Cart is empty
Used together with your silicone seal when casting with perforated flasks, the graphite seal is sandwiched between the silicone seal and the flange of the perforated flask. This practice greatly prolongs the useful life of the silicone seal.
Discover a great variety of Interesting, Informative and Fun Jewelry Making Classes !
You can now sign up for classes online!
Our Extended Validation SSL certificate provides you with the highest degree of assurance that Armstrong Tool Supply Co. is a verified and trusted business and that your transactions are secure