GB21551.5-2010
Antibacterial and cleaning function for household and similar electrical appliances - Partilicular requirements for electric washing machine
家用和类似用途电器的抗菌、除菌、净化功能 洗衣机的特殊要求
GB 21551.5-2010 is a current mandatory Chinese national standard for Antibacterial and cleaning function for household and similar electrical appliances - Partilicular requirements for electric washing machine. It appears in the Electronics compliance cluster with a product safety focus and has an implementation date of Sep 15, 2011.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
This standard applies to fully automatic electric washing machines intended for household and similar use that explicitly claim to have antibacterial and sterilizing functions. It is mandatory for all manufacturers declaring such features. Please note that ordinary single-tub and double-tub washing machines are excluded from this scope. It is used in conjunction with GB 21551.1-2008.
Technical requirements
The standard specifies the essential hygiene safety requirements and sterilization performance for applicable washing machines. It defines specific terms such as ozone eliminating bacterial, silver ion eliminating bacterial, and high temperature eliminating bacterial (where high temperature is defined as washing temperatures ≥80°C). Regarding performance, the standard mandates that the eliminating bacterial rate must meet a minimum threshold after a standard wash cycle. Furthermore, the standard sets durability requirements, requiring the washing machine to maintain a specific sterilization rate after continuous operation for a designated number of cycles or hours, depending on whether it is an impeller/agitator or drum type. Manufacturers must also comply with strict labeling requirements. The user manual must clearly state the type of sterilization function, the achieved bacterial elimination rate, performance degradation over the lifespan, and any parts requiring replacement or cleaning.
Testing methods
The evaluation involves a comparative test between a control group (standard wash without sterilization) and a test group (standard wash with sterilization). The test uses specific cotton cloth loads and sample blocks contaminated with Staphylococcus aureus and Escherichia coli. The eliminating bacterial rate is calculated by comparing the residual viable bacteria counts before and after the wash cycle.
FAQs
What products are regulated under GB 21551.5-2010?
It regulates fully automatic electric washing machines for household use that claim antibacterial or sterilizing functions. Ordinary single or double-tub machines are not covered.
What are the specific bacteria used for testing in this standard?
The standard specifies the use of Staphylococcus aureus and Escherichia coli to evaluate the eliminating bacterial rate.
Are there durability requirements for the sterilization function?
Yes, the washing machine must maintain a minimum sterilization rate after continuous operation for 2000 cycles (impeller/agitator type) or 2300 hours (drum type).
The summary above provides a high-level overview of GB 21551.5-2010. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 21551.5-2010 today to access all detailed parameters, tables, and testing procedures.
Applicability hints
- Type
- Health and hygiene
- CCS
- Y60
- ICS
- 03.080.01
- Competent department
- Ministry of Industry and Information Technology
- Technical committee
- Ministry of Industry and Information Technology