RubRfil Latex Mold Rubber Filler and Extender
Extender and hardener for 407 Latex and other latex rubbers
Starting at $9.95
By varying the amount of RubRfil in combination with RD-407 Latex you can easily control the amount of hardness and flexibility that can be obtained in your rubber latex castings. Suggested combinations below will yield the following results: - 1 part 407 Latex to 1/2 partS RubRfil - very flexible - 1 part 407 Latex to 1 part RubRfil - flexible - 1 part 407 Latex to 1 1/2 parts RubRfil - medium flexibility - 1 part 407 Latex to 2 1/2 parts RubRfil - very hard.