Polyurethane Rubber

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Owing to their high chemical-mechanical properties combined with high elasticity, the polyurethane rubbers are suitable for making flexible moulds and matrices to reproduce, starting from an original model, objects in different applicative sectors. Materials that can be used in hand-made objects reproduction from polyurethane rubbers matrices are: natural and synthetic waxes, plaste, cement and ceramic pastes.

Main features

Cold vulcanizing with the appropriate catalyst
High fluidity (pouring application)
No linear shrinkage
High elasticity, easy demoulding also for objects with undercuts
Extreme faithfulness in the reproduction of details from any original model
Easy mould building, no need of particular equipments
Adding appropriate charges the elastomer can be worked with tools
Some polyurethane elastomers have anti-adherent properties
Some polyurethane elastomers are not toxic (ex. TR series TDI monomer less than 0,1 %)
Odourless.

Properties of polyurethane rubbers and types

Polyurethane Rubbers Self-release

POLIMOLD SERIE HR
Hardness from 25 to 43 shore A. Not charged Series, self-releasing, oily (easy "delivery"). High fluidity, elasticity and mechanical strength, low specific gravity, very small linear shrinkage. Suitable for realization of moulds to produce cement and plaster products, decorative garden articles, rosettes, cornices, religious and decorative goods, etc…

POLIMOLD SERIE HRPLUS
Hardness from 25 to 43 shore A. Not charged Series, self-releasing, not oily (easy "delivery"). High fluidity, elasticity and mechanical strength, low specific gravity, very little linear shrinkage.Suitable for realization of moulds to produce cement and Plaster products, decorative garden articles, rosettes, cornices, religious and decorative goods, etc…

POLIMOLD HF series
Hardness from 22 to 38 shore A. Charged series, self-releasing, not oily (easy "delivery"). High fluidity, elasticity and mechanical strength, low specific gravity, very small linear shrinkage.Suitable for realization of moulds to produce cement and plaster products, decorative garden articles, rosettes, cornices, religious and decorative goods, etc…

Polyurethane Rubbers Not-self-release

POLIMOLD TR series
Hardness from 37 to 53 Shore A. Charged Series, tool workable and waterproof (water doesn't change the physical and mechanical elastomer properties). It is a not toxic material with high dimensional stability and no linear shrinkage. Suitable for realization of moulds for producing precasted cement elements (large-sized also), sanitary fixtures, decorative stuccos, plaster, cement, wax hand-made articles.

POLIMOLD NT series
Hardness from 22 to 43 shore A. Not self-releasing series, no toxic, with high dimensional stability and no linear shrinkage. Suitable for realization of rubber technical articles, moulds for producing blaster, cement or wax products.

POLIMOLD E Series
Hardness from 70 to 90 shore A. Polyurethane elastomers zeries tool workable and waterproof. MOULDS SUBJECTED TO HIGH MECHANICAL STRENGHT - Case moulds production for ceramic and sanitary fixtures.

Poolkemie products are simple to use, technically innovative and provided with high mechanical characteristics.

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Tags: polyurethane rubber