T/ZZB 3504-2023 Active
T/ZZB 3504-2023 Plastic Machinery Hard Chrome Screw for Polycarbonate (PC) Transparent Materials
Abstract
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.
General Product Information
| Document Type | Group standards |
|---|---|
| Standard Status | Active |
| Standard Code | T/ZZB 3504-2023 |
| CCS | Fasteners |
| ICS | Bolts, screws, and studs |
| Implement Date | 2023-12-10 |