JIS F★★★★ (MFC)
JIS A 5908:2015 – U Type 13
Melamine Laminated Particleboards, U Type 13, F★★★★ Specification.
| Quality Item | Unit | Spec | |
|---|---|---|---|
| Thickness (mm): 9 – 25 | |||
| Density | kg/m³ | 400 ~ 900 | |
| MOR | Length-wise | N/mm² | 13.0 (min) |
| Width-wise | |||
| MOE | Length-wise | N/mm² | 2500 (informative) |
| Width-wise | |||
| Internal Bond | N/mm² | 0.20 (min) | |
| Wood Screw Holding Power | N | 400 (min) | |
| Moisture Content | % | 5 – 13 | |
| Formaldehyde Emission | mg/L | Mean: 0.3 | |
| Max: 0.4 | |||
| In-Plane Tensile Strength | N/mm² | 0.40 (min) | |
| Acid Resistance | – | No discoloration shall be observed | |
| Alkali Resistance | – | No discoloration shall be observed | |
| Stain Resistance Test | – | To be of grey scale 3 or over | |
| Scratch Resistance Test | – | No noticeable scratches shall be observed | |
| Impact Resistance Test | – | To be free from radial cracks, fracture and peeling of the decorative layer, and the diameter of recesses to be 20mm or under. | |
Remarks: The smaller of the bending strength values measured lengthwise and widthwise shall be adopted as the bending strength.
JIS A 5908:2015 – Super U Type 15
Melamine Laminated Particleboards, Super U Type 15, F★★★★ Specification.
| Quality Item | Unit | Spec | |
|---|---|---|---|
| Thickness (mm) | |||
| Density | kg/m³ | 400 ~ 900 | |
| MOR | Length-wise | N/mm² | 15.0 (min) |
| Width-wise | |||
| MOE | Length-wise | N/mm² | 2500 (informative) |
| Width-wise | |||
| Internal Bond | N/mm² | 0.40 (min) | |
| Wood Screw Holding Power | N | 400 (min) | |
| Moisture Content | % | 5 – 13 | |
| Formaldehyde Emission | mg/L | Mean: 0.3 | |
| Max: 0.4 | |||
| In-Plane Tensile Strength | N/mm² | 0.40 (min) | |
| Thickness Swelling – 24 hrs | % | 12 (Max) | |
| Acid Resistance | – | No discoloration shall be observed | |
| Alkali Resistance | – | No discoloration shall be observed | |
| Stain Resistance Test | – | To be of grey scale 3 or over | |
| Scratch Resistance Test | – | No noticeable scratches shall be observed | |
| Impact Resistance Test | – | To be free from radial cracks, fracture and peeling of the decorative layer, and the diameter of recesses to be 20mm or under. | |
Remarks: The smaller of the bending strength values measured lengthwise and widthwise shall be adopted as the bending strength.
