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Cork Flooring Standard

Standard Specification for Types Of Cork Flooring, Cork Floor Tile Inspection, Cork Flooring Problem.

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QUALITY CONTROL STANDARD-CORK FLOORING


SCOPE


This standard applies to Bl. (Quercus Q.variabilis) or similar tree bark processing and application of adhesive made of the floor, including cork flooring, Floating Cork Floor.

 

TECHNICAL REQUIREMENTS


Size And Deviation

Length: ≤±1mm

Width: ≤0.1mm, the difference between the maximum and minimum values ≤0.2 mm

Thickness: The absolute difference between the basic thickness and the average thickness ≤0.25mm, the difference between the maximum and minimum values ≤0.5 mm, negative deviation is not allowed

Straight Angle: Qmax ≤0.20mm

Straightness: Smax ≤0.30mm/m

Warp upon: ≤1.00% of length, ≤0.20% of width; Warp down: ≤0.50% of length, ≤0.15% of width

Gap: average value≤ 0.15 mm, Gmax ≤0.2 mm

Height difference: average value ≤0.10mm, Hmax ≤0.15mm

 

WPC Physical And Chemical Performance Requirements


Cork Flooring

Item

Standard

Moisture Content

 8%

Density

Category I

ρ≥500kg/m3

Category II

450kg/m3ρ500kg/m3

Category III

400kg/m3ρ450kg/m3

Initial compression degree

10%

Residual compression degree

2%

Tensile strength

ρ≥500kg/m3

1.6MPa

450kg/m3ρ500kg/m3

1.4MPa

400kg/m3ρ450kg/m3

1.2MPa

abrasion resistance of surface

≤0.15g/100r and paint film did not grind through

Stain resistance of surface

No stain or decay marks on the surface

Boiling water resistance

No disintegration happens

Boiling hydrochloric acid resistance

Disintegration means the test sample is cracked or 20% of the particles have fallen off in the course of test.

 

Floating Cork Flooring

Item

Standard

Moisture Content

3, 12

Initial compression degree

10

Residual compression degree

2

Abrasion resistance of surface

≤0.15g/100r and paint film did not grind through

Stain resistance of surface

No stain or decay marks on the surface

Formaldehyde Release

1.5mg/L

 

PACKING


Product Marks

Marks indicate category, production date and code of the inspector shall be stamped on the floor.

 

Package

The floor shall be packed based on their categories and specifications. On each package, the factory name, category, brand, specification, quantity, and labels of floor standard code shall be marked, and a label used to guarantee the adhesive's conformity to GB18583 shall also be presented.

 

Transportation and Storage

Floor shall be placed carefully on the flat ground during transportation, and shall be kept safe from dampness, rain, exposure to strong sunlight and clashes.


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