For use in automatic mixing machines. 5:1 ratio addition-cured vinyl polysiloxane material. Good readability; precision detail. Hydrophilic. Smooth flowing. Excellent mechanical properties. Setting times (incl. working time): Soft Regular total 5.30 mins; Fast total 4.00 mins. Includes Cartridge 380ml x 2, Bayonet Rings x 2 and Dynamic Mixers x 20.