340 г мелкий хладагент 134a
US $1.00-$1.30
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product name | cheap price rust cleaning agent oxalic acid dihydrate white powder 99%min oxalic acid |
CAS | 144-62-7 |
EINECS number | 205-634-3 |
molecular formula | C2H4O2 |
purity | 99%min |
use | rust cleaning agent |