCS)
CAS No: 39380-78-4
Molecular formula: Cr(OH)SO4
Appearance : bright green powder
physical property:
1. Appearance: Amorphous dark green powder or flakes
2. Specific gravity (water=1): one point two five
3. pH (1% solution): two
4. Melting point (oC):>900
5. Solubility: Easy to dissolve in water, insoluble in alcohol. Strong hygroscopicity.
ITEM |
A |
B |
Cr2O3(%) |
24-26 |
21-23 |
Basicity(%) |
32-34 |
38-42 |
Fe(%) |
0.1 MAX |
0.1 MAX |
Water nsolubles(%) |
0.1 MAX |
0.1 MAX |
Character: formless turquoise powder,solute in water.
Purpose: used as dyeing agent and chromium tan agent.
Usage: BCS 26% is making chrome tanned leather, wet Blue, insolubilizing proteins
Basic chromium sulfate is mainly used in the tanning industry and can also be used on ceramic glazes. In addition, in terms of printing technology, basic chromium sulfate can be the most active black dye and green ink. Some industrial inorganic chromium compounds also use basic chromium sulfate as one of the raw materials for synthesis. For example, basic chromium sulfate can be used as a raw material for the production of chromium hydroxide.
FAQ
Q1: How about the validity of the offer?
A: Usually, quotation is valid for 1 week. However, the validity period may be affected by
factors such as ocean freight, raw material prices, etc.
Q2: What is the payment method you can accept?
A: We usually accept T/T, L/C.
Q3: May I get some samples from your side?
A: Yes, of course. We'd like to provide 100-500 g free sample to you, which depends on
product you need. You just need bear the express freight, but we will refund you after you
place bulk order.
Q4: How about lead time?
A: In general the lead time is 2-3 weeks, sometimes it can be shorter or longer
Q5: What kind of package do you have?
A: We have various of packages to meet needs of our customers,like bags or drum for solid
products,lron drums, plastic drums, IBC tank s, Flexitank, ISO TANK for liquid products.
Q6: Which documents can you supply?
A: We usually provide our customers with Commercial Invoice, Price List, Packing List, COA,
OriginCerificate, Quality/Quantity Certificate, Beneficary's Certificate, MSDS, B/L and others.
Thanks for your visit and welcome your kind inquiry!!!
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