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 1.1-2009.
This standard replaces GB/T 22374-2008 Floor coatings.
In addition to a number of editorial changes, the following technical changes have been made with respect to GB/T 22374-2008 (the previous edition):
——the terms and definitions are modified (see Clause 3; Clause 3 in Edition 2008);
——the product classification is modified (see 4.1; 4.1 in Edition 2008);
——the items “total content of glycol ether and ether ester, total content of phthalic acid esters, free 4,4'-diaminodiphenylmethane (MDA), total volatile organic compound (TVOC) emission and formaldehyde emission" are added (see Table 1; Table 2 in Edition 2008);
——the item "stretching adhesive strength" is added in and “adhesion” is deleted from priming coat (see Table 2; Table 3 in Edition 2008);
——the technical requirements for floating coat of floor coatings are added (see Table 3);
——in top coat basic performance “stretching adhesive strength” is added for waterborne and solvent-borne floor coatings, “artificial weather resistance” for outdoor floor coating, “initial fluidity” for self-leveling floor coating, and “adhesion” is deleted from it (see Table 4; Table 4 in Edition 2008);
——the technical requirements for top coating of polymer cement floor coating are added (see Table 5);
——in top coat special performance items “elasticity”, “coating resistance to temperature change”, “scratch resistance” and “hot tire indentation resistance” are added, and “fluidity”, “stretching adhesive strength” and “artificial weather resistance” are deleted (see Table 6; Table 5 in Edition 2008);
——the test methods for volatile organic compound (VOC) content and free formaldehyde are modified (see 6.2.3, 6.2.4; 6.3.1 and 6.3.2 in Edition 2008);
——the test substrate is changed from asbestos cement sheet into non-asbestos fiber cement flat sheet (see 6.3.1.1.1; 6.2.1.1 in Edition 2008).
——the normative Annex B is added (see Annex B) and the normative Annex A is modified (see Annex A; Annex A in Edition 2008).
This standard was proposed by China Building Materials Federation.
This standard is under the jurisdiction of SAC/TC 195 National Technical Committee on Constructional Materials and Decorative Materials of Standardization Administration of China.
The previous edition of standard replaced by this standard is as follows:
——GB/T 22374-2008.
Floor coatings
1 Scope
This standard specifies terms and definitions, classification and mark, requirements, test methods, inspection rules, marking, packaging, transport and storage of floor coatings.
This standard is applicable to synthetic resin-based and polymer cement floor coating applied to cement mortar, concrete and other base surfaces for decoration, protection and special functions like anti-static, anti-slip, etc. of the ground.
2 Normative references
The following referenced documents are indispensable for the application 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 250 Textiles - Tests for color fastness - Grey scale for assessing change in color
GB/T 1633-2000 Plastics - Thermoplastic materials - Determination of vicat sofening temperature (VST)
GB/T 1728-1979 Methods of test for drying time of coatings of paints and putties
GB/T 1731 Determination of flexibility of films
GB/T 1766 Paints and varnishes - Rating schemes of degradation of coats
GB/T 1768 Paints and varnishes - Determination of resistance to abrasion - Rotating abrasive rubber wheel method
GB/T 1865-2009 Paints and varnishes - Artificial weathering and exposure to artificial radiation - Exposure to filtered xenon-arc radiation
GB/T 2411-2008 Plastics and ebonite - determination of indentation hardness by means of a duronmeter (Shore Hardness)
GB/T 2567-2008 Test methods for properties of resin casting body
GB/T 4100-2015 Ceramic tile
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GIVT 6739 Paints and varnishes - Determination of film hardness by pencil test
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB 8624 Classification for burning behavior of building materials and products
GB/T 9271 Paints and varnishes - standard panels for testing
GB/T 9274-1988 Paints and varnishes - Determination of resistance to liquids
GB 9743 Passenger car tyres
GB/T 9754 Paints and varnishes - Determination of specular gloss of non-metallic paint films at 20°, 60°and 85°
GB/T 9779-2015 Multi-layer coatings for architecture
GB/T 9780-2013 Test method for dirt pickup resistance and stain removal of film of architectural coatings and paint
GB/T 11186.2-1989 Methods for measuring the colour of paint films - Part 2: Colour measurement
GB 11614 Plate glass
GB/T 13491 General rule for packing of coatings
GB/T 17671 Method of testing cements - Determination of strength (ISO Method)
GIVT 18446 Binders for paints and varnishes - determination of monomeric diisocyanates in isocyanate resins
GB 18581-2009 Indoor decorating and refurbishing materials - Limit of harmful substances of solvent based coatings for woodenware
GB 18582-2008 Indoor decorating and refurbishing materials - Limit of harmful substances of interior architectural coatings
GB 18583-2008 Indoor decorating and refurbishing materials - Limit of harmful substances of adhesives
GB/T 23985-2009 Paints and varnishes - Determination of volatile organic compound (VOC) content - Difference method
GB/T 23993 Determination of formaldehyde content of waterborne coatings - Spectrophtometric method with acetylacetone
GB 24408-2009 Limit of harmful substances of exterior wall coatings
GB 24613 Limit of harmful substances of coatings for toys
JC/T 412.1-2006 Fiber cement flat sheets - Part 1: Non-asbestos fiber cement flat sheets
JC/T 547 Adhesives for ceramic tiles
JC/T 985-2017 Cementitious self-leveling floor mortar
JC/T 2327-2015 Waterborne polyurethane screed material
JG/T 25 Test method for temperature change resistance of architectural coatings
JG/T 481-2015 Water-based interior wall coating with low-emission volatile organic compounds (VOC)
SJ/T 11294 General specification of floor coating for electrostatic protection
YB/T 4086-2017 Steel wool fiber
3 Terms and definitions
For the purpose of this document, the terms and definitions given in GB 18582-2008 and JG/T 481-2015 and the following apply.
3.1
volatile organic compound (VOC)
all organic compounds of which the initial boiling point is lower than or equal to 250℃ under the standard atmosphere pressure 101.3kPa
[GB 18582-2008, Definition 3.1]
3.2
total volatile organic compound (TVOC)
total collection of volatile organic compounds with retention time between n-hexane and n-hexadecane when analyzed with a non-polar column (with a polarity index less than 10)
[JC/T 481-2015, Definition 3.2]
3.3
waterborne floor coaling
synthetic resin-based floor coating with water as the main dispersion medium
3.4
solvent-borne floor coating
floor coating with volatile organic compounds, which will not become component of the coating after solidification, as dispersion medium
3.5
solvent-free floor coating
floor coating with organic compounds, which will exist as film-forming substance after solidification, as dispersion medium
3.6
polymer cement floor coating
floor coating formulated by adopting water-based polymer and cement-based cementitious materials, into which fillers, aggregates and other additives are added
3.7
organic crosslinking reaction polymer cement floor coating
floor coating formulated by adopting multi-component reactive polymer (polyurethane) and cement-based cementitious materials, into which fillers, aggregates and other additives are added
3.8
non-organic crosslinking reaction polymer cement floor coating
floor coating formulated by adopting single-component polymer (powder or emulsion) and cement-based cementitious materials, into which fillers, aggregates and other additives are added
3.9
floor coating system
multi-layer flooring system with functional and decorative effects, which consists of priming coat, floating coat (optional) and top coat
3.10
light load floor
coating used for ground on which passengers and non-motor vehicles and, occasionally, motor vehicles with rubber tires pass through
3.11
heavy load floor
coating used for ground on which forklifts and those with hard plastic tires pass through and there is occasionally impact load
4 Classification and mark
4.1 Classification
Floor coating is classified according to the following four ways:
a) Floor coatings are classified according to their dispersion media into waterborne floor coaling (S), solvent-free floor coating (W), solvent-borne floor coating (R) and polymer cement floor coating (J). According to the film formation mechanism, the polymer cement floor coating is further classified into organic crosslinking reaction polymer cement floor coating and non-organic crosslinking reaction polymer cement floor coating (FJ).
b) Floor coating is classified according to the coating structure into priming coat (D), floating coat (Z) and top coat (M).
c) Floor coating is classified according to use place into indoor (SN) and outdoor (SW) coatings.
d) Floor coating is classified according to traffic carrying capacity into light load (QZ) and heavy load (ZZ).
4.2 Mark
The products are marked in the sequence of product name, standard number, dispersion medium, coating structure, use place and traffic carrying capacity. Example:
Top coat of solvent-borne floor coating used for outdoor light load floor is marked as: floor coating GB/T 22374-20 ×× R M SW QZ
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and mark
4.1 Classification
4.2 Mark
5 Requirements
5.1 Requirements for limit of harmful substances
5.2 Physical property requirements
6 Test method
6.1 Test environment
6.2 Test on limit of harmful substances
6.3 Test methods for physical property
7 Inspection rules
7.1 Inspection classification
7.2 Batching
7.3 Sampling
7.4 Judgment rules
8 Marking, packaging, transport and storage
8.1 Marking
8.2 Packaging
8.3 Transport
8.4 Storage
Annex A (Normative) Determination of free 4.4'-diaminodiphenylmethane (MDA)
Annex B (Normative) Determination of hot tire indentation resistance
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 1.1-2009.
This standard replaces GB/T 22374-2008 Floor coatings.
In addition to a number of editorial changes, the following technical changes have been made with respect to GB/T 22374-2008 (the previous edition):
——the terms and definitions are modified (see Clause 3; Clause 3 in Edition 2008);
——the product classification is modified (see 4.1; 4.1 in Edition 2008);
——the items “total content of glycol ether and ether ester, total content of phthalic acid esters, free 4,4'-diaminodiphenylmethane (MDA), total volatile organic compound (TVOC) emission and formaldehyde emission" are added (see Table 1; Table 2 in Edition 2008);
——the item "stretching adhesive strength" is added in and “adhesion” is deleted from priming coat (see Table 2; Table 3 in Edition 2008);
——the technical requirements for floating coat of floor coatings are added (see Table 3);
——in top coat basic performance “stretching adhesive strength” is added for waterborne and solvent-borne floor coatings, “artificial weather resistance” for outdoor floor coating, “initial fluidity” for self-leveling floor coating, and “adhesion” is deleted from it (see Table 4; Table 4 in Edition 2008);
——the technical requirements for top coating of polymer cement floor coating are added (see Table 5);
——in top coat special performance items “elasticity”, “coating resistance to temperature change”, “scratch resistance” and “hot tire indentation resistance” are added, and “fluidity”, “stretching adhesive strength” and “artificial weather resistance” are deleted (see Table 6; Table 5 in Edition 2008);
——the test methods for volatile organic compound (VOC) content and free formaldehyde are modified (see 6.2.3, 6.2.4; 6.3.1 and 6.3.2 in Edition 2008);
——the test substrate is changed from asbestos cement sheet into non-asbestos fiber cement flat sheet (see 6.3.1.1.1; 6.2.1.1 in Edition 2008).
——the normative Annex B is added (see Annex B) and the normative Annex A is modified (see Annex A; Annex A in Edition 2008).
This standard was proposed by China Building Materials Federation.
This standard is under the jurisdiction of SAC/TC 195 National Technical Committee on Constructional Materials and Decorative Materials of Standardization Administration of China.
The previous edition of standard replaced by this standard is as follows:
——GB/T 22374-2008.
Floor coatings
1 Scope
This standard specifies terms and definitions, classification and mark, requirements, test methods, inspection rules, marking, packaging, transport and storage of floor coatings.
This standard is applicable to synthetic resin-based and polymer cement floor coating applied to cement mortar, concrete and other base surfaces for decoration, protection and special functions like anti-static, anti-slip, etc. of the ground.
2 Normative references
The following referenced documents are indispensable for the application 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 250 Textiles - Tests for color fastness - Grey scale for assessing change in color
GB/T 1633-2000 Plastics - Thermoplastic materials - Determination of vicat sofening temperature (VST)
GB/T 1728-1979 Methods of test for drying time of coatings of paints and putties
GB/T 1731 Determination of flexibility of films
GB/T 1766 Paints and varnishes - Rating schemes of degradation of coats
GB/T 1768 Paints and varnishes - Determination of resistance to abrasion - Rotating abrasive rubber wheel method
GB/T 1865-2009 Paints and varnishes - Artificial weathering and exposure to artificial radiation - Exposure to filtered xenon-arc radiation
GB/T 2411-2008 Plastics and ebonite - determination of indentation hardness by means of a duronmeter (Shore Hardness)
GB/T 2567-2008 Test methods for properties of resin casting body
GB/T 4100-2015 Ceramic tile
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GIVT 6739 Paints and varnishes - Determination of film hardness by pencil test
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB 8624 Classification for burning behavior of building materials and products
GB/T 9271 Paints and varnishes - standard panels for testing
GB/T 9274-1988 Paints and varnishes - Determination of resistance to liquids
GB 9743 Passenger car tyres
GB/T 9754 Paints and varnishes - Determination of specular gloss of non-metallic paint films at 20°, 60°and 85°
GB/T 9779-2015 Multi-layer coatings for architecture
GB/T 9780-2013 Test method for dirt pickup resistance and stain removal of film of architectural coatings and paint
GB/T 11186.2-1989 Methods for measuring the colour of paint films - Part 2: Colour measurement
GB 11614 Plate glass
GB/T 13491 General rule for packing of coatings
GB/T 17671 Method of testing cements - Determination of strength (ISO Method)
GIVT 18446 Binders for paints and varnishes - determination of monomeric diisocyanates in isocyanate resins
GB 18581-2009 Indoor decorating and refurbishing materials - Limit of harmful substances of solvent based coatings for woodenware
GB 18582-2008 Indoor decorating and refurbishing materials - Limit of harmful substances of interior architectural coatings
GB 18583-2008 Indoor decorating and refurbishing materials - Limit of harmful substances of adhesives
GB/T 23985-2009 Paints and varnishes - Determination of volatile organic compound (VOC) content - Difference method
GB/T 23993 Determination of formaldehyde content of waterborne coatings - Spectrophtometric method with acetylacetone
GB 24408-2009 Limit of harmful substances of exterior wall coatings
GB 24613 Limit of harmful substances of coatings for toys
JC/T 412.1-2006 Fiber cement flat sheets - Part 1: Non-asbestos fiber cement flat sheets
JC/T 547 Adhesives for ceramic tiles
JC/T 985-2017 Cementitious self-leveling floor mortar
JC/T 2327-2015 Waterborne polyurethane screed material
JG/T 25 Test method for temperature change resistance of architectural coatings
JG/T 481-2015 Water-based interior wall coating with low-emission volatile organic compounds (VOC)
SJ/T 11294 General specification of floor coating for electrostatic protection
YB/T 4086-2017 Steel wool fiber
3 Terms and definitions
For the purpose of this document, the terms and definitions given in GB 18582-2008 and JG/T 481-2015 and the following apply.
3.1
volatile organic compound (VOC)
all organic compounds of which the initial boiling point is lower than or equal to 250℃ under the standard atmosphere pressure 101.3kPa
[GB 18582-2008, Definition 3.1]
3.2
total volatile organic compound (TVOC)
total collection of volatile organic compounds with retention time between n-hexane and n-hexadecane when analyzed with a non-polar column (with a polarity index less than 10)
[JC/T 481-2015, Definition 3.2]
3.3
waterborne floor coaling
synthetic resin-based floor coating with water as the main dispersion medium
3.4
solvent-borne floor coating
floor coating with volatile organic compounds, which will not become component of the coating after solidification, as dispersion medium
3.5
solvent-free floor coating
floor coating with organic compounds, which will exist as film-forming substance after solidification, as dispersion medium
3.6
polymer cement floor coating
floor coating formulated by adopting water-based polymer and cement-based cementitious materials, into which fillers, aggregates and other additives are added
3.7
organic crosslinking reaction polymer cement floor coating
floor coating formulated by adopting multi-component reactive polymer (polyurethane) and cement-based cementitious materials, into which fillers, aggregates and other additives are added
3.8
non-organic crosslinking reaction polymer cement floor coating
floor coating formulated by adopting single-component polymer (powder or emulsion) and cement-based cementitious materials, into which fillers, aggregates and other additives are added
3.9
floor coating system
multi-layer flooring system with functional and decorative effects, which consists of priming coat, floating coat (optional) and top coat
3.10
light load floor
coating used for ground on which passengers and non-motor vehicles and, occasionally, motor vehicles with rubber tires pass through
3.11
heavy load floor
coating used for ground on which forklifts and those with hard plastic tires pass through and there is occasionally impact load
4 Classification and mark
4.1 Classification
Floor coating is classified according to the following four ways:
a) Floor coatings are classified according to their dispersion media into waterborne floor coaling (S), solvent-free floor coating (W), solvent-borne floor coating (R) and polymer cement floor coating (J). According to the film formation mechanism, the polymer cement floor coating is further classified into organic crosslinking reaction polymer cement floor coating and non-organic crosslinking reaction polymer cement floor coating (FJ).
b) Floor coating is classified according to the coating structure into priming coat (D), floating coat (Z) and top coat (M).
c) Floor coating is classified according to use place into indoor (SN) and outdoor (SW) coatings.
d) Floor coating is classified according to traffic carrying capacity into light load (QZ) and heavy load (ZZ).
4.2 Mark
The products are marked in the sequence of product name, standard number, dispersion medium, coating structure, use place and traffic carrying capacity. Example:
Top coat of solvent-borne floor coating used for outdoor light load floor is marked as: floor coating GB/T 22374-20 ×× R M SW QZ
Contents of GB/T 22374-2018
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and mark
4.1 Classification
4.2 Mark
5 Requirements
5.1 Requirements for limit of harmful substances
5.2 Physical property requirements
6 Test method
6.1 Test environment
6.2 Test on limit of harmful substances
6.3 Test methods for physical property
7 Inspection rules
7.1 Inspection classification
7.2 Batching
7.3 Sampling
7.4 Judgment rules
8 Marking, packaging, transport and storage
8.1 Marking
8.2 Packaging
8.3 Transport
8.4 Storage
Annex A (Normative) Determination of free 4.4'-diaminodiphenylmethane (MDA)
Annex B (Normative) Determination of hot tire indentation resistance
