This tool should be used as a guide only. Jotamastic 90 may not be an exact match for Amerlock 400 by but we have given the closest match we can. Jotamastic 90 should do the same job and have similar properties but you should always read the technical data sheets for both Jotamastic 90 and Amerlock 400 to be sure. Please see any notes to see any major differences and call us on 01285 862132 if you have any specific questions.
