ASTM D788-16

Standard Classification System for Poly(Methyl Methacrylate) (PMMA) Molding and Extrusion Compounds

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STANDARD published on 1.9.2016


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The information about the standard:

Designation standards: ASTM D788-16
Publication date standards: 1.9.2016
SKU: NS-650882
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

The category - similar standards:

Other rubber and plastics products

Annotation of standard text ASTM D788-16 :

The purpose of this classification system is to provide a method of adequately identifying poly(methyl methacrylate) (PMMA) molding and extrusion compounds. These compounds are polymers based on methyl methacrylate, and at least 70 % of the polymer shall be polymerized from methyl methacrylate. Poly(methyl methacrylate) molding and extrusion compounds are classified into groups in accordance with their composition. These groups are subdivided into classes and grades: class 1, 2, 3, and 4; grade 1 - materials used where special ultraviolet transmission, filtering, or stabilization characteristics are not required, grade 2 - materials used for those specialized applications in which the greatest amount of transmission of UV light is required, and grade 3 - materials (transparent UV stabilized or transparent UV absorbing) used when either special resistance to slight color change over long exposure times or high-intensity UV radiation is required, or when the material is required to filter out ultraviolet light. The plastics composition shall be uniform and shall conform to the requirements specified.


Keywords:
acrylic, acrylic plastic, acrylic resins, clear weatherable plastics, line callout, plastic, plastic materials, PMMA, poly(methyl methacrylate), recycled, transparent plastics,, ICS Number Code 83.140.99 (Other rubber and plastic products)

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