Nivitex Fibreglass and Resins Logo Image

tel: 087 310 2500
email: info@nivitex.com

Mon to Fri 7:30am - 17:00pm
Sat 9:00am - 12:00am

Request Information

Fibreglass Products

Associations image
Silicone Rubber Mould Graphic1

Mould Making - Silicone Rubber

Silicone is a two component silicone elastomer vulcanizing at room temperature by a polycondensation reaction.

The result is a flexible, elastic material with an excellent tear resistance.

Silicone Rubber

Product Description

RTV 555 Silicone Moulding Rubber

Quantity: 1kg, 5kg and 25kg

Two component silicone elastomer cross-linking at room temperature by a poly-condensation reaction. The resulting product is flexible, elastic and gives excellent tear resistance.

RTV555 is ideally suited for detailed reproduction.

Moulds made from RTV555 are used in the manufacture of pieces in polyester resin, plaster, cement, polyurethane, wax and soap.

It has special applications in:

  • Art and decoration: moulding of sculptures and statuettes.
  • Building: Decorative features.
  • Furnishings: Casting of furniture and decorations.
  • Arts & Crafts: Soap and candles.

RTV 586 Silicone Rubber

Quantity: 1kg, 5kg and 25kg

RTV586 is the highest quality and versatile mould making material available. It has a unique set of characteristics that enable it to outperform epoxies, urethane, and such organic materials as latex rubber.

The ideal solution for a wide range of moulding requirements. Polyester and epoxy resins, acrylics, urethane and urethane foams, concrete, waxes and plasters can all be formed using silicone rubber moulds.

Particularly useful for:

  • Art and decoration: moulding of sculptures and statuetettes.
  • Building: prefabricated decorative elements.

RTV HY 620 Silicone Rubber

Quantity: 1kg, 5kg and 25kg

RTV HY 620 is a two part silicone rubber, which cures at room temperature within 2 to 5 hours depending on the percentage catalyst added.

RTV HY 625 Silicone Rubber

Quantity: 1kg, 5kg and 25kg

RTV HY 625 is a two part silicone rubber, which cures at room temperature within 2 to 5 hours depending on the percentage catalyst added. Hardness shore a 24-26

Addition Cure E626 Silicone Rubber

Quantity: 1kg, 5kg and 25kg

E 625 is an addition cure, two-component silicone rubber, Part A and part B. It offers exceptional fluidity and good operability. The mixing ratio is 1:1, mainly be suitable for mould making applications.

Applications:

Addition moulding silicone could be mainly used for making concrete stones, wax moulds, PU moulds, resin moulds, gypsum casting, candle moulding and chocolate , candy and any other FDA food product mould making etc.

Thixotropic Agent

Quantity: 1kg

Is an additional agent that can be added to the 2 part RTV silicone rubber to help it form a butter-on consistancy within seconds of addition to catalysed liquid rubber. This is the perfect addition to the silicone rubber when it is needed to be applied to a vertical surface using a brush on or butter on technique.

Silicone Rubber Mold Example
Rubber Mould Example
Silicone Rubber Mould Final Product

Fibreglass How to Guides

Fibreglass How to Guide

Nivitex have various guides available for the DIY person that will help you with your next project from costings on projects to using various fibreglass products for mould making etc.

See all our DIY guides

Technical Information

Technical Information Guides

We have technical information available on various fibreglass products. These guides will help you with faults, how to apply products, grades of fibreglass and much more.

See all our Technical Guides

Need Help?

Vacuum Bagging Image

If you need assistance or you just need some reassurance that you are looking at the right products for your project.

Contact us we'll put you on the right track.

Request Information