HX-Stiffening Agent

$5.33 - $125.20
(1 review) Write a Review
Ship Weight:
15.00 LBS

WARNING - Prop. 65

Formerly 'HX-Filler'.

Low viscosity liquid that can be mixed with HX-200, HX-407 and HX-807 latex when cast into a gypsum mold or mask making, etc.

By varying the amount of stiffening agent, you can control the flexibility of the final cast:

HX-200/407 HX-Stiffening Agent Flexibility
1 0.5 Very Flexible
1 1.0 Flexible
1 1.5 Medium Flexibility
1 2.5 Very Rigid

Use an accurate gram scale when weighing components.


  • 5
    awesome product!

    Posted by Tony on 11th Oct 2017

    This is great stuff! I used it in my rubber mask that I'll use for Halloween and it worked out great! Thank you! Hopefully I'll win the costume contest!