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Moisture-Resistant Polyethylene (HDPE) Sheets, Bars, and Strips

Practically nonabsorbent, these sheets, bars, and strips won't swell when exposed to water. They’re harder and denser than LDPE, plus they’re more chemical resistant. They are often machined into plugs, seals, and containers.
If you don't see the size you're looking for, please specify length and width under additional sheet sizes.
For technical drawings and 3-D models, click on a part number.
- Color: White
- Maximum Temperature: 180° F
- Tensile Strength: 3,920-4,200 psi (Poor)
- Impact Strength: 1.1-1.94 ft.-lbs./in. (Poor)
- Hardness: Rockwell R40-R80 (Medium)
- For Use Outdoors: No
- Specifications Met: ASTM D4976, FDA Compliant 21 CFR 177.1520, UL 94 HB
Thick. | Thick. Tolerance | Each | |
6" × 6" | |||
---|---|---|---|
1/2" | -0.025" to 0.025" | 00000000 | 00000 |
5/8" | -0.031" to 0.031" | 00000000 | 00000 |
3/4" | -0.038" to 0.038" | 00000000 | 00000 |
1" | -0.05" to 0.05" | 00000000 | 00000 |
1 1/4" | -0.063" to 0.063" | 00000000 | 00000 |
1 1/2" | -0.15" to 0.15" | 00000000 | 00000 |
2" | -0.2" to 0.2" | 00000000 | 00000 |
3" | -0.3" to 0.3" | 00000000 | 00000 |
4" | -0.4" to 0.4" | 00000000 | 00000 |
12" × 12" | |||
1/32" | -0.002" to 0.002" | 0000000 | 0000 |
1/16" | -0.003" to 0.003" | 00000000 | 0000 |
3/32" | -0.005" to 0.005" | 0000000 | 0000 |
1/8" | -0.006" to 0.006" | 00000000 | 0000 |
3/16" | -0.009" to 0.009" | 00000000 | 0000 |
1/4" | -0.013" to 0.013" | 00000000 | 0000 |
3/8" | -0.019" to 0.019" | 00000000 | 00000 |
1/2" | -0.025" to 0.025" | 00000000 | 00000 |
5/8" | -0.031" to 0.031" | 0000000 | 00000 |
3/4" | -0.038" to 0.038" | 00000000 | 00000 |
1" | -0.05" to 0.05" | 00000000 | 00000 |
1 1/4" | -0.063" to 0.063" | 0000000 | 00000 |
1 1/2" | -0.15" to 0.15" | 00000000 | 00000 |
2" | -0.2" to 0.2" | 00000000 | 000000 |
3" | -0.3" to 0.3" | 00000000 | 000000 |
4" | -0.4" to 0.4" | 00000000 | 000000 |
24" × 24" | |||
1/32" | -0.002" to 0.002" | 0000000 | 00000 |
1/16" | -0.003" to 0.003" | 00000000 | 00000 |
3/32" | -0.005" to 0.005" | 0000000 | 00000 |
1/8" | -0.006" to 0.006" | 00000000 | 00000 |
3/16" | -0.009" to 0.009" | 00000000 | 00000 |
1/4" | -0.013" to 0.013" | 00000000 | 00000 |
3/8" | -0.019" to 0.019" | 00000000 | 00000 |
1/2" | -0.025" to 0.025" | 00000000 | 00000 |
5/8" | -0.031" to 0.031" | 0000000 | 00000 |
3/4" | -0.038" to 0.038" | 00000000 | 00000 |
1" | -0.05" to 0.05" | 00000000 | 000000 |
1 1/4" | -0.063" to 0.063" | 0000000 | 000000 |
1 1/2" | -0.15" to 0.15" | 00000000 | 000000 |
2" | -0.2" to 0.2" | 00000000 | 000000 |
3" | -0.3" to 0.3" | 00000000 | 000000 |
Thick. | Thick. Tolerance | Each | |
48" × 48" | |||
---|---|---|---|
1/32" | -0.002" to 0.002" | 0000000 | 000000 |
1/16" | -0.003" to 0.003" | 00000000 | 00000 |
3/32" | -0.005" to 0.005" | 0000000 | 00000 |
1/8" | -0.006" to 0.006" | 00000000 | 00000 |
3/16" | -0.009" to 0.009" | 00000000 | 00000 |
1/4" | -0.013" to 0.013" | 00000000 | 00000 |
3/8" | -0.019" to 0.019" | 00000000 | 000000 |
1/2" | -0.025" to 0.025" | 00000000 | 000000 |
5/8" | -0.031" to 0.031" | 0000000 | 000000 |
3/4" | -0.038" to 0.038" | 00000000 | 000000 |
1" | -0.05" to 0.05" | 00000000 | 000000 |
1 1/4" | -0.063" to 0.063" | 0000000 | 000000 |
1 1/2" | -0.15" to 0.15" | 00000000 | 000000 |
2" | -0.2" to 0.2" | 00000000 | 000000 |
3" | -0.3" to 0.3" | 00000000 | 00000000 |
- Color: White
- Maximum Temperature: 180° F
- Tensile Strength: 3,920-4,200 psi (Poor)
- Impact Strength: 1.1-1.94 ft.-lbs./in. (Poor)
- Hardness: Rockwell R40-R80 (Medium)
- For Use Outdoors: No
- Specifications Met: ASTM D4976, FDA Compliant 21 CFR 177.1520, UL 94 HB
Marine-Grade Moisture-Resistant Polyethylene (HDPE) Sheets and Bars

- Color: See Table
- Maximum Temperature: 180° F
- Tensile Strength: 4,100 psi (Poor)
- Impact Strength: 1.1 ft.-lbs./in. (Poor)
- Hardness: Durometer 68D (Medium)
- For Use Outdoors: Yes
- Specifications Met: ASTM D4976, UL 94 HB
Also known as starboard, these sheets and bars won’t degrade when exposed to salt water, humidity, and UV light. They’re more rigid than standard HDPE sheets and bars, and have a coarse texture that masks scuffs and scratches.
For technical drawings and 3-D models, click on a part number.
Thick. | Thickness Tolerance | Color | Each | |
6" × 6" | ||||
---|---|---|---|---|
3/16" | -0.009" to 0.009" | 00000000 | 00000 | |
1/4" | -0.013" to 0.013" | 00000000 | 0000 | |
1/2" | -0.025" to 0.025" | 0000000 | 0000 | |
3/4" | -0.038" to 0.038" | 00000000 | 0000 | |
1" | -0.05" to 0.05" | 00000000 | 00000 | |
12" × 12" | ||||
3/16" | -0.009" to 0.009" | 00000000 | 0000 | |
1/4" | -0.013" to 0.013" | 00000000 | 00000 | |
1/2" | -0.025" to 0.025" | 00000000 | 00000 | |
3/4" | -0.038" to 0.038" | 00000000 | 00000 | |
1" | -0.05" to 0.05" | 00000000 | 00000 | |
24" × 24" | ||||
3/16" | -0.009" to 0.009" | 00000000 | 00000 | |
1/4" | -0.013" to 0.013" | 00000000 | 00000 | |
1/2" | -0.025" to 0.025" | 00000000 | 00000 | |
3/4" | -0.038" to 0.038" | 0000000 | 00000 | |
1" | -0.05" to 0.05" | 00000000 | 000000 | |
24" × 48" | ||||
3/16" | -0.009" to 0.009" | 00000000 | 00000 | |
1/4" | -0.013" to 0.013" | 00000000 | 00000 | |
1/2" | -0.025" to 0.025" | 00000000 | 000000 | |
3/4" | -0.038" to 0.038" | 00000000 | 000000 | |
1" | -0.05" to 0.05" | 00000000 | 000000 | |
36" × 36" | ||||
1/4" | -0.013" to 0.013" | 00000000 | 00000 | |
1/2" | -0.025" to 0.025" | 00000000 | 000000 | |
3/4" | -0.038" to 0.038" | 00000000 | 000000 | |
48" × 48" | ||||
3/16" | -0.009" to 0.009" | 00000000 | 00000 | |
1/4" | -0.013" to 0.013" | 00000000 | 000000 | |
1/2" | -0.025" to 0.025" | 0000000 | 000000 | |
3/4" | -0.038" to 0.038" | 00000000 | 000000 | |
1" | -0.05" to 0.05" | 00000000 | 000000 |
Impact- and Moisture-Resistant Polyethylene (HDPE)

- Color: Black
- Maximum Temperature: 180° F
- Tensile Strength: 3,600 psi (Poor)
- Impact Strength: 9 ft.-lbs./in. (Excellent)
- Hardness: Durometer 66D (Medium)
- For Use Outdoors: Yes
- Specifications Met: ASTM D3350
Also known as pipe-grade HDPE, these sheets are about four times more impact resistant than standard HDPE and hold up outdoors, and in wet environments. While other high-impact plastics such as LDPE, UHMW, and ABS can’t be used outdoors, these sheets will not swell when exposed to water. They resist chemicals and contain carbon black, so they will not break down from UV exposure. These sheets are often used to make stub ends, gussets, end caps, flanges, tanks, and containers. Weld them using extrusion, hot gas, and speed tip welding methods and easily fabricate them with standard woodworking tools.
For technical drawings and 3-D models, click on a part number.
Thickness | Thickness Tolerance | Each | |
12" × 12" | |||
---|---|---|---|
1/8" | -0.0065" to 0.0065" | 00000000 | 00000 |
1/4" | -0.0125" to 0.0125" | 00000000 | 0000 |
1/2" | -0.025" to 0.025" | 00000000 | 00000 |
24" × 24" | |||
1/8" | -0.0065" to 0.0065" | 00000000 | 00000 |
1/4" | -0.0125" to 0.0125" | 00000000 | 00000 |
1/2" | -0.025" to 0.025" | 00000000 | 00000 |
3/4" | -0.075" to 0.075" | 00000000 | 00000 |
48" × 48" | |||
1/8" | -0.0065" to 0.0065" | 00000000 | 00000 |
1/4" | -0.0125" to 0.0125" | 00000000 | 000000 |
1/2" | -0.025" to 0.025" | 00000000 | 000000 |
3/4" | -0.075" to 0.075" | 00000000 | 000000 |
Recycled Marine-Grade Moisture-Resistant Polyethylene (HDPE) Sheets

- Color: Black
- Maximum Temperature: 180° F
- Tensile Strength: 2,100 psi (Poor)
- Impact Strength: 0.7 ft-lbs./in. (Poor)
- Hardness: Durometer 68D (Medium)
- For Use Outdoors: Yes
Made of recycled HDPE plastic, these sheets are more sustainable and economical than standard marine-grade moisture-resistant HDPE sheets. They won’t absorb moisture or swell when exposed to humidity. They also won’t degrade in salt water. However, their properties have more variance and broader ranges than material that is not recycled. Because these sheets have a low carbon footprint, they can help you meet criteria for sustainability certifications, such as LEED and Envision, or comply with company environmental initiatives.
Coarse sheets are textured to hide scuffs and scratches.
For technical drawings and 3-D models, click on a part number.
Thickness | Thickness Tolerance | Each | |
6" × 6" | |||
---|---|---|---|
Coarse | |||
3/4" | -0.038" to 0.038" | 00000000 | 000000 |
Smooth | |||
1" | -0.05" to 0.05" | 00000000 | 00000 |
12" × 12" | |||
Coarse | |||
3/4" | -0.038" to 0.038" | 00000000 | 00000 |
Smooth | |||
1" | -0.05" to 0.05" | 00000000 | 00000 |
24" × 24" | |||
Coarse | |||
3/16" | -0.009" to 0.009" | 00000000 | 00000 |
1/4" | -0.013" to 0.013" | 00000000 | 00000 |
1/2" | -0.025" to 0.025" | 00000000 | 00000 |
3/4" | -0.038" to 0.038" | 00000000 | 00000 |
Smooth | |||
1" | -0.05" to 0.05" | 00000000 | 000000 |
36" × 36" | |||
Coarse | |||
3/16" | -0.009" to 0.009" | 00000000 | 00000 |
1/4" | -0.013" to 0.013" | 00000000 | 00000 |
1/2" | -0.025" to 0.025" | 00000000 | 000000 |
3/4" | -0.038" to 0.038" | 00000000 | 000000 |
Smooth | |||
1" | -0.05" to 0.05" | 00000000 | 000000 |
48" × 48" | |||
Coarse | |||
3/16" | -0.009" to 0.009" | 00000000 | 00000 |
1/4" | -0.013" to 0.013" | 00000000 | 00000 |
1/2" | -0.025" to 0.025" | 00000000 | 000000 |
3/4" | -0.038" to 0.038" | 00000000 | 000000 |
Smooth | |||
1" | -0.05" to 0.05" | 00000000 | 000000 |
Multipurpose Plastic Selector Packs

You'll get one piece of each material listed, except nylon where you'll get two pieces (one piece of nylon 6/6 and one piece of cast nylon).
For technical drawings and 3-D models, click on a part number.
Material | Wd. | Lg. | Pkg. Qty. | Pkg. | |
ABS Plastic, Delrin® Acetal Plastic, HDPE Plastic, LDPE Plastic, Noryl PPO Plastic, Nylon Plastic, Polyester Plastic, Polystyrene Plastic, Rexolite Polystyrene Plastic, UHMW Plastic | 2" | 2" | 11 | 0000000 | 000000 |