GB/T 34440-2017 in English

《GB/T 34440-2017硬质聚氯乙烯地板》由TC48（全国塑料制品标准化技术委员会）归口，主管部门为中国轻工业联合会。

ChinaStandards.net 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 was proposed by the China National Light Industry Council.
This standard is under the jurisdiction of the National Technical Committee on Plastic Products of Standardization Administration of China (SAC/TC 48).
Rigid polyvinyl chloride flooring
1 Scope
This standard specifies the terms and definitions, classification, product sign, requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of rigid polyvinyl chloride flooring.
This standard is applicable to flooring which is mainly made of polyvinyl chloride resin sheets and are used for indoor floor laying after surface lamination.
2 Normative references
The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2828.1-2012 Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4085-2015 Semirigid polyvinyl chloride floor titles
GB/T 11982.1-2015 Polyvinyl chloride floor coverings — Part 1: Heterogeneous polyvinyl chloride floor coverings
GB 18580-2017 Indoor decorating and refurbishing materials — Limit of formaldehyde emission of wood-based panels and finishing products
GB 18586-2001 Indoor decorating and refurbishing materials — Limit of harmful substances of polyvinyl chloride floor coverings
GB/T 22048-2015 Determination of certain phthalate esters in toys and children’s products
GB/T 24128-2009 Method for testing resistance of plastics to mold
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
rigid polyvinyl chloride flooring
the flooring laminated of composite layers of polyvinyl chloride and other components and materials
3.2
surface
the upper flat side of the flooring
3.3
wear layer thickness
the thickness of the wear-resistant layer on the surface
3.4
total thickness
the total thickness of the flooring
3.5
locking flooring
the flooring with tongue and groove
3.6
non-locking flooring
the flooring without tongue and groove
3.7
tongue
the protruding part on one side of the locking flooring for splicing
3.8
groove
the concave part on the other side of the locking flooring for splicing
4 Classification
4.1 Classification by usage
4.1.1 Household level
Household level 21 (21), household level 22 (22), household level 22+ (22+) and household level 23 (23).
4.1.2 Commercial level
Commercial level 31 (31), commercial level 32 (32), commercial level 33 (33) and commercial level 34 (34).
4.1.3 Light industry level
Light industry level 41 (41), light industry level 42 (42) and light industry level 43 (43).
4.2 Classification by wear layer
Level T, level P, level M and level F.
4.3 Classification by installation method
Locking flooring and non-locking flooring.
5 Product sign
5.1 Drawings
See Figure 1 for the drawings of product sign of rigid polyvinyl chloride flooring.


Keys:
1——sign of level;
2——usage level;
3——wear layer thickness;
4——number of implemented standard.
Figure 1 Drawings of product sign of rigid polyvinyl chloride flooring
5.2 Examples
Figure 2 shows an example of product sign of rigid polyvinyl chloride flooring.

Figure 2 Example of product sign of rigid polyvinyl chloride flooring.
5.3 Signs of level
Signs of level of rigid polyvinyl chloride flooring are:
Household level: ; ; ; .
Commercial level: ; ; ; .
Light industry level: ; ; .
6 Requirements
6.1 Appearance
6.1.1 The appearance of rigid polyvinyl chloride flooring shall meet the requirements specified in Table 1.
Table 1 Appearance of rigid polyvinyl chloride flooring
Defect Surface condition
Overprint deviation, pattern deformation, wrinkle, bubble Not obvious
Color difference, impurities, black spots, dirt Not obvious
Missing printing and membrane, delamination, holes Not allowed
Cracks, fractures, defects, cracks Not allowed

6.1.2 Defects not listed in Table 1 may be agreed in the contract between the supplier and the purchaser.
6.2 Specification and dimension deviation
6.2.1 The length and width of rigid polyvinyl chloride flooring shall meet the requirements specified in Table 2.

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Product sign
6 Requirements
7 Test methods
8 Inspection rules
9 Marking, packaging, transportation and storage