White Melamine backup board

The whiteMelamine backup board is a kind of new type micro-pore special drilling cushion, possessing the features of hard surface, with its special design, the board can used for replacing the phenolic boards, so as to achieve ISO 14000 requirement. Product Features: Greatly reduce the quantity of phenol-formaldehyde resin or formaldehyde residual.Wood fiber can be used to clean the drill, and prevent the drillbit from overheat, lengthen its life.Free of resin pollution.Drill cutting can be absorbed and cleaned easier.The thickness ofthe white backup board is more even than other boards, more fit for the drilling. Technical Parameters: No.ItemUnitStandard1Standard thicknessmm2.5±0.152Density (weight)g/cm3930±203Moisture content%≤44Edge unevennessmm/m±1.05WarpageMaximum warpage/ diagonal≤0.56Modulus of elasticityMPa≥33007Internal bond strengthMPa>1.2820/24h moisture-absorption thickness expansion rate(bare)%≤309Static bending strengthMPa≥4010Dimension stabilitywidth directionlength direction%%-4 40 111Surface hardnessN/mm280±5