Hander ( P.T.S.A )
|
Specification
|
Values
|
Uses
|
As a hardner for both furan and phenol resin for making cores and moulds for gray and ductile iron
|
Composition
|
Toluene sulphonic acid
|
|
|
SP - GR (AT20 C)
|
1.225 ± 0.01 GM/CM
|
Active matter
|
65%
|
Free acide
|
< 1
|
|
Uses : Harder for Furan resin & Phenol resin for making cores & moulds
|