Flex-It 90

Made in the USA

When you buy from SRC, you'll receive fresh American-made materials every time, direct from the source.

Flex-It 90 is a semi-rigid urethane casting resin for casting abrasion resistant molds with excellent tear strength.

$27.99
$27.99
Size: 2 Pint 32 oz
Shipping calculated at checkout.

In Stock
Flex-It 90, 1 Gallon
$27.99
$27.99

What customers say

  • Fantastic resin and Specialty Resin has always been prompt with not only dispatching orders but also with answering any questions I have had.

  • Great range of products, some of the best resins I've used come from here and hope to use more soon. All the best with the move I hope all there are well, take care in these uncertain times

  • great product and company very generous through the years ! always helped me with any problem ! 5 out of 5 stars

Description

Flex-It 90 is a semi-rigid urethane casting resin designed for casting abrasion resistant molds, seals, gaskets, models, prototypes, parts, rollers, etc.. It is semi-rigid in mass castings and flexible in thin cross-sections. FLEX-IT 90 has excellent abrasion resistance, tear strength, tensile strength, and has good chemical resistance.

Flex-It 90 is a semi-rigid urethane casting resin designed for casting abrasion resistant molds, seals, gaskets, models, prototypes, parts, rollers, etc.. It is semi-rigid in mass castings and flexible in thin cross-sections. FLEX-IT 90 has excellent abrasion resistance, tear strength, tensile strength, and has good chemical resistance.

Specifications

Mix Ratio 1:1 by weight / volume
Working Time 3 minutes
Demold Time 1.5 hours
Heat Deflection 170°F
Shrinkage .001
Color Semi-clear
Hardness 90-A
Viscosity 1000 cps

Resources

Flex-It 90 - Safety Data Sheet

Quality You Can Trust

  • Made in the USA

  • Direct from the Source

  • Money Back Guarantee

Frequently Asked Questions

What happens to resin if it has passed its shelf life?

When a product has exceeded its shelf life, the casting process can become unstable. Working time and demolding time will likely change as well.

Does temperature play a role in the casting process?

Temperature plays a major role when it comes to mixing and curing silicone, resin or epoxy. Heat and humidity can speed up your curing time and cooler temperatures will do the opposite and slow down your curing time.

How much metallic or glow-in-the-dark powder am I supposed to use in my resin or epoxy project?

When adding metallic or glow-in-the-dark powder to your resin, you should start by adding small amounts and continue to add more until you reach the desired result.

What is the right amount of pigment to use?

When adding pigment to a project remember a little goes a long way. Add pigment by drops until you reach the desired color. Make sure to make a note of how much pigment you used so you can match if making multiple batches.

How do I eliminate bubbles in my silicone mold?

There are few ways you can eliminate bubbles in your silicone rubber mold:

  • Degas material within the working time frame.
  • Pour a thin stream and allow material to slowly fill in any negative space.
  • Use a thinning agent that will allow bubbles to rise faster.

Customer Reviews

Based on 28 reviews
64%
(18)
29%
(8)
4%
(1)
4%
(1)
0%
(0)
81.5
95.7
L
Logan Sellers
Good product, but short working time

I've used the flex it 40 before and was pretty happy with the results, so when I needed something harder I thought I'd try this one. I think it will work, but there are some drawbacks. The 3 minute work time is very short and unforgiving. It also seems to have a harder time flowing into the molds, leaving air pockets or unfilled areas sometimes, but I think that's the result of the resin starting to harden up before the pour was done. So I think if the work time was longer this would be excellent

S
Sam Romo
Set up too quickly

Set up too quickly, took many tries to get a decent cast. Works great so far

C
Charles
I used flex 90 to build spring bushings

I used flex 90 to build spring bushings it is really stiff was easy to mix and poor you must work fast , the quality of the polyurethane rubber is exceptionally good and provides exceptional support . In retrospect I wish I had used the 70 on everything I only used it on the shock mounts but if you need something for high impacts resistant the 90 will hold up

Z
Zeke
Fast shipping, good product

Product has worked for my car bushing so far so good. I could not find a basic tutorial anywhere on their website or packaging, I may be blind, but , thankfully it is a straight forward process. Fast shipping as well.

A
Austin
work time is vastly incorrect

work time is vastly incorrect, i'd say it's closer to 1 minute. It is super thick once part a and b have been added, and it is SUPER prone to air bubbles at room temp, heavily recommend using a pressure cooker to remove air bubbles.

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