Alumilite’s Vac 25
provides users with an extremely durable and abrasion resistant rigid urethane
that has good overall physical properties and low shrink. Vac 25 is the best choice when abrasion
resistance is required. The Vac 25 has a
mix ratio of 1:1 by weight and needs to be agitated prior to measuring. The material features a 6 minute work time
with a demold time that ranges from 2-3 hours depending on the mass of the
material being cast. The Vac 25 is a
great choice for vacuum or thermo form tooling as well as nests, check
fixtures, and applications where high abrasion is required. Vac 25 is not recommended for machining as
some of the raw materials that provide high abrasion resistance are very hard
on tools and bits which will wear down quickly.
Prior to use, read all Technical Data Sheets/Instructions and Safety Data Sheets linked below.