RenCast 134 SI/Ren 134 SI

Manufacturer

Description

RenCast 134 SI(Resin)/Ren 134 SI(Hardener) is a high tear strength, room temperature curing silicone rubber. It offers excellent mold life, and it may be heat cured for faster turn around. RenCast 134 SI has a convenient 100:10 mix ratio by weight and the resin and hardener are color-coded to ensure complete mixing. Excellent surface reproduction, and ease of release are two additional features.
RenCast 134 SI should be used where long mold life is required. Mold durability will still be dependent upon the materials cast into RenCast 134 SI. Epoxies, polyurethanes and polyesters are particularly prone to degrade the surface of some silicone molds. RenCast 134 SI will resist these materials well.
RenCast 134 SI is addition curing. It will not depolymerize when heated in confined spaces as do many condensation curing silicones. As with all silicones, RenCast 134 SI generates little exotherm as it cures. It also exhibits low shrinkage and little stress on components as it cures. RenCast 134 SI’s cure may be accelerated with elevated temperature.

Application

Flexible molds for duplicating thermosetting plastics such as epoxy, polyurethane, polyureas and polyesters.

Properties

Data Sheet

RenCast 134 SI

Material Safety Data Sheet (MSDS)

RenCast 134 SI

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Note: Technical information furnished is based on laboratory findings and is believed to be correct. No warranties of any kind are made except that the materials are of standard quality. All risk and liabilities arising from handling, storage and use of product, as well as compliance with applicable legal restrictions rest with the user. Nothing herein is to be taken as permission, inducement or recommendation to practice any patented invention or process without a license.