![]() ![]() ![]() Twenty four hour process lines and recyclers routinely test incoming resin, the dryers and extruders and finished product. Material is tested at all stages from the R&D laboratories who develop new polymers and chemical companies who draw off samples from their polymerisation towers to the processors who want to control their process and quality of finished goods. The IV is used as part of the specification to select the right grade of PET for a particular application, and is measured at various points of the supply chain. Intrinsic Viscosity (IV) is a measure of the polymers molecular weight and therefore reflects the material’s melting point, crystallinity and tensile strength. The polymer chain length in PET determines the molecular weight of the material and with it the physical properties that make PET such a useful packaging material. Career - Shape Your Future with AMETEK STCīy: Toby Rogers, Director of Lloyd Instruments Materials Testing Equipment and Chatillon Force Testing Instruments.Talent Development, Diversity & Inclusion. ![]() Looking to Replace your Test Equipment?.International Standards - Wire, Yarn and Thread.International Standards - Textiles and Fabrics.International Standards - Plastics and Rubber.International Standards - Paper and Cardboard.International Standards - Medical Devices.International Standards - Electrical Components.International Standards - Building Products and Construction.International Standards - Adhesives and Sealants. ![]()
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