Item WWR-1100 WWR-3100
Fe-Co colour scale / colour, max 100
Softening Point（R&B）， 78.0~84.0 78.0~84.0
Acid Value，mgKOH/g 170.0~180.0 170.0~180.0
Tetrahydro resin acid, % 10~20 30~40
Abietic acid,% , max 1.0 0.5
Dehydroabietic acid， %, max 20.0 20.0
Test of heat stability (200/2h) , max XA XA
2. Properties and uses:
This series of products are made from gum rosin that have been through technical treatment of hydrogenation, being disproportionated and then refined, used in high quality solid or liquid solder flux, and special usage.
Specification of test of heat stability doesn't act as quality assessment of products, but only as a reference to customers.
(1) Drum: Galvanized iron drum, 225kg net each drum.
(2) Packing specified by customers.
5. Technical specification:
The above technical specification (Q/SL05-2002) is formulated and revised by us. If there are changes, the latest specification will be executed and assured by contract.