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HDPE Plastic - Sheets, Rods, Tubes and Accessories

High Density Polyethylene provided by Interstate Plastics: A high impact strength, abrasion resistant, and low coefficient of friction plastic with excellent chemical and weather resistance.

HDPE is also known by brand names including King Starboard, King Starlite, ColorCore, Proteus, PE2PRINT, Corrtec, Playboard, and Designboard.


HDPE Sheet

HDPE Sheet

HDPE Rod

HDPE Rod

Marine Use HDPE - Marine Board and Starboard

Marine Use

HDPE Cutting Board - FDA Approved

Cutting Board


Color Core HDPE Signage Material

LDPE Sheet

Color Core HDPE Signage Material

Signage

HDPE XL Utility Lightweight

Welding Rod

Sample Packs

HDPE Overview

Interstate Plastics is proud to carry High Density Polyethylene (HDPE), a machinable thermoplastic known for its high strength-to-density ratio, long term durability and light weight. HDPE's toughness and flexibility make it one of the most commonly used plastics in the United States today.

HDPE's versatility and high tolerance to many substances and environments alongside a very competitive price make it an outstanding material for a wide variety of applications. HDPE has a low coefficient of friction and can be easily cut, machined, welded, and thermoformed for easy fabrication. HDPE will not splinter, rot or absorb harmful bacteria, and is extremely resistant to cleaning agents.

HDPE is also known by brand names including King Starboard®, King Starlite®, ColorCore®, Proteus®, PE2Print®, Corrtec®, Playboard® and Designboard®.


• 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
• Machines well with common woodworking tools


Varying Grades of HDPE

HDPE & Marine Board
HPDE is a very light and extremely tough, chemically resistant plastic and is one of the most commonly used plastics in the United States. It does not absorb water and has good sliding abrasion resistance in addition to a unique self-lubricant. High density polyethylene lends itself particularly well to blow molding, e.g. for bottles, cutting boards, dipping baskets, dippers, trays and containers.

HDPE XL
Interstate Plastics Marine Board 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. Black and white are priced the same. You can expect 15 day delivery for this item. Interstate Plastics' Black Marine Board 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.

HDPE 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 with 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 (making it more economical than wood).


HDPE Applications

With a low coefficient of friction, long term durability, abrasion resistance as well as high impact strength, it’s no wonder HDPE is the product of choice for so many applications within marine biology, packaging, industrial, plumbing, food and beverage, consumer industries and more.

Marine Use
HDPE is most commonly known to be used in marine wear applications. Resistance to acid, odor, moisture, mildew and stains make it a one of a kind plastic solution for marine usage. HDPE is used in marine applications such as boating seats and floors (when covered from UV lights), cabinetry, counter tops and walkways.

Storage Applications
Its light weight, durability, flexibility and toughness make HDPE a great solution for many storage applications including bottles, bottle caps, food storage containers, bins, laundry detergent bottles, and water cans. Fuel tanks for vehicles, plastic bags, storage sheds, and lawn and garden products are also produced from HDPE plastic. Due to its high chemical resistance, HDPE is used to make geomembranes for hydraulic applications (such as canals and bank reinforcements) and chemical containment.

Piping Systems
HDPE has the durability and water-, abrasion-, and chemical resistance to make it an ideal plastic solution for many piping systems including chemical resistant piping systems, corrosion protection for steel pipelines, geothermal heat transfer piping systems, water pipes for domestic water supply, and agricultural processes.

Industrial
Industrial industries all over the nation use HDPE plastic to produce tough and durable products such as mechanical parts, tank linings and wear strips. These products rely on the impact resistance and super tensile strength of HDPE products, which make them more durable and reliable.

Consumer
HDPE plastic is used to make a myriad of consumer products such as swimming pool installations, backpacking frames, banners, folding chairs and tables as well as hard hats. Products such as hula hoops, plastic lumber and fireworks are produced using HDPE, for its flexibility and toughness. FDA compliant grades of HDPE also make several products for kitchen use including cutting boards, cheese molds and molds for frozen food.

Boarding
One of HDPE’s most commonly used applications is its use in boarding material such as arena board (puck board) in hockey rinks and moisture resistant body boards for use in morgues.


• Marine Use: boating seats, floors, cabinetry, counter tops, walkways

• Storage: bottles, bottle caps, food containers, plastic bags, bins, laundry detergent bottles, fuel tanks, watering cans, lawn and garden products, storage sheds, geomembranes for hydraulic applications (such as canals and bank reinforcements) and chemical containment.

• Piping Systems: chemical resistant piping systems, corrosion protection for steel pipelines, geothermal heat transfer piping systems, water pipes for domestic water supply, agricultural processes

• Industrial: mechanical parts, tank linings, wear strips

• Consumer: swimming pool installations, backpacking frames, banners, folding chairs and tables, hard hats, hula hoops, plastic lumber, fireworks

• Boarding: arena board (puck board), moisture resistant body boards for morgues

• Food and Beverage: FDA approved cutting board, cheese molds, frozen food molds


Physical Properties of 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 @ 73°F 2.25 kJ/kg K
Hardness, Shore D 55 - 70
Coefficient of Friction 0.29
Auto-Ignition Temperature 790°F
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 Sheet - Natural
High Density Polyethylene is durable and used in many industrial applications.
HDPE Sheet - Black
HDPE has high impact strength, abrasion resistance, and a low coefficient of friction.
HDPE Sheet - Natural Cutting Board
HDPE cutting board is engineered for durability, low maintenance and safety.
HDPE Rod - Natural
A very light and extremely tough, chemically resistant plastic.
     
HDPE Marine Board Sheet - White
Marine Board withstands the rigors of harsh outdoor marine environments.
HDPE King Starboard® Sheet - White
King Starboard withstands the rigors of harsh outdoor marine environments.
HDPE Marine Board Sheet - Black
Marine Board withstands the rigors of harsh outdoor marine environments.
HDPE King Starboard® Sheet - Black
King Starboard 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 King Starboard® Sheet - Light Gray
King Starboard 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 King Starboard® Sheet - Dolphin Gray
King Starboard 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 King Starboard® Sheet - Seafoam
King Starboard withstands the rigors of harsh outdoor marine environments.
HDPE Marine Board Sheet - Sandshade
Marine Board withstands the rigors of harsh outdoor marine environments.
HDPE King Starboard® Sheet - Sandshade
King Starboard withstands the rigors of harsh outdoor marine environments.
HDPE Marine Board Sheet A/S - Light Gray
A/S Marine Board is a sure-grip decking material designed for high-traffic areas.
HDPE Marine Board - White XL
Marine Board XL is a lighter, economical version of Marine Board.
HDPE King Starboard® - White XL
King Starboard XL is a lighter, economical version of King Starboard.
HDPE King Starlite® - White XL Utility
King Starlite XL Utility is a lightweight marine substrate utility sheet.
HDPE Marine Board - Gray XL
Marine Board XL is a lighter, economical version of Marine Board.
HDPE King Starboard® - Dolphin Gray XL
King Starboard XL is a lighter, economical version of King Starboard.
HDPE King Starlite® - Dolphin Gray XL Utility
King Starlite XL Utility is a lightweight marine substrate utility sheet.
HDPE Marine Board - Black 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 Starlite® Sheet - Black XL Utility
King Starlite XL Utility is a lightweight marine substrate utility sheet.
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 - Marine Grade White
Marine Grade 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.
HDPE Colorcore - Yellow/Red/Yellow
Mostly for signage applications, ColorCore withstands the harshest outdoor conditions.
HDPE Colorcore - Blue/White/Blue
Mostly for signage applications, ColorCore withstands the harshest outdoor conditions.
HDPE Colorcore - Red/White/Red
Mostly for signage applications, ColorCore withstands the harshest outdoor conditions.
HDPE Colorcore - Red/Yellow/Red
Mostly for signage applications, ColorCore withstands the harshest outdoor conditions.
LDPE Sheet - Natural
LDPE is used for its toughness and is more flexible than HDPE.
Machinable Plastics Material Sample Pack
6x6" sample of ABS, Acetal, Acrylic, HDPE, PVC, UHMW, and 3x3" sample of PTFE.
Onsrud - Plastic Router Bits
Plastic cutting bits by Onsrud are an industry standard in quality.
Onsrud High Speed Steel Two Flute Fractional Drill Bit
Plastic cutting bits by Onsrud are an industry standard in quality.
Plastic Saw Blades
Saw blades that offer premium performance on hard and soft plastics.
 



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