Test standards
Factory Test ItemsFactory StandardsTesting MethodAppearanceFlaw, Crack, Wrinkle, Hold, SeparatingNot AllowedGB4085-83Color DifferenceTwo Tones AllowedGB4085-83Dirt, Color ChangeNot Easily NoticeableGB4085-83ASpecificationsLength Measurement± 0.1mm(≤6")± 0.3mm(12" ~ 24
| Factory Test Items | Factory Standards | Testing Method |
| Appearance | ||
| Flaw, Crack, Wrinkle, Hold, Separating | Not Allowed | GB4085-83 |
| Color Difference | Two Tones Allowed | GB4085-83 |
| Dirt, Color Change | Not Easily Noticeable | GB4085-83 |
| ASpecifications | ||
| Length Measurement | ± 0.1mm(≤6") ± 0.3mm(12" ~ 24") ± 0.5mm(≥36") | EN427 |
| Overall Thickness | ± 0.15mm | EN428 |
| Squareness | ≤0.25mm | EN427 |
| Straightness | ≤0.25mm | EN427 |
| Physical Statistics | ||
| Dimensional Stability to Heat | ≤0.12% (80℃, 6Hrs) | EN434 |
| Curling After Exposure To Heat | ≤1.2mm (80℃, 6Hrs) | EN434 |
| Wear Resistance | ≤0.015g | EN-660-2 |
| Peel Resistance | ≥2.8Kgf/2cm | EN431 |
| Residual Indentation After Static Loading | ≤0.1mm | EN434 |
| Flexibility | No Damage | EN435 |
| All products comply to EN 14041:2004 Safety Standards | ||
| Product Specifications | Standard | Testing Method |
| Reaction to Fire | Class Bf1-s1 | EN717-1 |
| Formaldehyde Emission | Not Detected | EN717-1 |
| Slip Resistance | Class DS | EN13893 |
| Determination of migration of heavy metals | Not Detected | EN71 |
| Effect of a caster chair | Pass | EN425 |
| Color Fastness to Light | Grade(Blue Wool Std):6 | EN ISO 105 B02 |