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 | โฅ 3% the area of the board |
| Scratches | Not allowed | |
| Press mark | Not allowed | |
| Previous spots of impregnated paper | Not allowed | |
| Gloss unevenness | Not allowed | โฅ 3% the area of the board |
| Spots,dirt and similar surface defects | Not allowed | โค 10mmยฒ, 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 | โค 0.1% of length |
| Width | โค 0.2mm, the difference between the maximum and minimum values โค0.1 mm |
| mm | +0.13mm to -0.10mm, (maximum variation)โค0.1mm |
| Straight Angle | qmaxโค0.20mm |
| straightness | smaxโค0.20mm |
| Height difference | average value โค 0.10mm, Hmax โค 0.15mm |
| Gap | average valueโค 0.07 mm, Gmax โค0.1 mm |
| Model of click | should be the same as the confirmed steel model |
3. Physical And Chemical Performance Requirements
| Gloss | matte | ๏ผ3๏ฝ10๏ผยฑ2ยฐ |
| semi-matte | ๏ผ15๏ฝ25๏ผยฑ2ยฐ | |
| glossy | 25ไปฅไธ๏ผmore than 25๏ผยฑ2ยฐ | |
| Tensile Strenght | 5cm/120N: 4.0mmโฅ100N 5.0mmโฅ120N | |
| Ply Adhesion | 60N/5cm | |
| Curl after 6hrs at 80โ | Laboratory Oven for 6hrs&80โ then measure with a Vernier: โค1mm | |
| Dimensional Stability | Laboratory Oven for 6hrs&80โ then measure with a Vernier:โค0.1% | |
| Dimensional changes after heating | WPC 65โโค0.2%๏ผSPC 80โโค0.1% | |
| abrasion resistance | โฅ0.015g/1000่ฝฌ(r) | |
| Abrasion resistance | Paint film scriber โฅ4B | |
| Surface scratch resistance | Surface decorative pattern is not scratched under 4.0N’s force. | |
| Indentation | โค0.05mm | |
| Formaldehyde release | No Formaldehyde | |
| Bibulous rate | โค3% |
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.
