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 |
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,(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 | should be the same as the confirmed steel model |
3. Physical And Chemical Performance Requirements
Gloss | matte | (3~10)±2° |
semi-matte | (15~25)±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转(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% |
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.
Contact Person: Mr. Frank
Tel: +8618868031760
Fax: 86-573-87635535
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