Sharp Ply aluminum composite bus flooring consists of treated hardwood and five bar 1.5mm thickness aluminum sheet pressed in 3500 tonne capacity by hot & cold process. It is a composition of high densified product, unsaturated polyester and high degree polymer phenolic resin.
Application: Buse deck, heavy automobile floor, paneling, seats, back rest of seats. It can be used for sound proofing, reduction in temperature & vibrations. Adhesive: a) BWP grade b) unsaturated polyester resin with cobalt and celerator spread at all four side of aluminium sheet up to 4H wide.
Size
- Thickness: 9 to 12mm
- Sizes : 8x4 feet
- Al. sheet thicknesses: 0.8 mm to 1.5 mm
- Density : 0.845 to 1.00gm/cm
Technical Specifications (IS:13957:2010)
| DIMENSIONS | BIS REQUIREMENTS | OBSERVATION VALUES |
|---|---|---|
| Length | 2440 + 6 - 6 |
2442mm |
| Width | 1220 + 3 - 0 |
1222mm |
| Thickness | 12mm 12.10mm | |
| Suareness | 2mm/1000mm | 0.55mm |
| Edge Straightness | 2mm/1000mm | 0.50mm |
| Workmanship & finish | Clause 7 | Satisfactory |
| Physical Properties | ||
| Moisture Content | ----- | 7.80% |
| Bond quality test Boiling - drying@60+_20c 4Hrs. | a) No visible delamination glue line and plywood face & aluminium sheet | Satisfactory |
| -20Hrs. Third Cycles | b) No forcible separation and fibre should be adhered with metal sheet | Satisfactory |
| Static bending strenght Along the grain M.O.E | Avg. - 7500N/mm2 | 15830.24 N/mm2 |
| Across the grain M.O.E. | Ind. - 6700N.mm2 | 9560.72 N/mm2 |
| Along the grain M.O.R. | Avg. - 4000N/mm2 | 14054.40 N/mm2 |
| Across the grain M.O.R | Ind. - 3700N/mm2 Avg. - 50 Ind. - 46 Avg. - 30 Ind. - 27 |
8480.23 N/mm2 102.84 N/mm2 70.95 N/mm2 95.40 N/mm2 60.20 N/mm2 |
| Tensile strength | Along - 95MPa Across - 95MPa |
112 Mpa 103 Mpa |
| Cross breaking strength | Along - 1300/Kg/cm2 Across - 1200/Kg/cm2 |
1400/Kg/cm2 1267/Kg/cm2 |
| Glue Strength | Along - 2200 N Across - 2000 N |
4235 N 3915 N |
| Impact Strength | Along - 70/Kg/cm2 Across - 70/Kg/cm2 |
115 Kg/cm2 105 Kg/cm2 |
