... 2030~40Abietic acid,% , max1.00.5Dehydroabietic acid, %, max20.020.0Test of heat stability (200/2h) , maxXAXA2. Properties and uses:This series ... quality solid or liquid solder flux, and special usage.3. Test:Specification of test of heat stability doesn't act as quality assessment ... of products, but only as a reference to customers.4. Packing ...