LY/T 1859-2020Antique style flooring (English PDF)

5.1 Dimensional deviation

5.1.1 The size deviation of antique solid wood flooring should meet the requirements of Table 1.

5.1.2 The size deviation of antique solid wood integrated floor shall meet the requirements of Table 2.

5.1.3 The size deviation of antique solid wood composite floor should meet the requirements of Table 3.

5.1.4 The size deviation of the antique impregnated paper laminated wood floor shall meet the requirements of Table 4.

5.1.5 The size deviation of antique bamboo laminated timber flooring should meet the requirements of Table 5.

5.2 Appearance quality

5.2.1 The appearance quality of antique solid wood flooring, antique solid wood integrated flooring, and antique solid wood composite flooring should meet the requirements of Table 6.

5.2.2 The appearance quality of the antique impregnated paper laminated wood floor should meet the requirements of Table 7.

5.2.3 The appearance quality of antique bamboo laminated timber flooring should meet the requirements of Table 8.

Note 1.Not obvious—Under the environmental conditions of appearance quality inspection, it is not easy to distinguish by naked eye observation.

Note 2.Slight-under the environmental conditions of appearance quality inspection, it is not obvious by naked eye observation.

Note 3.Bubbling, pinholes, wrinkled skin, leaking paint, particles, and bulging are the inspection items for painted laminated bamboo flooring.

5.3 Physical and chemical properties

5.3.1 The physical and mechanical performance indexes of antique solid wood flooring should meet the requirements of Table 9.

Note 1.The moisture content refers to the moisture content of the floor in the unopened package. See Appendix A for the equilibrium moisture content of various regions in my country.

Note 2.The paint film adhesion and paint film hardness are not tested for plain floor and oiled floor.

5.3.2 The physical and mechanical performance indexes of antique solid wood integrated flooring should meet the requirements of Table 10.

Note 1.The moisture content refers to the moisture content of the floor in the unopened package. See Appendix A for the equilibrium moisture content of various regions in my country.

Note 2.The paint film adhesion is not tested for plain floor and oiled floor.

Note 3.Solid wood integrated flooring with vertical splicing detects static bending strength, and solid wood integrated flooring with horizontal splicing detects dipping and peeling.

5.3.3 The physical and chemical performance indexes of antique solid wood composite flooring should meet the requirements of Table 11.

Note 1.Plain floors and oil-decorated floors are not tested for paint film adhesion, surface pollution resistance, and paint film hardness.

Note 2.When using suspended paving, the two-layer solid wood composite floor with the panel perpendicular to the bottom texture or the solid wood composite floor with horizontal grooves on the back is not subject to static bending Strength and modulus of elasticity.

5.3.4 The physical and chemical performance indexes of antique impregnated paper laminated wood floor shall meet the requirements of Table 12.

5.3.5 The physical and chemical performance indexes of antique bamboo laminated timber flooring should meet the requirements of Table 13.

Note. In the dipping and peeling test, the peeling length of a single adhesive layer on the end surface of the side panel floor does not exceed 1/3 of the adhesive layer, and the peeling of the floor surface is not counted.

6.1 Dimensional inspection

6.1.1 The specification and size inspection of antique solid wood flooring shall be in accordance with the provisions of 3.1 in GB/T 15036.2-2018 get on. The inspection of warpage should take the back of the floor as the reference surface and inspect the size of the back. thick the relative highest point should be used as the reference thickness for the measurement of degree.

6.1.2 The specification and size inspection of antique solid wood integrated floor shall be in accordance with the provisions in 6.1 of LY /1614-2011 get on. The inspection of warpage should take the back of the floor as the reference surface and inspect the size of the back. thick for degree inspection, the relative highest point shall be used as the reference thickness.

6.1.3 The size inspection of antique solid wood composite floor is in accordance with GB/T 18103-2013 in 6.2 Definitely proceed. The inspection of warpage should take the back of the floor as the reference surface and inspect the size of the back.

The thickness inspection shall use the relative highest point as the reference thickness.

6.1.4 The specification and size inspection of antique impregnated paper laminated wood flooring is in accordance with GB/T 18102-2007

6.1 Provisions. The thickness inspection shall use the relative highest point as the reference thickness.

6.1.5 The size inspection of antique bamboo laminated timber flooring shall be determined in accordance with 6.1 of GB/T 20240-2017 get on. The thickness inspection shall use the relative highest point as the reference thickness.

6.2 Appearance quality inspection

6.2.1 Appearance quality inspection conditions shall be carried out in accordance with 6.1 of GB/T 15102-2017.

6.2.2 The appearance quality of antique wooden floors shall be inspected one by one through visual inspection or measurement.

6.3 Physical and chemical performance inspection

6.3.1 When testing the physical and mechanical properties of antique wooden floors, the test piece does not need to be balanced.

6.3.2 Physical and mechanical performance inspection of antique solid wood flooring

6.3.2.1 Carry out in accordance with the provisions of 3.3 in GB/T 15036.2-2018.

6.3.2.2 The paint film adhesion and paint film hardness test pieces shall be selected from the flat texture.

6.3.2.3 The paint film hardness inspection shall be carried out in accordance with 4.57 of GB/T 17657-2013.Just make one piece the test piece, the size of the test piece is 250mm×the plate width, and it is made at any part of the sample. Pencil hardness used for H, observe whether the coating is scratched.

6.3.3 Physical and chemical performance test of antique solid wood integrated floor

6.3.3.1 According to LY/T 1614-2011, 6.3.

6.3.3.2 The paint film adhesion test piece shall be selected from the texture flat part, and the inspection shall be in accordance with GB/T 17657-2013 According to 4.56, the cutting distance is 2mm.

6.3.4 Physical and chemical performance test of antique solid wood composite floor

6.3.4.1 Carry out in accordance with 6.3 of GB/T 18103-2013.

6.3.4.2 The test pieces for paint film adhesion, paint film hardness, and pollution resistance shall be selected from flat texture areas.

6.3.4.3 The paint film hardness inspection shall be carried out in accordance with 4.57 of GB/T 17657-2013.Just make one piece the test piece, the size of the test piece is 250mm×the plate width, and it is made at any part of the sample. Pencil hardness used for H, observe whether the coating is scratched.

6.3.4.4 The surface pollution resistance performance inspection shall be carried out according to 4.41 method 2 in GB/T 17657-2013.

The contaminants are black coffee and 10% citric acid, the size of the test piece is 100mm×100mm, 2 pieces.

6.3.4.5 The paint film adhesion inspection shall be carried out in accordance with the provisions of 4.56 in GB/T 17657-2013, cutting the spacing is 2mm.

6.3.5 Physical and chemical performance inspection of antique impregnated paper laminated wood flooring

6.3.5.1 Carry out in accordance with 6.3 of GB/T 18102-2007.

6.3.5.2 During the internal bond strength test, if the surface of the test piece is non-planar, the surface shall be processed Into a plane.

6.3.5.3 The test specimens for surface wear resistance and surface contamination resistance shall be selected from flat texture areas.

6.3.5.4 The surface resistance of antique impregnated paper laminated wood flooring is tested according to GB/T.

According to 4.37 in 17657-2013, the test piece size is 100mm×100mm, 3 pieces.

6.3.5.5 The surface of the antique impregnated paper laminated wood floor is tested for resistance to cigarette burning according to GB/T 17657-2013 stipulated in 4.45, the test piece size is 100mm×100mm, 3 pieces.

6.5.5.6 The dry heat resistance test of the surface of antique impregnated paper laminated wood floor shall be in accordance with GB/T 17657-2013 stipulated in 4.46, the test piece size is 230mm × board width, 1 piece.

6.3.5.7 The pollution and corrosion resistance of the antique impregnated paper laminated wood floor shall be tested according to GB/T 17657-2013 4.41 Method 2 was carried out, the contaminants were black coffee and 10% citric acid, the test piece size Inch 100mm×100mm, 2 pieces.

6.3.5.8 The surface cracking test of antique impregnated paper laminated wood floor shall be in accordance with GB/T 17657-2013 stipulated in 4.36, the test piece size is 250mm × plate width, 1 piece.

6.3.6 The physical and chemical properties of antique bamboo laminated timber flooring shall be tested in accordance with 6.3 of GB/T 20240-2017 get on.

6.3.7 Antique solid wood integrated floor, antique solid wood composite floor, antique impregnated paper laminated wood floor, the formaldehyde emission inspection of antique bamboo laminated timber flooring shall be carried out in accordance with GB 18580.

7.1 Inspection classification

7.1.1 Inspection is divided into factory inspection and type inspection.

7.1.2 The factory inspection includes.

a) Appearance quality inspection;

b) Specification and size inspection;

c) Physical and chemical performance test. the moisture content and paint film adhesion in the antique solid wood floor; the impregnation and peeling, containing Water content and paint film adhesion; impregnation peeling, moisture content and paint film adhesion in antique solid wood composite floor; antique impregnated paper laminated wood floor Water absorption thickness expansion rate, surface abrasion resistance, surface crack resistance, surface pollution resistance and moisture content; impregnation and peeling in antique bamboo laminate flooring, Water content and paint film adhesion.

7.1.3 The type inspection includes the overall appearance quality, specifications, dimensions, and physical and chemical properties of the corresponding product categories.

Ministry of inspection items.

7.1.4 During normal production, the type inspection shall not be less than once a year. In one of the following situations, Type inspection should be carried out.

a) When the raw and auxiliary materials and production process undergo major changes;

b) When production has been suspended for more than three months, when production resumes;

c) When a new product is put into production or converted;

d) When the quality supervision agency requests for type inspection.

7.2 Sampling method and determination principle

7.2.1 The samples for the inspection of antique wooden floors should be taken from the same batch, the same specification and the same variety, unopened and well-packaged products.

7.2.2 The sampling method and determination principle of antique solid wood flooring shall be carried out in accordance with 4.2 of GB/T 15036.2-2018.

7.2.3 The sampling method and judgment principle of antique solid wood integrated floor shall be carried out in accordance with 7.2 of LY/T 1614-2011.

7.2.4 The sampling method and determination principle of antique solid wood composite floor shall be carried out in accordance with 7.2 of GB/T 18103-2013.

7.2.5 The sampling method and judgment principle of antique impregnated paper laminated wooden floor shall be carried out in accordance with the provisions in 7.3 of GB/T 18102-2007.

7.2.6 The sampling method and determination principle of antique bamboo laminated timber flooring shall be carried out in accordance with the provisions of 7.4 of GB/T 20240-2017.

7.3 Comprehensive judgment

When the appearance quality, size and physical and chemical properties of various products of antique wooden floor are in line with the technical requirements of the corresponding product category when requested, it is judged as qualified.

8.1 Identification

According to the corresponding marking requirements of various products of antique wooden floor.

8.2 Packaging

According to the corresponding packaging requirements of various products of antique wooden floor.

8.3 Transportation and storage

According to the corresponding transportation and storage requirements of various products of antique wooden floor.

Appendix A

(Normative appendix) Balanced moisture content of timber in all provinces (regions) and municipalities in my country See Table A.1 for the equilibrium moisture content of timber in various provinces (regions) and municipalities in my country.