Flatness of shutter (twist, cupping and wraping)Not more than 1 mm
Local planes(surface smoothness)Not more than 0.5 mm
Impact indentationNot more than 0.2 mm by a weight of 0.5 kg
Flexure resistance (residual deflection)Not more than 0.2 mm
Edge loading
Residual deflectionNot more than 0.2mm
Lateral bucklingNot more than 1.5mm
Shock resistanceNot visible damage after 25 blows of 5 kg
Buckling resistance
Initial deflection/td>Not more than 40mm
Residual deflectionNot more than 5mm
Slamming of the shutterNo visible impact after 25 impacts of 15 kg
Misuse of the shutterNo permanent deformation after the test
Varying humidity (adverse weather condition)Dimensional changes within 5%
End immersionNo delamination after immersion
Adhesion of plyExcellent
Glue adhesionNo delamination of the glue line
Screw holding strength (kg)> 125
Preservative treatment (2 stage treatment)
BWP Flush Door is extremely durable thanks to its excellent quality, exceptional finish and unique dimensional stability. It is made of a single select hardwood species and bonded with boiling water proof synthetic phenol formaldehyde adhesive. Its hardwood frames provide strength for fitting of hinges. These doors provide assure strength and safety, and therefore guarantee peace of mind.
Features
Battens made exclusively from selected single species of hardwood timber
Battens machined and planed to the required thickness, preservative treated and season kiln dried
Battens individually treated with toxicants for long lasting protection against insects
Bonded with boiling-water proof synthetic Phenol Formaldehyde adhesive
Adhesive specially tinged with toxicants and antidotes
Usage
Door shutters in homes and offices