Apezzo Apiezon Model W40 Sealing Wax, Apiezon Sealing Wax W is also a good etching resistant material.

1. It is a general product suitable for many purposes
2. Anti-etching (sealing wax W only)
3、Very good vapor pressure characteristics
4. High purity combined with strong 'adsorption' and clean melting performance
5. Very good waterproof medium
6. Easy to use and clean
7. 10-year shelf life