Apiezon Wax Grade W40, 250g, CAS #64741-56-6 and CAS#8012-95-1
Apiezon Wax W40 can be used either as a vacuum sealing compound or as a mounting wax. For work with high vacuum and UHV, it would be better to use Vacseal® Vacuum Leak Sealant.
There are a series of three different Apiezon Wax products, differing in their "hardness". Be sure to be familiar with the differences in the characteristics of the different waxes.
The hardness of W40 is described as being the "softest" of the three waxes.
250 gram can
CAS #64741-56-6; 8012-95-1