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Polyurethane

Polyurethane resins offer unparalled versatility in their range of hardnesses from Shore 00 to Shore D; from gels, through rubbers to rigid resins.

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Polyurethane resins offer unparalled versatility in their range of hardnesses from Shore 00 to Shore D; from gels, through rubbers to rigid resins.  They can demonstrate extreme impact resistance and toughness but conversely can have skin replication qualities.  Another useful variable is their ability to offer a wide range of cure times at room temperature; enabling when appropriate, rapid demould of finished parts.  Applications can involve Potting and Encapsulation and Casting Systems (often used in the Rapid Prototyping, Model Making and Special Effects industries). 

Polyurethane Product Range

General Purpose
Techsil's own Vactech 200 - 80° Shore D, Rapid Demould which is a fully pigmentable Vacuum Casting System. BJB also supply ranges of Shore A and D general purpose systems.

Shore A Flexible (F and ST series)
The F-Series is a line of fast demoulding systems that can be hand or machine cast. The ST series are high performance, hand castable systems, with high tear and tensile strengths.
 
Machine Cast (MC range)
Quick demouldable, machine cast materials exhibiting high impact and tough abrasion resistance.

Rigid Unfilled (TC range)
This comprehensive line-up of rigid casting urethanes is offered with prototyping and production in mind. These materials were formulated to simulate a wide array of thermoplastic products, such as ABS and Polycarbonate. With a vast range of work times, physical properties and fire-retardancy.70° to 84° Shore D Hand + Vacuum cast systems. Rapid demould, flame retardent and low shrinkage are all available from this range.

Rigid Filled (TC range)
Often referred to as filled fast-cast resins, these products are often used for making molds, holding fixtures and architectural models. These systems exhibit extremely low exotherm and low shrinkage. TC-812 can easily be machined or carved, making it ideal for model development.

Water Clear (WC)
This group of flexible and rigid casting resins has been designed for use in applications requiring tough, tintable and pigmentable materials that will also maintain clarity in outdoor applications. With an array of hardnesses and working times, these materials are excellent for fabricating parts of all kinds.

Foams
Rigid and flexible foams with densities from 2.5lb/cu ft to 20lb/cu ft. Common uses are bumpers, seat cushions, prosthesis components and puppets.
 
Speciality Polyurethane Systems
15° to 25° Shore A, used for a variety of applications from animatronics to electrical potting.
 

Brochures: See BJB Product Guide

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