RECORD® Alum Hardening Converter

RECORD® Alum Hardening Converter 1 Liter
RECORD® Alum Hardening Converter 1 Liter

Unhardened emulsions are easily scratched when wet, and absorb moisture when dry. Adding RECORD Alum Hardening Converter to a fixer solution is one method of toughening emulsions to be more resistant to abrasion and water absorption. 

$7.89