Seaboard HDPE (Marine Plastic)

Description

Seaboard is a high-density polyethylene (HDPE) material specifically engineered for marine and outdoor environments. Known for its exceptional durability, resistance to water, UV stability, and low maintenance, Seaboard is a superior alternative to traditional wood. It is lightweight, easy to fabricate, and resistant to rot, insects, and corrosion, making it ideal for harsh conditions such as saltwater exposure and extreme weather.

Benefits of Seaboard

Marine-Grade Durability: Resistant to saltwater, UV rays, and extreme weather conditions, ensuring long-lasting performance.
Low Maintenance: Does not rot, splinter, or corrode, reducing the need for frequent repairs or replacements.
Eco-Friendly: Made from recyclable HDPE, making it a sustainable choice for environmentally conscious projects.
Easy to Fabricate: Can be cut, drilled, and shaped using standard woodworking tools.
Slip-Resistant: Available in textured finishes for added safety in wet conditions.

Applications

Marine Structures: Ideal for docks, pilings, seawalls, and boat ramps due to its resistance to water and marine organisms.
Outdoor Furniture: Perfect for benches, picnic tables, and decking in coastal or high-moisture areas.
Boardwalks & Walkways: Provides a durable, slip-resistant surface for pedestrian traffic in wet environments.
Industrial Applications: Used for tank supports, platforms, and other structures exposed to moisture or chemicals.

Safety Information

Non-Hazardous: Seaboard is not classified as hazardous by OSHA standards. However, fumes may be released if heated, so proper ventilation and protective equipment are recommended during fabrication.
Fire Resistance: Seaboard has a high flash point (>650°F) and is not easily flammable. In case of fire, use dry chemical, water fog, foam, or CO₂ extinguishers.
Health Hazards: No known acute or chronic health risks. In case of exposure to molten material, treat as an ordinary burn and consult a physician.

Handling & Storage

Store away from flames or heat sources.
Use mechanical ventilation when cutting or heating to avoid inhalation of fumes.
Dispose of waste material in accordance with local, state, and federal regulations.

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Additional information

Weight	20 kg
Dimensions	2440 × 1370 × 15 mm

Technical Data Sheet

POL Seaboard Technical Data Sheet

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Frequently Asked Questions

What is Seaboard HDPE marine sheet used for?

Seaboard HDPE marine sheet is a high-density polyethylene panel commonly used in marine and outdoor applications. Typical uses include boat components, seat bases, hatches, bait boards, cabinetry, pontoons, and dock fittings. It is chosen for wet environments because it does not rot, swell, delaminate, or absorb water like timber or plywood.

What material is Seaboard marine board made from?

Seaboard marine board is manufactured from high-density polyethylene (HDPE). HDPE is a solid thermoplastic known for high impact strength, chemical resistance, and moisture resistance. It is UV-stabilised for outdoor exposure and supplied as a solid colour sheet with consistent properties throughout, making it suitable for machining, cutting, and fabrication.

Is Seaboard HDPE suitable for marine and saltwater environments?

Yes. Seaboard HDPE is widely used in marine and saltwater environments because it is non-porous and corrosion-resistant. It will not absorb water, rust, or degrade when exposed to salt spray, fuel, oils, or cleaning chemicals. This makes it suitable for long-term use on boats, jetties, and coastal installations.

What sizes and thicknesses are available for Seaboard HDPE sheets?

Seaboard HDPE sheets are typically available in standard sheet sizes and a range of thicknesses to suit different applications. Common thicknesses range from thin panels for linings to thicker boards for structural components. Availability depends on the supplier and brand, with cut-to-size options often offered for specific project requirements.

Can Seaboard HDPE be cut, drilled, or machined?

Yes. Seaboard HDPE can be cut, drilled, routed, and machined using standard woodworking or plastic fabrication tools. It machines cleanly without splintering and does not require sealing after cutting. Allowance should be made for thermal expansion when fixing or installing, particularly in outdoor or marine environments.

How durable is Seaboard HDPE marine board?

Seaboard HDPE is highly durable and designed for long-term outdoor and marine use. It resists impact, moisture, UV exposure, and most chemicals. Unlike timber, it does not rot, crack, or delaminate. Performance over time depends on installation conditions, thickness selection, and exposure to extreme temperatures or mechanical loads.

Is Seaboard HDPE UV resistant and suitable for outdoor use?

Yes. Seaboard HDPE marine sheet is UV-stabilised and designed for continuous outdoor exposure. It maintains its structural properties when exposed to sunlight, rain, and temperature changes. Colour fading may occur gradually over time, depending on exposure conditions, but this does not affect the material’s functional performance.