Cerrosafe shrinks during the first 30 minutes of cooling and then at the end of an hour, is EXACTLY chamber size. At the end of 200 hours it will have expanded approximately .0025". This factor is well known by all toolmakers and they will take it into consideration when making dies or reamers or gauges from your cast
For Technical help and / or other concerns please contact Brownells directly
Technical Support: 800-741-0015
Fax: 800-264-3068
General Office: 641-623-5401
Brownells Inc.
200 South Front Street
Montezuma, Iowa 50171
U.S.A.
