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ASTM D5857-17(2024)
Standard Specification for Polypropylene Injection and Extrusion Materials Using ISO Protocol and Methodology
NORMA vydaná dňa 1.2.2024
Informácie o norme:
Označenie normy: ASTM D5857-17(2024)
Dátum vydania normy: 1.2.2024
Kód tovaru: NS-1166213
Počet strán: 20
Približná hmotnosť: 60 g (0.13 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM D5857-17(2024) :
This specification covers polypropylene materials suitable for injection molding and extrusion. Polymers consist of polypropylene homopolymers, polypropylene copolymers, and polypropylene-elastomer compounds produced with or without the addition of impact modifiers (ethylene-propylene rubber, polyisobutylene rubber, and butyl rubber, and so forth), colorants, stabilizers, lubricants, fillers, or reinforcements. Unreinforced polypropylene materials are classified into groups in accordance with basic composition. These groups are subdivided into classes and grades. The plastic composition shall be uniform and shall conform to the requirements specified. Tests shall be performed to determine the properties of the material in accordance with the following test methods: flow rate; tensile strength; flexural modulus; Charpy impact resistance; falling mass impact resistance; temperature of deflection under load; and multiaxial impact ductile-brittle transition temperature.
Keywords:
injection and extrusion materials, polypropylene, recycled,, ICS Number Code 83.040.20 (Rubber compounding ingredients)
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