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SPC qualified standards, quality control check list

Complete quality standards of SPC flooring!
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  • Reference Standards Detail

1.  Appearance & Quality Requirements

Defects Items

Standard

Defects, fissures, wrinkles, holes

Not allowed

(a)Offset printing, delamination, peeling

Not allowed

(b)Spots, bubbles, scratches, discoloration etc.

Not obviously

(a) is suitable for heterogeneous floor

(b) can be agreed according to the contract between the supplier and the buyer

 

Item

Superior product

Qualified product

Frosting mark and water mark

Not allowed

 ≥ 3% the area of the board

Scratches

Not allowed

Press mark

Not allowed

Previous spots of impregnated paper

Not allowed

Gloss unevenness

Not allowed

 ≥ 3% the area of the board

Spots,dirt and similar surface defects

Not allowed

≤ 10mm², 每米长允许一个allowable 1pc/m

Blister

Not allowed

Bubble

Not allowed

Tearing of impregnated paper

Not allowed

Bare substrate spots due to defective surface covering

Not allowed

Fissure on the surface

Not allowed

Delamination

Not allowed

Tongue and corner deformity

Not allowed

 

2. Size And Deviation

Length

 ≤ 0.1% of length

Width

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

mm

+0.13mm to -0.10mm,最大值与最小值绝对值不超过(maximum variation)≤0.1mm

Straight Angle

qmax≤0.20mm

straightness

smax≤0.20mm

Height difference

average value ≤ 0.10mm, Hmax ≤ 0.15mm

Gap

average value≤ 0.07 mm, Gmax ≤0.1 mm

Model of click

应与确认的钢模相同should be the same as the confirmed steel model

 

3. Physical And Chemical Performance Requirements

Gloss

matte

310±2°

semi-matte

1525±2°

glossy

25以上(more than 25±2°

Tensile Strenght

5cm/120N: 4.0mm≥100N 5.0mm≥120N

Ply Adhesion

60N/5cm

Curl after 6hrs at 80℃

Laboratory Oven for 6hrs&80℃ then measure with a Vernier: 1mm

Dimensional Stability

Laboratory Oven for 6hrs&80℃ then measure with a Vernier:0.1%

Dimensional changes after heating

WPC 65℃≤0.2%SPC 80℃≤0.1%

abrasion resistance

 ≥0.015g/1000(r)

Abrasion resistance

Paint film scriber ≥4B

Surface scratch resistance

Surface decorative pattern is not scratched under 4.0N's force.

Indentation

≤0.05mm

Formaldehyde release

 No Formaldehyde

Bibulous rate

≤3%

 

 

Packing

Product Mark

Before the products are stored, they should be tagged in proper parts with their product models, trademarks, production dates, etc.

 

Packing Mark

The standard codes , factory name, address, product name, production date, trademarks, specifications, formaldehyde release sign, type, grade, quantity, etc.

 

Package

A product shall be packed based on its category, specification and grade. The enterprises shall provide detailed instruction books and manuals according to the characteristics of a product. The package shall protect products from being hit,scratched or stained. Packing requirements shall only be settled after negotiation between two parties.

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