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Specifically designed to meet marine and outdoor environment conditions, marine grade HDPE boards provide sustainable surfaces without risk of splintering, rotting, or swelling. All marine grade HDPE boards from Emco Plastics undergo special postproduction treatments to enhance their ability to withstand the harsh effects of salt water, extended periods of moisture, and direct sunlight.
HDPE marine boards are easily able to be fabricated into various outdoor components, including deck components, cabinets and countertops, doors and doorframes, swimming pool and dive platforms, and more. Emco Industrial Plastics offers cut-to-size HDPE marine boards for virtually all marine applications.
This UV stabilized material has great scratch and impact resistance, and stiffness yet is easy to fabricate and machine for the most demanding applications. It is ideal for outdoor cabinetry, furniture, signage, and recreational area applications. Seaboard HDPE has no moisture absorption, great scratch resistance and is FDA and USDA compliant.
Top Applications for Seaboard™ HDPE:
Key Material Benefits for Seaboard™ HDPE:
Seaboard™ LITE HDPE is produced utilizing co-extrusion technology that allows for solid outer surfaces with a foamed core. The core is produced with a closed cell structure that eliminates propagation of moisture within the core. It weighs 1/3 less than solid HDPE representing an opportunity for cost savings.
Marine grade HDPE is manufactured as a continuous extrusion; therefore, it is guaranteed not to delaminate during the service-life of the end-product. It also meets FDA approval for direct food contact.
HDPE marine boards are manufactured for various uses and brands, Emco Industrial Plastics is proud to offer materials for HDPE boards used by various manufacturers, including:
Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative at (800) 292-9906.
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Polyethylene, Machine Grade
L-P 390C, ASTM D1248, ASTM 3350
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|Sheet||1/4″ – 1″ TH||Standard; 48″ x 96″, CTS||White, Black, Gray, Colors|
|Density||lb/in3||D792||29.4 – 28.7|
|Water Absorption. 24 hrs||%||D570||<0.01|
Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.
|Tensile Strength @yield||psi||D638||3.100 – 5.500|
|Tensile Modulus||psi||D638||0.6 – 1.8|
|Tensile Elongation @Break||%||D638||20 – 1.000|
|Flexural Modulus||psi||400000||1.0 – 2.0|
|Hardness. Shore D||D785||D69|
|IZOD Impact Strength Notched||ft-lb/in||D256||3|
|Coefficient of Linear Thermal Expansion||(x 10-5 in./in./°F)||D256||6.1 – 7.2|
|Heat Deflection Temp at 66 psi||°F||D648||140 – 190|
|Heat Deflection Temp at 264 psi||°F||110 – 130|
|Max Operating Temp||°F||180|
|Thermal Conductivity||BTU-in/ft2-hr-°F||C177||11.0 – 12.4|
|Dielectric Strength||V/mil||D149||450 – 500|
|Dielectric Constant||D150||2.30 – 2.35@1 kHz|
|Dissipation Factor||D150||0.0003 @1 khz|
|Volume Resistivity. 50% RH||ohm-cm||D257||10^5|
|Arc Resistance||sec||D495||200 – 250|
|3mm Transparent Clear Transmittance. Total (%)||%||D1003||1.54|
NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.
NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call (800) 292-9906.