Silicones, Inc.Silicones, Inc.RTV-2 Silicone Rubber

Platinum and tin cure

2 Part RTV Silicone Rubber, made in America to exacting specifications.

Silicones, Inc. manufactures platinum and tin cure RTV-2 systems for molding, casting, and industrial work. Find the right material by the properties that matter.

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What Shore A hardness actually feels like

Durometer is a hardness scale. Move the marker to see where a value lands against everyday objects, from a soft band to a rigid wheel.

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020406080
SofterFirmer

40Shore A

Feels like a soft door seal

Pliable and springs back.

Platinum cure or tin cure.

The cure system shapes accuracy, shrinkage, and cost. Here is how the two compare. Confirm specifics with our team before you order.

Addition cure

Platinum cure

Shrinkage
Very low
Dimensional accuracy
High
Cure byproduct
None
Best for
Precise, repeatable molds
View platinum cure products

Condensation cure

Tin cure

Shrinkage
Slight, over time
Contaminant tolerance
High
Relative cost
Lower
Best for
General purpose and prototyping
View tin cure products

Built for engineers and buyers who need it right.

  1. 01

    Made in America

    Manufactured in High Point, North Carolina, with domestic supply and oversight at every step.

  2. 02

    Delivery reliability

    Consistent lead times and dependable fulfillment, so your production schedule holds.

  3. 03

    Technical expertise

    Application support from people who know the chemistry and can help you match material to use.

  4. 04

    Customer service

    Direct, responsive contact. Real answers to real engineering and procurement questions.

Industries we supply.

RTV-2 silicone serves a wide range of technical applications. Explore the areas we support.

Not sure which product fits?

Answer a few questions and we will narrow the field.

Help Me Pick walks through your application, then prepares a technical inquiry for our team to confirm before you order.

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