GB/T 41644-2022Fireworks and firecrackers—Inspection and testing method (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted.

1 Scope

This document describes the equipment and testing tools, sample preparation, testing and testing methods (including thermal safety test, vibration test, low temperature stability test, crash test, etc.).

This document applies to the inspection and testing of fireworks and firecrackers.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 6284 General Method for Determination of Moisture in Chemical Products Loss on Drying Method

GB/T 6682 Analysis Laboratory Water Specifications and Test Methods

GB/T 9724 General rules for the determination of pH value of chemical reagents

GB 10631 Fireworks Safety and Quality

GB 11652 Safety Technical Regulations for Fireworks and Firecrackers Operation

GB/T 15814.1 Qualitative Determination of Pyrotechnic Composition in Fireworks and Firecrackers

GB/T 18204.2 Hygiene Inspection Methods for Public Places Part 2: Chemical Pollutants

GB 19601 Limits and Determination of 23 Harmful Aromatic Amines in Dye Products

GB/T 21242 Qualitative test method for prohibited and restricted substances in fireworks and firecrackers

GB 24284 Safety technical regulations for the discharge of large-scale fireworks

GB/T 35030 fireworks emission height, emission deflection angle, radiation radius determination method

GB 50161 Safety Code for Engineering Design of Fireworks and Firecrackers

AQ 4115 General Guidelines for Preventing Static Electricity for Fireworks and Firecrackers

AQ/T 4122 Determination method of moisture absorption rate of fireworks and firecrackers

HJ 618 Determination of ambient air PM10 and PM2.5 gravimetric method

JC 1066 Limit of Hazardous Substances in Architectural Waterproof Coatings

3 Terms and Definitions

Terms and definitions defined in GB 10631 apply to this document.

4 Instruments and testing tools

4.1 Utility knives and other dissection tools.

4.2 Copper test sieve: the sieve diameter is 250 µm.

4.3 Temperature controlled oven: 55 °C ± 2.5 °C.

4.4 Temperature controlled oven: 130 °C ± 2.5 °C.