There are 1 diazo.diazo powder from 1 suppliers on EC21.com
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DAS 20:(4-diazo diphenylamine/formaldehyde condensate hydrogen sulfate: CAS 41432-19-3)
Appearance : yellow to light green Conforns
free-flowing powder
Moisture(LOD) : 7±1% 6.97%
Activity(titration) : 100±6% 103.74%
Solubility : 10grams dissolves readily
with vigorous shaking in
100ml of water at 25c passes
Particulate matter : the solution from the abole
solubility test is passed through
medium porosity filter paper.
typical lots will show no residue
and an acceptable lot will show
only a small number of specks
on the filter paper. passes
Solution stability:
(after 15 days) : min. 50% passes

| Registration Date | 2011/04/25(Year/Month/Date) |
|---|---|
| Buyer / Seller in EC21 | Seller |
| Business Type | Manufacturer |
| Year established | 2000 |
| Employees total | 11 - 50 |
| Annual revenue | USD 2,000,001 - 5,000,000 |
| Company | Joongwon Chemtech Co.,Ltd |
|---|---|
| Address | Lotte Castle Eco 105-1204,80, Dongbaekjukjeon-daero 527beon-gil,Giheung-gu,Yongin-si,Gyeonggi-do,KorGyeonggi-doSeoul16990Korea |
| Phone | 82 - 31 - 6937846 |
| Fax | 82 - 31 - 6937848 |
| Contact | JAMES PARK |