GB/T 13171.1-2022Laundry powders - Part 1: Technical requirements (English PDF)

1 Scope

This document specifies the classification and marking, requirements, test methods, inspection rules, marking, packaging, transportation, storage of laundry powders.

This document applies to laundry powders, which are produced with surfactants and other additives.

2 Normative references

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

GB/T 13171.2 Laundry powder - Part 2: Test methods

GB/T 13174-2021 Determination of detergency and cycle of washing property for laundry detergents

GB/T 26396 Technical specification for safety of soaps and detergents

GB/T 36970 Instruction for use of consumer products - Labelling for detergents

JJF 1070 Rules of metrological testing for net quantity of products in prepackages with fixed content

QB/T 2951 Inspecting rules for detergent products

QB/T 2952 Requirements for detergent marking and packaging

3 Terms and definitions

There are no terms and definitions, that need to be defined, in this document.

4 Classification and marking

Laundry powder is divided into phosphorus-containing laundry powder and phosphorus-free laundry powder, according to whether polyphosphate and other raw materials containing phosphorus are added to the formula.

Phosphorus-containing laundry powders are divided into two categories: ordinary (A) and concentrated (B), which are marked as follows:

a) Ordinary (A), marked as "HL-A";

b) Concentrated (B), marked "HL-B".

Phosphorus-free laundry powders are divided into two categories: ordinary (A) and concentrated (B), which are marked as follows.

a) Ordinary (A), marked "WL-A".

b) Concentrated (B), divided into two types according to the total active substance content, type I and type II, which are marked as follows.

1) Type I: The products, which have a total active content of >= 13% and a nonionic surfactant content of >= 6.5%, are marked as "WL-B (Type I)";

2) Type II: The products, which have a total active content of >= 18% and no requirement for nonionic surfactant content, are marked as "WL-B (Type II)".

5 Requirements