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Structural Thermoset Compounds™ - Technology
Structural Thermoset Compounds Product Matrix

Comparison of Structural Thermoset Compounds to Competing Materials

Material Specific
Gravity
Tensile
Strength
Elongation Tensile
Modulus
Linear
Coefficient
(CLTE)
Source
    Mpa % Mpa 10-6  
SMC 1.9 74 1.6 9000 12 SMC Alliance
Polypropylene 1 15 300 1400 60 Basell
Polycarbonate 1.2 55 150 2100 90 GE
Polyurethane 1.4 28 2.8 1300 45 Saechtling
Steel 7.85 410 28 210000 12 Dubbel
Aluminum 2.7 180 5 70000 24 Dubbel
st technologyst productsst markets
Structural Thermoset Compounds are ideal for:
Military & Aerospace Transportation Safety Medical
Electrical Oil & Gas Alternative
Energy
Marine

Structural Thermoset Compounds
Deliver Exceptional Strength and Design Flexibility

Structural Thermoset Compounds are engineered composites that represent a new product technology from IDI that addresses the needs of specific high-performance applications requiring exceptional strength and rigidity, plus resistance to extreme temperatures and corrosive environments. Structural thermosets consist of fiber reinforcement in a polymer resin. The fiber provides strength and stiffness, while the resin protects the fibers and gives the material its shape. The properties of a high-performance compound can be changed by varying the type and quantity of its ingredients. Fiber type, length, and mix proportion help determine properties such as strength and rigidity. Resin characteristics can be changed to provide the desired heat and corrosion resistance.

The most common thermoset resins are polyester, vinyl ester, polyurethane, and epoxy. Each of these resins has its own price and performance characteristics, so selection is based on the functional and cost requirements of the application. For instance, design engineers might choose vinyl ester resin for corrosion-resistant products, epoxy resin for high-strength applications, or polyester resin when good overall performance and cost are the driving factors.

As for reinforcement, many types of fiberglass materials can be used in structural thermosets, depending on the molding process and the product’s strength requirements. Glass reinforcement options include chopped strand, mat with random fiber orientation, light textile fabrics, heavy woven materials, knitted materials, and uni-directional fabrics. Fiber lengths range from 1/2-2.0 inches (12.7mm – 50.8mm) for SMC and 1/32-1/2 inch (.75-12.7mm) for BMC. IDI also offers carbon fiber reinforcement for applications that require exceptional strength coupled with severe weight restrictions.


Structural Thermoset Compound
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