GB/T 46836-2025 Active National standards

GB/T 46836-2025 Plastics—Reaction to fire—Test method for flame spread and combustion product release from vertically oriented specimens

Publish Date: 2025-12-02 Implement Date: 2026-07-01 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: GB/T 46836-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods for synthetic resins and plastics

ICS Name: Plastic Composite

Publish Date: 2025-12-02

Implement Date: 2026-07-01

Pages: 36 pages

Scope

This document describes a method for determining the heat release rate, ignitability, surface spread of flames, and the generation of combustion droplets/particles and smoke of plastics during the early stages of fire development, using "medium-sized" specimens.
This document is suitable for factory production control, research and product development, as well as screening tests for medium-sized and large-sized experiments; it is applicable to the comparison of fire response performance of various materials, products, composites, or components under final use conditions.
This document is suitable for specimens with a heat release rate of less than 10 kW.