rigid plastics

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• acrylics or acrylic plastics —    A range of rigid, light weight, weather resistant plastics, used commonly in the form of sheets, films, rods, and fibers, as well as in their liquid state for casting, coating, and adhesives. Acrylics are notable among plastics for their… …   Glossary of Art Terms

• foam plastics — foam plasticsor foamed plastics plural noun Cellular plastics, soft and flexible like sponges, or rigid, with excellent heat insulation properties • • • Main Entry: ↑foam …   Useful english dictionary

• foamed plastics — foam plasticsor foamed plastics plural noun Cellular plastics, soft and flexible like sponges, or rigid, with excellent heat insulation properties • • • Main Entry: ↑foam …   Useful english dictionary

• Properties and Applications of Commercially Important Plastics, Table — ▪ Table Table 1: Properties and Applications of Commercially Important Plastics   Polymer family and type density  (g/cm3)  degree of  crystallinity glass  transition  temperature  (° C) crystal  melting  temperature  (° C) deflection … …   Universalium

• Ultrasonic welding — is an industrial whereby high frequency ultrasonic acoustic vibrations are locally applied to workpieces being held together under pressure to create a solid state weld. It is commonly used for plastics, and especially for joining dissimilar… …   Wikipedia

• Thermoplastics — A thermoplastic is a plastic that melts to a liquid when heated and freezes to a brittle, very glassy state when cooled sufficiently. Most thermoplastics are high molecular weight polymers whose chains associate through weak Van der Waals forces… …   Wikipedia

• Barcol hardness test — The Barcol hardness test characterizes the indentation hardness of materials through the depth of penetration of an indentor, loaded on a material sample and compared to the penetration in a reference material. The method is most often used for… …   Wikipedia

• Recycling of PET bottles — is the collection, sorting and processing of bottles made out of PET in order to reuse the material out of which they are made.In many countries, PET plastics are coded with the resin identification code number 1 inside the universal recycling… …   Wikipedia

• urea formaldehyde — /juˌriə fɔˈmældəhaɪd/ (say yooh.reeuh faw malduhhuyd) noun a chemical used in the production of rigid plastics of many uses, as in particle board, adhesives, house insulation, etc …  

• RTPU — Rigid Thermoplastic Polyurethane (Miscellaneous » Plastics) …   Abbreviations dictionary

• plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …   Universalium