Latex Rubber Accelerator (LRA), Backing Compound, Commercial, FreeShip.
$6.32
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We have two similar materials like this. The first one is a commercial "backing compound" (LRA, this listing) used for filling undercuts in a latex mold as a final step. The other one has similar ingredients but a different primary function (to act as a layer in the mold). For this LRA material, mixing Proportions for an average paste/putty are 5 parts of liquid latex rubber (60% to 75% solids latex type) to 6 parts LRA by weight (click "see more" for details)....(see more)
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