Super SEM Flex is a paint additive that adds flexibility to urethanes, enamels and lacquers. Perfect for refinishing flexible substrates such as bumpers, vinyl convertible tops and flexible plastics.
New
Price: $69.19
(as of Jan 19, 2025 20:00:40 UTC – Details)
Customer Reviews
Reviewer: Steven R.
Rating: 5.0 out of 5 stars
Title: No problem with the product
Review: Used this product with Nason base coat and clear also with speedokote performed well
Reviewer: phil Wisconsin
Rating: 5.0 out of 5 stars
Title: good stuff
Review: I painted a plastic automotive bumper and used this flex additive. This is a vital chemical needed to ensure your paint doesn’t flake off your painted plastic parts. (You also need adhesion promoter as prep).I can’t remmber if I added this to the clear coat as well… honestly I am not a professional. I whacked out my bumper on a part of a truck tire on the highway, and I decieded to try this out. It has lasted me 6 months and looks pretty dang good, using some materials and tools off of Amazon.
Reviewer: Ron Edmonson
Rating: 5.0 out of 5 stars
Title: sem flex
Review: work great
Reviewer: Brad Hornbaker
Rating: 5.0 out of 5 stars
Title: perfect product
Review: never fails when i use this product
Reviewer: Robert Nicholls
Rating: 5.0 out of 5 stars
Title: Sem super flex
Review: Great product. I have used their products for years.
Reviewer: Classic_rodder
Rating: 1.0 out of 5 stars
Title: Watch the date code
Review: I mixed in according to the label, sprayed on beautifully, except that it did not harden. It stayed tacky. Called sem directly, it turns out this bottle was past its shelf life.
Reviewer: Kevin45
Rating: 5.0 out of 5 stars
Title: Flex that Bumper Cover
Review: Used this with acrylic urathane automotive in base coat and in clear coat on 2015 Ford Focus bumper cover at 15-20%. It looks great with plenty of flex.Will use again.
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