Thermosets Provide Versatility, Utility


Published on | Thermoset plastic makers manufacture this durable and highly useful product by adding catalysts, heat and pressure to resins. The end result is a plastic that is hard and strong and also highly resistant to heat. These plastics have a variety of applications, including insulating other components from heat and electricity, protecting metal components from wear and providing strong, lightweight structures.

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Thermosets Provide Versatility, Utility

  1. 1. Thermosets Provide Versatility, Utility
  2. 2. The Thermoset Manufacturing Process A-stage B-stage C-stage uncured raw stage semi-cured stage cured stage The diagram to the left describes the basic thermoset manufacturing process. • The base material is combined with a resin binder. • Once coated or saturated, the product is semi-cured in an oven. • Next, the product, now in its B-Stage, is cut into sheets and piled into stacks. The stacks are put in a hydraulic press where heat and pressure are applied. • The product may also be wound into tubes or rods and subsequently heated and cured.
  3. 3. A Long History Of Use Thermoset plastic has had a long record of usefulness in industry. The plastic was discovered in 1906 by Belgian chemist Dr. Leo Baekeland. • The original product found uses in molded cookware handles, radio and electric switches and other consumer products. • GE later improved upon Baekeland’s original formula by adding reinforcment such as cotton, paper & fiberglass. • Thermoset laminates were born when researchers stacked sheets of semi-cured “B-stage” and applied heat and pressure to them.
  4. 4. Why Thermosets Are Useful Thermoset plastic has a variety of properties that make them useful for various purposes. Some of the useful properties of thermosets are: • Resistance to heat. Because they do not melt, they’re useful in applications where the product will be exposed to high temperature and will need to retain its shape and properties. • High strength to weight ratio. • Do not conduct electricity. • Resistance to chemical corrosion. • Easily machinable to unique parts
  5. 5. Grades Thermoset plastics also come in a variety of grades, with differing grades being better suited to specific purposes than others. Common grades of thermoset plastic include: • • • • • • • Canvas Base Phenolic Linen Base Phenolic Paper Base Phenolic Glass Base Epoxy Glass Base Silicone Glass Base Melamine Glass Base Polyester
  6. 6. Multiple Forms Thermosets can be manufactured in a variety of forms. This diversity allows buyers of thermoset to obtain the plastic in the form they need for tooling, cutting or use as-is. Thermoset forms include: • • • • • Sheets Tubes Rods Panels Molded shapes
  7. 7. A Versatile Product Because of its many useful properties, thermosets are useful in a number of industries including: • Aerospace • Automobile manufacturing • Medical • Chemical • Electronics • Transportation • Machinery • Energy and more…
  8. 8. New Uses Although thermoset plastic has been around for more than a century, industries keep developing uses for it. Some of the newer uses for thermosets include: • Laser applications. • Cryogenic applications. • Rocket motor casings for aircraft ejector seats. • Uses in medical imaging devices.
  9. 9. About Accurate Plastics Accurate Plastics manufactures and sells thermoset plastic laminates to a variety of businesses and industries around the globe. The company has been in business for more than 30 years and is ISO-9000 certified. To find out more about how our products can suit your needs, visit