Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This standard was proposed by China National Light Industry Council.
This standard is under the jurisdiction of the National Technical Committee on Furniture of Standardization Administration of China (SAC/TC 480).
This document is issued for the first time.
Cribs
1 Scope
This document specifies the requirements and inspection rules and provides the corresponding test methods and the relevant terms and definitions concerning cribs.
This document is applicable to the production, inspection and sales of cribs with the internal length of bed base less than or equal to 900mm.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2828.3 Sampling procedures for inspection by attributes - Part 3: Skip-lot sampling procedures
GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1: Free and hydrolyzed formaldehyde (water extraction method)
GB/T 3920 Textiles - Tests for colour fastness - Color fastness to rubbing
GB/T 4893.4 Test of surface coatings of furniture - Part 4: Determination of adhesion - Cross cut
GB/T 4893.7 Test of surface coatings of furniture - Part 7: Determination of surface resistance to alternation of heat and cold
GB/T 4893.8 Test of surface coatings of furniture - Part 8: Determination of wearability
GB/T 6031 Rubber, vulcanized or thermoplastic - Determination of hardness (hardness between 10 IRHD and 100 IRHD)
GB/T 6672 Plastics film and sheeting - Determination of thickness by mechanical scanning
GB 6675.2-2014 Safety of toys - Part 2: Mechanical and physical properties
GB 6675.3-2014 Safety of toys - Part 3: Flammability
GB 6675.4-2014 Safety of toys - Part 4: Migration of certain elements
GB/T 6739 Paints and varnishes - Determination of film hardness by pencil test
GB/T 7573 Textiles - Determination of pH of aqueous extract
GB/T 10111 Generation of random numbers and procedures applied to sampling inspection for product quality
GB/T 13264 Sampling procedures and tables for small lot inspection by attributes for percent nonconforming items
GB/T 17592 Textiles - Determination of the banned azo colorants
GB/T 17657-2013 Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels
GB 19865-2005 Electric toys - Safety
GB/T 19941.1 Leather and fur - Determination of formaldehyde content - Part 1: High performance liquid chromatography method
GB/T 19942 Leather and fur - Chemical tests - Determination of banned azo colorants
GB/T 22048 Determination of certain phthalate esters in toys and children’s products
GB/T 23344 Textiles - Determination of 4-aminoazobenzene
GB/T 28202 Furniture industry terminology
GB/T 35607-2017 Green product assessment - Furniture
QB/T 1950 Determination of resistance to water of furniture surface coatings
QB/T 2537 Leather - Tests for colour fastness - Colour fastness to to-and-fro rubbing
QB/T 2724 Leather - Chemical tests - Determination of pH
QB/T 3826 Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products - Neutral salt spraying test (NSS)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 28202 and the following apply.
3.1
crib
furniture that provides a sleeping area for babies who have not been able to sit up on their own or pull or push their bodies up by hands and knees (such as crawling or kneeling)
3.2
cradle
crib (3.1) with a bed base that is suspended without ropes or similar structures and can rock, swing or move up and down, which is shown in Figure 1
a) Rocking crib b) Swing crib
Figure 1 Cradle
3.3
suspended crib
crib (3.1) with a bed base suspended by ropes or similar structures at one or more fixing points
3.4
bedside sleeper
crib (3.1) with guardrail on one side designed as the one that can be put down and spliced with the adult bed
3.5
mattress base
component that integrates bed base and mattress
3.6
access zone
all areas of the crib (3.1) except below the upper surface of the bed base when the baby can reach his/her hands through the guardrail; or all areas inside the crib (3.1) and the outer areas within 50mm below the upper edge of the guardrail when the baby can't reach his/her hands through the guardrail
4 Requirements
4.1 Appearance
Product appearance shall be in accordance with those specified in Table 1.
Table 1 Appearance requirements
S.N. Inspection item Requirements Item classification
Basic Ordinary
1 Appearance of wooden parts Through crack No through crack √ –
2 Damage by insects No damage by insects √ –
3 Rotten timber The external surface shall be free of rotten timber, and the slightly rotten area on the internal surface shall not exceed 20% of the part area √ –
4 Resin pocket The external surface and storage parts shall be made of materials without resin pockets – √
5 Knot For the complete live knot on external surface, the size shall not exceed 1/3 of the material width, and the diameter shall not exceed 12mm; for the incomplete live knot, the size shall not exceed 1/5 of the material width, and the diameter shall not exceed 10mm; the knot shall not be of through type, and its crack or damage shall be repaired, and the number of individual components shall not exceed 2; no rotten knot or seriously decayed knot shall be available (unless requited by special design) – √
6 Holes, inbarks, resin canals and gum canals Repair shall be carried out, and the number of defects after repair shall not exceed 4 on the external surface while not exceed 6 on the internal surface (unless requited by special design; the defect with the maximum single length or diameter of less than 5mm is ignored) √ –
7 Other minor defects Defects such as cracks (except through cracks) and wanes shall be repaired, and the proportion of the defect shall be less than 10% in length while less than 5% in width of the component – *√
8 Appearance of wood-based panel Frosting and water marks The external surface shall be free of frosting and water marks – √
9 The area of frosting and water marks on the internal surface shall not exceed 5% of panel surface – √
10 Spots One spot with an area within 30mm2 is allowed on the external surface of a panel – √
11 Surface scoring The external surface shall be free of obvious scoring – √
12 Surface depression The external surface shall be free of obvious depression – √
13 Color difference The external surface shall be free of obvious color difference – √
14 Blistering, cracking and delamination The external surface shall be free of blistering, cracking and delamination √ –
15 Appearance of hardware Electroplated parts The electroplated surface shall be free of rusty corrosion, burr and exposing undercoat √ –
16 The electroplated surface shall be smooth and flat, free of blistering, yellowing, mottling, burning, cracks, scoring and bumps, etc. – *√
17 Painted parts The coating shall be free from missing spraying and rust √
The coating shall be smooth, uniform in color and luster, and free from defects like sagging, lumping, wrinkling and splatter; components of the same color shall be uniform in color and luster, and free of fading or discoloring, and the coating shall be free of wrinkling, clamminess or paint leakage; shall be flat, smooth and clear, and free of obvious nibs and fatty edge; shall be free of obvious processing marks, scoring, cracks, fog gloss, sanding through the finish, white spots, blistering, greasy gloss, sagging, pitting, bristles, power deposit and mixed slag – *√
18 Metal alloy parts No rusty corrosion, oxide film debonding, cutting edges and sharp edges √
The surface shall have fine tissue, be free of cracks, burrs, dark spots, etc. – *√
19 Welded parts The welding position shall be firm, and free of sealing-off, false welding and melt through √ –
Welds shall be uniform and free of defects such as burrs, sharp edges, splashes and cracks – *√
20 Appearance of plastic parts The surface of plastic parts shall be smooth, free of cracks, wrinkles, stains and obvious color difference – *√
21 Soft cladded parts The pile fabric in the same part shall be consistent in fluff direction and free of obvious color difference – *√
22 The cladding fabric shall be free of scratches, color stains, oil stains, fuzzing and pilling – *√
23 The surface of soft cladding shall be flat, full, uniform in tightness, and free of obvious wrinkling; well-balanced and distinctively gradated in symmetric technical wrinkling, if any – *√
24 Soft-faced threading shall be smooth and straight; symmetrical at rounded corners; free of obvious floating thread, skipped stitches or exposed thread ends – *√
25 Exposed bubble nails shall be regularly arranged and basically equal-spaced; free from apparent flattening or depainting – *√
26 Woodworking Non-interface area of wood-based panel unit shall be subjected to edge banding or finishing treatment √ –
27 Panels and components shall be free of burrs, cutting edges or edges and corners on the accessible parts or storage parts √ –
28 The external surface of panels or components shall be smooth, and the chamfering, round corners and round lines shall be uniform and follow the principle of symmetry (except for design requirements) – *√
29 The facing, edge banding and post-forming edge banding shall be free of degumming, blistering or cracking √ –
30 The facing shall be tight and smooth, and free of obvious glue penetration – √
31 Joints such as tenon, block and parts shall not break or shall be free of obvious cracks or gaps √ –
33 The installation of various fittings and connectors shall be free from missing, leakage and penetration (except for reserved hole and selected hole) √ –
34 The installation of various fittings shall be tight, smooth, regular and firm, and the joint shall be free from cracking or loosening – √
35 The carved pattern shall be symmetrical, clear and distinctively gradated, the symmetrical parts shall be symmetrical, the concave and convex, large excavation, bridges, edges and corners and arcs shall be free of missing corners, and the bottom of the shovel shall be flat, and each part shall be free of hammering marks, chipping or burrs. The number of each defect shall not exceed 4. – *√
36 The alignment of the wood shall be consistent, the concave-convex steps shall be symmetrical, the symmetrical stairs shall be symmetrical, the turning lines shall be clear, and the machined surface shall be free of timber crumble, knife marks and sand mark. The number of each defect shall not exceed 4. – *√
37 Appearance of surface coating Components of the same color shall be uniform in color and luster – *√
38 No fading or discoloring √ –
39 The coating shall be free of wrinkling, clamminess or paint leakage √ –
40 The coating shall be flat, smooth and clear, and free of obvious nibs and fatty edge; shall be free of obvious processing marks, scoring, cracks, fog gloss, sanding through the finish, white spots, blistering, greasy gloss, sagging, pitting, bristles, power deposit and mixed slag. The number of each defect shall not exceed 4. – *√
Note: The “*” mark in the above table indicates that more than 2 (including 2) items are included in the single item. If one of the items fails to meet the requirements, it shall be counted as one failure. If a single defect is so significant that affects the quality of the product, it shall be judged as a basic item.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test method
6 Inspection rules
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This standard was proposed by China National Light Industry Council.
This standard is under the jurisdiction of the National Technical Committee on Furniture of Standardization Administration of China (SAC/TC 480).
This document is issued for the first time.
Cribs
1 Scope
This document specifies the requirements and inspection rules and provides the corresponding test methods and the relevant terms and definitions concerning cribs.
This document is applicable to the production, inspection and sales of cribs with the internal length of bed base less than or equal to 900mm.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2828.3 Sampling procedures for inspection by attributes - Part 3: Skip-lot sampling procedures
GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1: Free and hydrolyzed formaldehyde (water extraction method)
GB/T 3920 Textiles - Tests for colour fastness - Color fastness to rubbing
GB/T 4893.4 Test of surface coatings of furniture - Part 4: Determination of adhesion - Cross cut
GB/T 4893.7 Test of surface coatings of furniture - Part 7: Determination of surface resistance to alternation of heat and cold
GB/T 4893.8 Test of surface coatings of furniture - Part 8: Determination of wearability
GB/T 6031 Rubber, vulcanized or thermoplastic - Determination of hardness (hardness between 10 IRHD and 100 IRHD)
GB/T 6672 Plastics film and sheeting - Determination of thickness by mechanical scanning
GB 6675.2-2014 Safety of toys - Part 2: Mechanical and physical properties
GB 6675.3-2014 Safety of toys - Part 3: Flammability
GB 6675.4-2014 Safety of toys - Part 4: Migration of certain elements
GB/T 6739 Paints and varnishes - Determination of film hardness by pencil test
GB/T 7573 Textiles - Determination of pH of aqueous extract
GB/T 10111 Generation of random numbers and procedures applied to sampling inspection for product quality
GB/T 13264 Sampling procedures and tables for small lot inspection by attributes for percent nonconforming items
GB/T 17592 Textiles - Determination of the banned azo colorants
GB/T 17657-2013 Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels
GB 19865-2005 Electric toys - Safety
GB/T 19941.1 Leather and fur - Determination of formaldehyde content - Part 1: High performance liquid chromatography method
GB/T 19942 Leather and fur - Chemical tests - Determination of banned azo colorants
GB/T 22048 Determination of certain phthalate esters in toys and children’s products
GB/T 23344 Textiles - Determination of 4-aminoazobenzene
GB/T 28202 Furniture industry terminology
GB/T 35607-2017 Green product assessment - Furniture
QB/T 1950 Determination of resistance to water of furniture surface coatings
QB/T 2537 Leather - Tests for colour fastness - Colour fastness to to-and-fro rubbing
QB/T 2724 Leather - Chemical tests - Determination of pH
QB/T 3826 Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products - Neutral salt spraying test (NSS)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 28202 and the following apply.
3.1
crib
furniture that provides a sleeping area for babies who have not been able to sit up on their own or pull or push their bodies up by hands and knees (such as crawling or kneeling)
3.2
cradle
crib (3.1) with a bed base that is suspended without ropes or similar structures and can rock, swing or move up and down, which is shown in Figure 1
a) Rocking crib b) Swing crib
Figure 1 Cradle
3.3
suspended crib
crib (3.1) with a bed base suspended by ropes or similar structures at one or more fixing points
3.4
bedside sleeper
crib (3.1) with guardrail on one side designed as the one that can be put down and spliced with the adult bed
3.5
mattress base
component that integrates bed base and mattress
3.6
access zone
all areas of the crib (3.1) except below the upper surface of the bed base when the baby can reach his/her hands through the guardrail; or all areas inside the crib (3.1) and the outer areas within 50mm below the upper edge of the guardrail when the baby can't reach his/her hands through the guardrail
4 Requirements
4.1 Appearance
Product appearance shall be in accordance with those specified in Table 1.
Table 1 Appearance requirements
S.N. Inspection item Requirements Item classification
Basic Ordinary
1 Appearance of wooden parts Through crack No through crack √ –
2 Damage by insects No damage by insects √ –
3 Rotten timber The external surface shall be free of rotten timber, and the slightly rotten area on the internal surface shall not exceed 20% of the part area √ –
4 Resin pocket The external surface and storage parts shall be made of materials without resin pockets – √
5 Knot For the complete live knot on external surface, the size shall not exceed 1/3 of the material width, and the diameter shall not exceed 12mm; for the incomplete live knot, the size shall not exceed 1/5 of the material width, and the diameter shall not exceed 10mm; the knot shall not be of through type, and its crack or damage shall be repaired, and the number of individual components shall not exceed 2; no rotten knot or seriously decayed knot shall be available (unless requited by special design) – √
6 Holes, inbarks, resin canals and gum canals Repair shall be carried out, and the number of defects after repair shall not exceed 4 on the external surface while not exceed 6 on the internal surface (unless requited by special design; the defect with the maximum single length or diameter of less than 5mm is ignored) √ –
7 Other minor defects Defects such as cracks (except through cracks) and wanes shall be repaired, and the proportion of the defect shall be less than 10% in length while less than 5% in width of the component – *√
8 Appearance of wood-based panel Frosting and water marks The external surface shall be free of frosting and water marks – √
9 The area of frosting and water marks on the internal surface shall not exceed 5% of panel surface – √
10 Spots One spot with an area within 30mm2 is allowed on the external surface of a panel – √
11 Surface scoring The external surface shall be free of obvious scoring – √
12 Surface depression The external surface shall be free of obvious depression – √
13 Color difference The external surface shall be free of obvious color difference – √
14 Blistering, cracking and delamination The external surface shall be free of blistering, cracking and delamination √ –
15 Appearance of hardware Electroplated parts The electroplated surface shall be free of rusty corrosion, burr and exposing undercoat √ –
16 The electroplated surface shall be smooth and flat, free of blistering, yellowing, mottling, burning, cracks, scoring and bumps, etc. – *√
17 Painted parts The coating shall be free from missing spraying and rust √
The coating shall be smooth, uniform in color and luster, and free from defects like sagging, lumping, wrinkling and splatter; components of the same color shall be uniform in color and luster, and free of fading or discoloring, and the coating shall be free of wrinkling, clamminess or paint leakage; shall be flat, smooth and clear, and free of obvious nibs and fatty edge; shall be free of obvious processing marks, scoring, cracks, fog gloss, sanding through the finish, white spots, blistering, greasy gloss, sagging, pitting, bristles, power deposit and mixed slag – *√
18 Metal alloy parts No rusty corrosion, oxide film debonding, cutting edges and sharp edges √
The surface shall have fine tissue, be free of cracks, burrs, dark spots, etc. – *√
19 Welded parts The welding position shall be firm, and free of sealing-off, false welding and melt through √ –
Welds shall be uniform and free of defects such as burrs, sharp edges, splashes and cracks – *√
20 Appearance of plastic parts The surface of plastic parts shall be smooth, free of cracks, wrinkles, stains and obvious color difference – *√
21 Soft cladded parts The pile fabric in the same part shall be consistent in fluff direction and free of obvious color difference – *√
22 The cladding fabric shall be free of scratches, color stains, oil stains, fuzzing and pilling – *√
23 The surface of soft cladding shall be flat, full, uniform in tightness, and free of obvious wrinkling; well-balanced and distinctively gradated in symmetric technical wrinkling, if any – *√
24 Soft-faced threading shall be smooth and straight; symmetrical at rounded corners; free of obvious floating thread, skipped stitches or exposed thread ends – *√
25 Exposed bubble nails shall be regularly arranged and basically equal-spaced; free from apparent flattening or depainting – *√
26 Woodworking Non-interface area of wood-based panel unit shall be subjected to edge banding or finishing treatment √ –
27 Panels and components shall be free of burrs, cutting edges or edges and corners on the accessible parts or storage parts √ –
28 The external surface of panels or components shall be smooth, and the chamfering, round corners and round lines shall be uniform and follow the principle of symmetry (except for design requirements) – *√
29 The facing, edge banding and post-forming edge banding shall be free of degumming, blistering or cracking √ –
30 The facing shall be tight and smooth, and free of obvious glue penetration – √
31 Joints such as tenon, block and parts shall not break or shall be free of obvious cracks or gaps √ –
33 The installation of various fittings and connectors shall be free from missing, leakage and penetration (except for reserved hole and selected hole) √ –
34 The installation of various fittings shall be tight, smooth, regular and firm, and the joint shall be free from cracking or loosening – √
35 The carved pattern shall be symmetrical, clear and distinctively gradated, the symmetrical parts shall be symmetrical, the concave and convex, large excavation, bridges, edges and corners and arcs shall be free of missing corners, and the bottom of the shovel shall be flat, and each part shall be free of hammering marks, chipping or burrs. The number of each defect shall not exceed 4. – *√
36 The alignment of the wood shall be consistent, the concave-convex steps shall be symmetrical, the symmetrical stairs shall be symmetrical, the turning lines shall be clear, and the machined surface shall be free of timber crumble, knife marks and sand mark. The number of each defect shall not exceed 4. – *√
37 Appearance of surface coating Components of the same color shall be uniform in color and luster – *√
38 No fading or discoloring √ –
39 The coating shall be free of wrinkling, clamminess or paint leakage √ –
40 The coating shall be flat, smooth and clear, and free of obvious nibs and fatty edge; shall be free of obvious processing marks, scoring, cracks, fog gloss, sanding through the finish, white spots, blistering, greasy gloss, sagging, pitting, bristles, power deposit and mixed slag. The number of each defect shall not exceed 4. – *√
Note: The “*” mark in the above table indicates that more than 2 (including 2) items are included in the single item. If one of the items fails to meet the requirements, it shall be counted as one failure. If a single defect is so significant that affects the quality of the product, it shall be judged as a basic item.
Contents of QB/T 5659-2021
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test method
6 Inspection rules
