| About |
|---|
| Crown Plastics standard line of Easy-To-Apply wear strips and adhesive backed tapes. Each tape product offers excellent abrasion resistance, low coefficient of friction, high impact strength and high performance properties people have come to expect from UHMW. By providing this exceptional material with an adhesive backing, installation time and costs are significantly reduced. No need for bolts or fasteners, no need to countersink. As a matter of fact, DuraSurf™ ETA also reduces scrap by 75%. When a standard 1/4″ thick sheet of UHMW is installed using the traditional mechanical fastening method, 3/16″ of the material is lost to the bolt head. This leaves only a 1/16″ usable wear surface. You can achieve the same result with a 1/16″ DuraSurf™ ETA tape product and eliminate 80% of the time and cost associated with traditional installation methods. Crown Plastics offers a wide range of both rubber and acrylic based adhesive systems to meet virtually any application requirement. AVAILABLE THICKNESS .005″ (.125 mm), .010″ (.25 mm), .015″(.38 mm), .020″ (.5 mm), .031″ (.75 mm), .040″ (1 mm), .050″ (1.3 mm), .062″ (1.57 mm), .080″ (2 mm) .093″ (2.35 mm), 100″ (2.5 mm), .125″ (3.17 mm) AVAILABLE WIDTHS All dimensions between 1/4″ (6.35 mm) and 24″ (610 mm) UHMW PROPERTIES Excellent abrasion and wear resistance Very high impact strength Meets FDA and USDA guidelines No moisture absorption Self-lubricating – no need for oils or lubricants Excellent noise abatement properties Chemical resistance and corrosion resistant Maintains performance and properties at -30°C Meets ASTM-D-4020-81 Low coefficient of friction&& |
| Product Description | |
|---|---|
| Generic | Ultra-high molecular weight polyethylene |
| Material Status | Commercial: Active |
| Features | High impact resistance,noise reduction,Low coefficient of friction,Corrosion Resistant,Self-lubricating,Moisture resistance,Good wear resistance,Solvent resistance |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.930 | g/cm³ | ASTM D792 |
| Crystallinity | ASTM D3417 | ||
| 762.0 µm | 48 | % | ASTM D3417 |
| 1.52 mm | 47 | % | ASTM D3417 |
| 3.18 mm | 50 | % | ASTM D3417 |
| Relative viscosity | ASTM D4020 | ||
| 762.0 µm | 230 to 350 | cm³/g | ASTM D4020 |
| 1.52 mm | 230 to 350 | cm³/g | ASTM D4020 |
| 3.18 mm | 230 to 350 | cm³/g | ASTM D4020 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 80 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Melting peak temperature | |||
| — | 134 | ℃ | |
| — | 136 | ℃ | |
| Linear coefficient of thermal expansion | |||
| MD | ASTM D696 | ||
| -100 to -20 ℃, 3.18 mm | 9.2E-4 | cm/cm/℃ | ASTM D696 |
| 20 to 100 ℃, 3.18 mm | 1.5E-4 | cm/cm/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | ASTM D257 | ||
| 0.762 mm | 1.0E+3 | ohms | ASTM D257 |
| 1.52 mm | 1.0E+3 | ohms | ASTM D257 |
| 3.18 mm | 1.0E+3 | ohms | ASTM D257 |
| Volume resistivity | ASTM D257 | ||
| 0.762 mm | 6.0E+7 | ohms·cm | ASTM D257 |
| 1.52 mm | 1.5E+7 | ohms·cm | ASTM D257 |
| 3.18 mm | > 2.0E+7 | ohms·cm | ASTM D257 |
| Dielectric strength | |||
| 3.18 mm | 14 | kV/mm | ASTM D149 |
| Dielectric constant | ASTM D150 | ||
| 0.762 mm | 2.39 | ASTM D150 | |
| 1.52 mm | 2.29 | ASTM D150 | |
| 3.18 mm | 2.28 | ASTM D150 | |
| Dissipation factor | ASTM D150 | ||
| 0.762 mm，10 kHz | -1.0E-3 | ASTM D150 | |
| 0.762 mm，5 MHz | -1.0E-3 | ASTM D150 | |
| 1.52 mm，10 kHz | -2.0E-3 | ASTM D150 | |
| 1.52 mm，5 MHz | -1.0E-3 | ASTM D150 | |
| 3.18 mm，10 kHz | 0.0 | ASTM D150 | |
| 3.18 mm，5 MHz | 1.0E-3 | ASTM D150 | |
| Electrostatic attenuation | |||
| 762.0 µm | < 10 | msec | |
| 1.52 mm | < 10 | msec | |
| 3.18 mm | < 10 | msec |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | ASTM D2240 | ||
| Shore D, 0.762 mm | 65 | ASTM D2240 | |
| Shore D, 1.52 mm | 65 | ASTM D2240 | |
| Shaw D, 3.18 mm | 65 | ASTM D2240 | |
| Tensile modulus | ASTM D638 | ||
| 0.76 mm | 725 | MPa | ASTM D638 |
| 1.52 mm | 731 | MPa | ASTM D638 |
| 3.18 mm | 672 | MPa | ASTM D638 |
| tensile strength | ASTM D638 | ||
| Yield, 0.762 mm | 23.0 | MPa | ASTM D638 |
| Yield, 1.52 mm | 20.0 | MPa | ASTM D638 |
| Yield, 3.18 mm | 22.0 | MPa | ASTM D638 |
| Fracture, 0.762 mm | 53.0 | MPa | ASTM D638 |
| Fracture, 1.52 mm | 49.0 | MPa | ASTM D638 |
| Fracture, 3.18 mm | 44.0 | MPa | ASTM D638 |
| Tensile strain | ASTM D638 | ||
| Fracture, 0.762 mm | 60 | % | ASTM D638 |
| Fracture, 1.52 mm | 460 | % | ASTM D638 |
| Fracture, 3.18 mm | 470 | % | ASTM D638 |
| friction coefficient | ASTM D1894 | ||
| Steel – Dynamic | 0.10 to 0.22 | ASTM D1894 | |
| Steel – Dynamic | 0.050 to 0.10 | ASTM D1894 | |
| Steel – Dynamic | 0.050 to 0.080 | ASTM D1894 | |
| With oneself – dynamic | 0.13 | ASTM D1894 | |
| With oneself – dynamic | 0.14 | ASTM D1894 | |
| With oneself – static | 0.16 | ASTM D1894 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.125 inches |
| 3. 0.03 inches |
| 4. 0.06 inches |
| 5. Oil |
| 6. Water |
| 7. Dry |
| 8. 200 mil Notch Depth |
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