Usage:
It uses in rubber industry as additive which replaces cumar resin with good intermiscibility, plasticization, tackifying, stable nature and anti-aging. Substituting rosin in regenerative rubber production with strong elasticity, plasticity and anti-aging. It uses as ingredient of polyurethane waterproof coating, polyurethane waterproof coating and waterproof coating.
Technical index:
|
Item
|
Index
|
Testing method
|
|
Type
|
SY Rosin
|
SY Cumar resin
|
|
|
Appearance
|
Sepia solid
|
By eyes
|
|
Softening point
|
80~120
|
Metter
|
|
Mechanical impurity %≤
|
0.2
|
GB/T511
|
|
Ash %≤
|
0.02
|
GB/T508
|
|
Water
|
No
|
GB/T260
|
|
Water-soluble acid and alkali
|
No
|
GB/T259
|
Package:
Weaving bag package, net weight 40kg/bag.
