ROSIN - US NAVAL STORES (ASTM D 509)

A colour scale for esablishing the colour of rosin according to the ASTM D509 specication.

Standards are as follows: XC,XB,XA,X,WW,WG,N,M,K,I,H,G,F,E,D.



Rosin Comparator(AF670) Rosin Comparator(AF670)