Flexible urethane formulation enables creation of molds and parts with required flexibility
Excellent tear strength ensures durability for demanding applications
High elongation allows for easy shaping and fitting
Good chemical resistance protects castings from reactive materials
Suitable for a wide range of models, prototypes, and industrial uses
Summarized by Shop
Flex-It 40 is a flexible urethane casting resin designed for casting flexible molds, seals, gaskets, models, prototypes, parts, etc.. It has excellent tear strength, elongation, tensile strength, and good chemical resistance.
Flex-It 40 is a flexible urethane casting resin designed for casting flexible molds, seals, gaskets, models, proto
Chemical Grade
Not specified
Color
Brown, Blue
Summarized by Shop
4.8
10 ratings
5
4
3
2
1
My favorite flex poly.
Nice poly. Super fresh, one of my favorite flexi. Also customer service was really helpful with address change and overall order experience. Good job guys!
D
Dmitry · June 30, 2026
Fast shipping and product was perfect for electronics potting material
S
Stanley · July 31, 2026
Works well, demolds well, no issues
Works well, no problems with curing or demolding... seems a a little softer than 40. I'll try the 60
