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Marine Board - Storms the harshest marine conditions.

Marine Board and King StarBoard® provided by Interstate Plastics is environmentally stabilized to withstand the most challenging and roughest marine environments. It is a superior alternative to wood at an economical price, and won't delaminate or lose its color. Marine Board is easily machinable using common woodworking tools.

King Starboard® is the industry standard for extreme outdoor weather performance. Interstate Plastics provides Marine Board as a more economical version of Starboard, without sacrificing material specifications or performance.


King Starboard

King Starboard®

King Starboard XL

King Starboard® XL

King Starboard A/S

King Starboard® A/S

King Starlite Utility

King Starlite® Utility


Marine Board

Marine Board

Marine Board XL

Marine Board XL

Marine Board A/S

Marine Board A/S

Marine Welding Rod

Welding Rod


Marine Board Overview

Manufactured for marine use, Marine Board HDPE is a superior alternative to wood at a very economical price. While resistant to salt water, a wide range of chemicals and UV exposure, unlike other alternatives, Marine Board doesn’t splinter, crack, delaminate, rot, swell or absorb water. Even under heavy foot traffic on yacht decks, it remains virtually maintenance free.

The colors of Marine Board are integrated with the polymer, retaining color vibrancy and saving you time and money from needing to repaint. Marine Board is easily cut, routed, shaped and drilled using common standard woodworking and shop tools.

With a self-lubricating formula and a high sliding resistance alongside excellent long-term durability and weather resistance, Marine Board HDPE is an ideal marine plastic for a variety of applications including replacing wood, metal or laminate walkways, hatches, walkways, cabinetry and countertops as well as ship and boat components regularly exposed to harsh outdoor environments.

In addition to its resistance to marine and other outdoor conditions, Marine Board has a decorative, textured surface that does not show wear, dirt or scratches.

Interstate Plastics also carries King Starboard® HDPE Marine Board, the industry standard for extreme outdoor weather performance. Interstate Plastics provides Marine Board as a more economical version of Starboard®, without sacrificing material specifications or performance, and also offers varying grades of Marine Board plastic including King StarBoard®, King StarBoard® A/S, King StarBoard® XL, and King Starlite® XL Utility.


• Acid, odor, moisture, and mildew resistant
• Extremely easy to machine
• Excellent resistance to acids, alcohols and bases
• Excellent long term durability
• Great weather resistance
• Abrasion resistant
• Thermoformable
• Good flexibility and toughness
• Cost effective versus other marine solutions
• Low-Maintenance
• UV Stabilized, all-weather resistant
• FDA approved in certain grades
• High impact and tensile strength
• Excellent energy absorption
• Maintains decorative, textured surface
• Retains original color
• Will not show wear, dirt or scratches
• Gloss finish
• Easy to clean


Varying Grades of Marine-Grade HDPE

King StarBoard®
With all the same benefits as Marine Board, King StarBoard® lends itself to the industry standard of original marine-grade HDPE. With a proprietary formula, King StarBoard® is most advanced and highest performing consistently flat continuous Marine Grade plastic sheet.

King StarBoard® is environmentally stabilized to storm the harshest weather and stand up to any extreme marine environment.

Marine Board versus King StarBoard® A/S
With all the same benefits at Marine Board and King StarBoard®, StarBoard® A/S grade applies an anti-slip texture, perfect for high traffic walkways and other areas where a texture is desired.

Marine Board versus King StarBoard® XL
Interstate Plastics’ King StarBoard® XL is a lighter, more economical version of the popular Marine Board.

This 100% virgin polymer, marine-grade cellular material has an excellent surface finish. Interstate Plastics’ Black King StarBoard® XL sheets are up to 30% lighter in weight than Marine Board, and are made with the same textured surface and colors for a perfect match.

Sheet sizes are 54" wide and 96" long. Black and white versions are most readily available and remain equally priced.You can expect 15 day delivery for this item.

Marine Board versus King Starlite® XL Utility
King Starlite® XL Utility is an economical cellular (closed cell) utility sheet made from select high-grade King StarBoard® recycled High-Density Polyethylene.

Fabricating and finishing King Starlite® XL Utility is easy using standard woodworking tools. King Starlite® XL Utility forms easily for smooth curves and bends. Since there is no grain pattern, parts can be cut from any part of the sheet, virtually eliminating waste (offering greater economy versus wood).


Marine Board Applications

• Marine and non-marine walkways, cabinetry, countertops
• Ship and boat components
• Alternative to wood and metal
• Furniture hatches
• Cover rails
• Trim and components decorative wood


Physical Properties of Marine Board HDPE Sheet
Molecular Weight 0.062 lbs.
Density 58.1 - 60.2 lbs/ft^3
Water Absorption 0.03% at 24 hours
Modulus of Elasticity:
Homopolymer
Copolymer

150k psi
60k - 145k psi
DSC Melting Point:
Homopolymer
Copolymer

275F
230 - 273F
Specific Heat @ 73F 2.25 kJ/kg K
Hardness, Shore D 55 - 70
Coefficient of Friction 0.29
Auto-Ignition Temperature 790F
Elongation at Yield 10%
Tensile Modulus of Elasticity 900 N/mm^2
*Values listed are typical and are meant only as a guide to aid in design. Field testing should be performed to find the actual values for your application.

Resistance to Chemicals
R = Resistant | L = Limited Resistance | N = Non-Resistant
Chemical Resistance
Acetic Acid 10% R
Acetone R
Alcohols R
Aluminum R
Alum Chloride R
Alum Sulphate R
Ammonia R
Amyl Acetate R
Aniline R
Beer R
Benzaldehyde R
Boric Acid R
Butyl Acetate L
Calcium Chloride R
Carbon Tetrachloride N
Chlorine LR @ 68F
N @ 140F
Chlorobenzene N
Chloroform N
Citric Acid R
Copper Salts R
Cyclohexane N
Ether R
Fatty Acids (>C6) R
Fluorine N
Formaldehyde 40% R
Glycerine R
Glycol & Glycolic Acid R
Hydrobromic Acid 50% R
Hydrochloric Acid R
Hydrogen Peroxide R < 30%
N > 30%
Hydrogen Sulphide R
Hypochlorites R
Lead Acetate R
Meat Juices R
Phosphoric Acid 50% R
Mercury R
Methanol R @ 68F
N @ 140F
Methylene Chloride LR @ 68F
N @140F
Milk & Dairy R
Moisture R
Naptha N
Nitric Acid <25% R
Nitric Acid 50% LR @ 68F
N @140F
Nitric Acid 90% N
Diesel R @ 68F
N @140F
Oils, Mineral R
Oils, Vegetable and Animal R @ 68F
N @140F
Paraffin Wax R
Phosphoric Acid 20-95% R
Phosphorous Chlorides N
Phosphorous Pentoxide R
Sea Water R
Silicone Fluids R

Sodium:
Carbonate
Peroxide
Silicate
Sulphide

R
Starch & Sugar R
Sulphur R @ 68F
N @140F
Trichlorethylene R @ 68F
N @140F
Vinegar R
Water, Hard & Soft R
Yeast R
Zinc Chloride R


Title  

Description  
HDPE MARINE BOARD SHEET - BLACK
Marine Board withstands the rigors of harsh outdoor marine environments.
HDPE MARINE BOARD SHEET - DOLPHIN GRAY
Marine Board withstands the rigors of harsh outdoor marine environments.
HDPE MARINE BOARD SHEET - SANDSHADE
Marine Board withstands the rigors of harsh outdoor marine environments.
HDPE MARINE BOARD SHEET - LIGHT GRAY
Marine Board withstands the rigors of harsh outdoor marine environments.
HDPE MARINE BOARD SHEET - SEA FOAM GRAY
Marine Board withstands the rigors of harsh outdoor marine environments.
HDPE MARINE BOARD SHEET - WHITE
Marine Board withstands the rigors of harsh outdoor marine environments.

KING STARBOARD® SHEET - BLACK
King Starboard withstands the rigors of harsh outdoor marine environments.
KING STARBOARD® SHEET - DOLPHIN GRAY
King Starboard withstands the rigors of harsh outdoor marine environments.
KING STARBOARD® SHEET - SANDSHADE
King Starboard withstands the rigors of harsh outdoor marine environments.
KING STARBOARD® SHEET - LIGHT GRAY
King Starboard withstands the rigors of harsh outdoor marine environments.
KING STARBOARD® SHEET - SEAFOAM
King Starboard withstands the rigors of harsh outdoor marine environments.
KING STARBOARD® SHEET - WHITE
King Starboard withstands the rigors of harsh outdoor marine environments.

MARINE BOARD - BLACK XL
Marine Board XL is a lighter, economical version of Marine Board.
MARINE BOARD XL - BLACK
Marine Board XL is a lighter, economical version of Marine Board.
MARINE BOARD - GRAY XL
Marine Board XL is a lighter, economical version of Marine Board.
MARINE BOARD - WHITE XL
Marine Board XL is a lighter, economical version of Marine Board.
MARINE BOARD - WHITE XL
Marine Board XL is a lighter, economical version of Marine Board.

HDPE KING STARBOARD® SHEET - BLACK XL
King Starboard XL is a lighter, economical version of King Starboard.
HDPE KING STARBOARD® - DOLPHIN GRAY XL
King Starboard XL is a lighter, economical version of King Starboard.
HDPE KING STARBOARD® - WHITE XL
King Starboard XL is a lighter, economical version of King Starboard.

King Starlite® Sheet - Black XL Utility
King Starlite XL Utility is a lightweight marine substrate utility sheet.
King Starlite® - Dolphin Gray XL Utility
King Starlite XL Utility is a lightweight marine substrate utility sheet.
King Starlite® - White XL Utility
King Starlite XL Utility is a lightweight marine substrate utility sheet.
King Starlite® - White XL Utility
King Starlite XL Utility is a lightweight marine substrate utility sheet.

HDPE Welding Rod - Marine Grade White
Marine Grade HDPE welding rod is sold by the pound, shipped in 4' straight lengths.
HDPE Welding Rod - Black
HDPE welding rod is sold by the pound, shipped in 4' straight lengths.
HDPE Welding Rod - Natural
HDPE welding rod is sold by the pound, shipped in 4' straight lengths.
HDPE Welding Rod - White
HDPE welding rod is sold by the pound, shipped in 4' straight lengths.
LDPE Welding Rod - Black
LDPE welding rod is sold by the pound, shipped in 4' straight lengths.
LDPE Welding Rod - Natural
LDPE welding rod is sold by the pound, shipped in 4' straight lengths.
 



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Phone: (888) 768-5759
330 Commerce Circle
Sacramento, CA 95815 david.h@interstateplastics.com
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