GB/T 16799-2018 English PDF (GB/T16799-2018)

GB/T 16799-2018: Furniture leather
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GB/T 16799-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.140.30
Y 46
Replacing GB/T 16799-2008
Furniture leather
ISSUED ON: DECEMBER 28, 2018
IMPLEMENTED ON: JULY 01, 2019
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Requirements ... 5 
4 Gradation ... 6 
5 Test method ... 6 
6 Inspection rules ... 8 
7 Marking, packaging, transportation and storage ... 9 
Furniture leather
1 Scope
This Standard specifies the requirements, gradation, test methods, inspection
rules, marking, packaging, transportation and storage of furniture leather.
This Standard applies to all kinds of furniture leather.
This Standard does not apply to action leather.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
GB/T 4689.20, Leather - Determination of adhesion of finish
GB/T 19941, Leather and fur - Chemical tests - Determination of
formaldehyde content
GB/T 19942, Leather and fur - Chemical tests - Determination of banned azo
colorants
GB 20400-2006, Leather and fur - Limit of harmful matter
GB/T 22889, Leather - Physical and mechanical tests - Determination of
surface coating thickness
GB/T 22930, Leather and fur - Chemical tests - Determination of heavy metal
content
QB/T 2464.23, Determination Method for Color Fastness of Leather to
Perspiration
QB/T 2537, Leather - Tests for colour fastness - Colour fastness to cycles of
to-and-fro rubbing
QB/T 2714, Leather - Physical and mechanical tests - Determination of flex
resistance
QB/T 2724, Leather - Chemical tests - Determination of pH
Perform the test according to GB/T 22930.
5.2 Sensory requirements
Under natural light, choose a sight distance that can be seen clearly, and use
the senses to test.
6 Inspection rules
6.1 Batch
Products of the same variety that are put into production with the same variety
of raw materials and produced according to the same production process form
an inspection batch.
6.2 Delivery inspection
Products shall be inspected before leaving the factory; only after passing the
inspection and attaching a certificate of quality, can they leave the factory.
6.3 Type inspection
6.3.1 Timing of inspection
In any of the following cases, type inspection shall be carried out:
a) when there are major changes in raw materials, processes, and chemical
materials;
b) when the product is put back on production after a long time (six months)
of suspension;
c) when all levels of the national quality supervision institutions propose a
requirement to carry out type inspection.
d) Under normal production, type inspection shall be carried out at least once
half a year.
6.3.2 Sampling amount
Randomly select 3 sheets (pieces) from the products that have passed the
inspection for inspection.
6.3.3 Judgment of conformity
6.3.3.1 Judgment principle of a single sheet (piece)
GB/T 16799-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.140.30
Y 46
Replacing GB/T 16799-2008
Furniture leather
ISSUED ON: DECEMBER 28, 2018
IMPLEMENTED ON: JULY 01, 2019
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Requirements ... 5 
4 Gradation ... 6 
5 Test method ... 6 
6 Inspection rules ... 8 
7 Marking, packaging, transportation and storage ... 9 
Furniture leather
1 Scope
This Standard specifies the requirements, gradation, test methods, inspection
rules, marking, packaging, transportation and storage of furniture leather.
This Standard applies to all kinds of furniture leather.
This Standard does not apply to action leather.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
GB/T 4689.20, Leather - Determination of adhesion of finish
GB/T 19941, Leather and fur - Chemical tests - Determination of
formaldehyde content
GB/T 19942, Leather and fur - Chemical tests - Determination of banned azo
colorants
GB 20400-2006, Leather and fur - Limit of harmful matter
GB/T 22889, Leather - Physical and mechanical tests - Determination of
surface coating thickness
GB/T 22930, Leather and fur - Chemical tests - Determination of heavy metal
content
QB/T 2464.23, Determination Method for Color Fastness of Leather to
Perspiration
QB/T 2537, Leather - Tests for colour fastness - Colour fastness to cycles of
to-and-fro rubbing
QB/T 2714, Leather - Physical and mechanical tests - Determination of flex
resistance
QB/T 2724, Leather - Chemical tests - Determination of pH
Perform the test according to GB/T 22930.
5.2 Sensory requirements
Under natural light, choose a sight distance that can be seen clearly, and use
the senses to test.
6 Inspection rules
6.1 Batch
Products of the same variety that are put into production with the same variety
of raw materials and produced according to the same production process form
an inspection batch.
6.2 Delivery inspection
Products shall be inspected before leaving the factory; only after passing the
inspection and attaching a certificate of quality, can they leave the factory.
6.3 Type inspection
6.3.1 Timing of inspection
In any of the following cases, type inspection shall be carried out:
a) when there are major changes in raw materials, processes, and chemical
materials;
b) when the product is put back on production after a long time (six months)
of suspension;
c) when all levels of the national quality supervision institutions propose a
requirement to carry out type inspection.
d) Under normal production, type inspection shall be carried out at least once
half a year.
6.3.2 Sampling amount
Randomly select 3 sheets (pieces) from the products that have passed the
inspection for inspection.
6.3.3 Judgment of conformity
6.3.3.1 Judgment principle of a single sheet (piece)