2023-01-11 16:56:34
2022-09-06 10:34:35
2022-09-06 10:30:49
2023-02-15 10:13:32
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 |
(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% |
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.