Frequently Asked Questions

Why are there three different versions of Reprorubber?

Reprorubber is available in 3 different viscosities with 3 different cured hardness’.

Thin Pour – can be poured or injected. Used mainly for internal molding.
Putty – is applied by hand and used mainly for external and shallow internal molding
Orange – is the middle grade and can be used both internally and externally.

What is the working time?

The working time depends on the ambient temperature. The lower the temperature, the slower the material sets, and the higher the temperature, the faster the setting time. Approximately 1 minute is recommended.

What is the setting time?

The setting time depends on the ambient temperature. The lower the temperature, the slower the material sets, and the higher the temperature, the faster the setting time. Generally, 7-10 minutes can be expected.

What is the final Hardness of the cured molds?

Thin Pour: Shore A 30
Orange: Shore A 55
Putty: Shore A 50

Can I apply Reprorubber to hot material?

No, Reprorubber should only be applied to material that are at or close to room temperature.

Are there any materials that Reprorubber should not be applied to?

Reprorubber may adhere to other rubber products. If you are unsure we recommend a test before using. Also, it is not recommended that Reprorubber is applied to any fabrics.

Is the cured sample water resistant?

Yes, cured Reprorubber is not affected by water.

How can I remove the material if it gets stuck in my part?

We recommend soaking Reprorubber in Toluene (or something from the same chemical family). It will loosen and break down the cured material.

Can the final replicas be painted?

No, Reprorubber cannot be painted.

Can Reprorubber to Reprorubber castings be made?

Yes – by first applying the Flexbar Epoxy Parfilm (part# 16136) to the cured part, Reprorubber to Reprorubber castings can safely be made.

Can other colors or viscosities be manufactured?

Not at this time. Please contact Flexbar with any special requests.

Do you have any other Replica products?

Yes – in cases where a hard replica is needed, please use our Facsimile, which makes accurate, hard plastic reproductions in 6 to 8 minutes.We also carry Reusable Low-Melting Alloys: Fine Proofing Alloy and Fixturing Alloy. View our other Replica Products.

What is the Shelf Life?

Reprorubber is guaranteed from 1 year from purchase to be free from defects.

How should my Reprorubber Kits be stored?

Reprorubber should be stored in a dry area at room temperature and in its original packaging. Keep all containers tightly sealed and away from direct light.

General Information

Who can I call if I need Technical Assistance?

Please contact Flexbar Technical Service Department.

Where can I buy Reprorubber locally?

Please visit the Dealer Map for your local representative.

Where can I request a catalog of all your products

Just Contact Us and we will be happy to send any literature you need.

Request a 20ml Putty Sample

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