Righton Blackburns supply a range of abrasion resistant polycarbonate with advanced abrasion resistance against marks, scratches, vandalism and graffiti is ideal for the toughest glazing environments.
The industrial cleaning strength coating also withstands contact from a wide range of cleaning agents, organic solvents and corrosive elements.
Lightweight, but with a superior impact and abrasion resistance, this polycarbonate sheet provides uncompromised protection to people and property in a diversity of applications including safety glazing, guardrails, machine guards, riot shields, visors, bus shelters and train windows.
| Sheet Size | Thicknesses |
|---|---|
| 2000 x 3000 | 3.0mm - 15.0mm |
| Property | Test Method | Unit | Value |
|---|---|---|---|
| Physical | |||
| Density | DIN 53479 | g/cm2 | 1.2 |
| Light Transmission (3mm Clear) | DIN 5036 | oC | 87-91 |
| Refractive Index | DIN 53491 | 1.586 | |
| Mechanical | |||
| Tensile Strength at Yield | DIN 53455 | N/mm2 | >60 |
| Tensile Strength at Break | DIN 53455 | N/mm2 | >70 |
| Modulus of Elasticity | DIN 53457 | N/mm2 | 2300 |
| Impact Strength at 23oC (Notched Charpy) | DIN 53453 | Kj/m2 | 50 |
| Thermal | |||
| Linear Expansion Co-efficient | l/k | 68 x 10-6 | |
| Thermal Conductivity | DIN 52612 | W/mK | 0.2 |
| Heat Deflection Temp Load 1.81 N/mm2 | DIN 53461 | oC | 135 |
| Max Continuous Service Temp. | oC | >100 |
The innovative protective coating of anti abrasion sheet has been specially formulated to offer enhanced resistance to impact and chemical attack. Grafitti can be easily removed and cleaned and due to its unique coating, it is ideal for use in a variety of speciality applications.
| Solvents | Resistance |
|---|---|
| Ethanol | Long |
| Propanol | Long |
| Acetone | Short |
| Mek | Long |
| Petrol | Long |
| Dilute Ammonia | Medium |
| Dilute Caustic Soda | Short |
| Concentrated Caustic Soda | Short |
| Dilute Organic Acid | Long |
| Dilute Inorganic Acid | Long |
| Short Term resistance | Drops/Spills |
| Medium Term Resistance | Up to 8 hours |
| Long Term Resistance | No Attack |
| Material | Cycles | Haze Change % |
|---|---|---|
| Uncoated | 100 | 29.5 |
| Hard Coated | 100 | 3-6 |
| 500 | <12 | |
| 1000 | <20 |
In order to maintain abrasion resistant polycarbonate sheet in a good condition it is recommended that the sheet be cleaned periodically using suitable household cleaning agents. The abrasive resistant coating gives improved protection against chemical attack.
The recommended regular cleaning instructions are:
Warning
The following precautions should be observed:
Graffiti Removal
Lukewarm water and ordinary non-abrasive household detergent and a sponge or soft cloth is
normally sufficient, however for degreasing and cleaning prior to secondary operations the following solvents are suitable: ethanol, isopropanol and white kerosene.
Rinsing the surface with water or antistatic cleaning agent can reduce static charge. Another method is to blow down the sheet with ionised air. The effect of this treatment is short term but usually sufficient for subsequent operations.
Applications using this material must make adequate allowance for thermal movement, nominally 3.5 mm per metre. Adequate clearance must be allowed in the holes drilled for fixing and sheet lengths have to be limited so that there is not excessive movement at the ends. It is essential that compatible gaskets or silicon is used in installation.
Due to the hard coating:
In order to maintain this material in a good condition it is recommended that the sheet be stored in accordance with the points below:
Warning
The following precautions should be observed:
An advantage of polycarbonate sheet is that it is more efficient at preventing heat loss than traditional glazing materials of comparable thickness. The U value is used to compare the insulation properties of materials. It measures the amount of heat passing through the material for a unit area for every degree of temperature difference across the material. Therefore the lower the U value the better the material will retain the heat within the building.
Ploycarbonate: 5.41 W/m2K (3mm)
Glass: 5.87 W/m2K (3mm)
Polycarbonate flat sheet is easy to saw and cut on standard workshop equipment. It can be machined on conventional milling machines with standard high speed tools. Notches adversely affect the mechanical properties of polycarbonate and should be avoided.
Polycarbonate flat sheet can be laser cut, engraved and marked although the exact conditions will vary depending on the set up.
Polycarbonate flat sheet can be installed in a diversity of applications, with varying temperatures. The material’s mechanical performance is known to remain stable in prolonged service in temperatures ranging from –20 to +100 °C (Short term unstressed -40 to +130°C).
Abrasion resistant polycarbonate can be installed in most types of frames including PVC, wood, steel, and aluminium. The framing system must retain the sheet but allow thermal movement. Only compatible sealants must be used, these include silicone, EPDM, neoprene or “plasticiser free” chloroprene materials with proven performance. PVC gaskets are not compatible with polycarbonate.
| Thickness (mm) | Longlife Sheet (W/m2K) | Glass (W/m2K) |
|---|---|---|
| 2mm | 5.56 | - |
| 3mm | 5.41 | 5.87 |
| 4mm | 5.27 | 5.82 |
| 5mm | 5.13 | 5.80 |
| 6mm | 5.00 | 5.77 |
| 8mm | 4.76 | 5.71 |
| 10mm | 4.55 | - |
| 12mm | 4.35 | - |
| Thickness (mm) | Flat Sheet (Kg/m2) | Glass (Kg/m2) |
|---|---|---|
| 2mm | 2.40 | 5.00 |
| 3mm | 3.60 | 7.50 |
| 4mm | 4.80 | 10.00 |
| 5mm | 6.00 | 12.50 |
6mm | 7.20 | 15.00 |
| 8mm | 9.60 | 20.00 |
| 10mm | 12.00 | 25.00 |
| 12mm | 14.40 | 30.00 |
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