The Following 13 Chinese Mask Specifications Have Been Abolished, And The Division Has Been Replaced By The First Three Specifications:

Mar 05, 2020

The following 13 Chinese mask specifications have been abolished, and the division has been replaced by the first three specifications:

1.GB/T6224.4-1986 Test method for airflow respiration resistance of filter type anti-particle masks (obsolete, replaced by GB 2626-2006 respiratory protection products-self-priming filter type anti-particle respirator)

The standard was issued by the State Administration of Work Safety on 1986-04-09, and was abolished on 2006-12-01

2. GB / T6224.3-1986 Test method for dead space of filter anti-particle mask (obsolete, replaced by GB 2626-2006 Respiratory Protective Products-Self-priming Filter Anti-particulate Respirator)

The standard was issued by the State Administration of Work Safety on 1986-04-09, and was abolished on 2006-12-01

3.GB/T6224.2-1986 Test method for filtering efficiency of filter type anti-particle masks (obsolete, replaced by GB 2626-2006 Respiratory Protective Products-Self-priming Filtering Anti-particle Respirator)

Note: The standard was issued by the State Administration of Work Safety on 1986-04-09, and it was abolished on 2006-12-01.

4.GB/T6224.1-1986 Test method for total leakage rate of filter type anti-particle respirator (obsolete, replaced by GB 2626-2006 Respiratory Protective Products-Self-priming filter type anti-particle respirator)

The standard was issued by the State Administration of Work Safety on 1986-04-09, and was abolished on 2006-12-01

5.GB/T6223-1997 self-priming filter type anti-particle mask (obsolete, replaced by GB 2626-2006 respiratory protection products-self-priming filter type anti-particulate respirator)

The standard was promulgated by the State Technical Supervision Bureau in 1997-05-08. It originally replaced GB 6223-1986 and was invalidated in 2006-12-01.

6. GB / T2626-1992 General technical specifications for self-priming filter dust masks (obsolete, replaced by GB 2626-2006 Respiratory Protective Products-Self-priming Filter Anti-particulate Respirator)

This standard specifies the terms, classifications, technical requirements, test methods, inspection rules, signs, packaging, transportation, storage and use of self-priming filter dust masks (hereinafter referred to as dust masks). This standard applies to all types of dust masks produced, sold and used. This standard does not apply to respirators with an oxygen level below 18% and toxic gases in the environment. The standard was issued by the State Technical Supervision Bureau in 1992-09-02, and it was invalidated in 2006-12-01