T/ZZB 3504-2023 Active Group standards

T/ZZB 3504-2023 Plastic Machinery Hard Chrome Screw for Polycarbonate (PC) Transparent Materials

T/ZZB 3504-2023

Publish Date: 2023-11-24 Implement Date: 2023-12-10 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 3504-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Fasteners

ICS Name: Bolts, screws, and studs

Publish Date: 2023-11-24

Implement Date: 2023-12-10

Pages: 10 pages

Scope

Main technical content: This document specifies the terms and definitions, type structure, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of hard chrome-plated screws (hereinafter referred to as "screws") for transparent materials of polycarbonate (PC) in plastic machinery. This document is applicable to screws for transparent materials of polycarbonate (PC) in plastic machinery with a diameter not exceeding 350mm, an operating temperature not exceeding 300℃, and a surface produced by hard chrome plating. It is mainly used in the fields of injection molding or extrusion.