rubber antioxidant RD/TMQ chemical name is polymerized-2, 2, 4-trimethyl-1, 2-dihydroquinoline resin
item high grade first grade
1.appearance amber to brown flake
2.soften 80～100 80～100
3.reduction in weight after heating, %≤0.30 0.50
4.ash, %≤ 0.30 0.50