Standard Test Method for Static and Kinetic Coefficients of Friction of Plastic Film and Sheeting to ASTM D
	Zwick has developed a complete testing system for carrying out the coefficient of friction tests according to ASTM D1894.
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	Testing of Thermoplastic and Thermosetting Materials
	Raw materials characterization requires uniform sample preparation and test conditions to obtain comparable test data.
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	Testing of Semi-Finished and Finished Products
	The tests encompass either the functional testing of a complete part or functional unit or the testing of samples taken from finished parts. The results obtained generally depend on the design and manufacturing process. Therefore this application field is characterized by many different test types, sometimes calling for special test setups and testXpert® software solutions for out-of-standard test procedures.
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	Testing of Thin Sheeting and Plastic Film
	Plastic film is used for many different applications: the packing industry, medical field, agriculture, and the building industry are only a few examples. The broad range of film production and further processing processes available leads to varying requirements regarding the best adapted test methods to be used. Zwick testing equipment is designed to fit these specific requirements, covering a large range in mechanical testing. Melt-flow plastometers characterize incoming thermoplastic materials. Universal testing machines give precise and reliable information about the tensile stress-strain behavior as well as about adhesion forces between layers, friction coefficients, puncture resistance or bending characteristics. Pendulum impact testers are designed to check tensile characteristics at higher speeds.
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	Testing of Plastic Pipes and Fittings
	Piping systems made from thermoplastic materials or glass-reinforced thermosetting plastics are used mainly for water and gas transport. They are subject to high quality and certification levels. Therefore, a large number of international and national standards which specify the testing requirements are available. Both the characteristics of the plastics and those of the finished pipe have to be tested.
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	Testing of Soft Foams
	Soft foams are used to create comfort. The principal characteristics are damping and insulation. Technical foams are employed for bedding, seat cushions in furniture and car seats as well as diverse purposes in thermal and acoustic insulation. Further application fields are filtration, packaging, seals, and sponges.
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