Material Material |
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For Joining For Joining |
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Length Length |
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Shape Shape |
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Rod and Disc | Round Tube |
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Straight |
Color Color |
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![]() | White | ![]() | Black |
![]() | Off-White | ![]() | Light Gray |
Flexibility Flexibility |
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![]() | Semi-Rigid |
![]() | Rigid |
Performance Properties Performance Properties |
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For Use With For Use With |
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Hardness Rating Hardness Rating |
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Clarity Clarity |
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Opaque |
Texture Texture |
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![]() | Smooth |
Water Absorption Rating Water Absorption Rating |
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For Use Outdoors For Use Outdoors |
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Friction Rating Friction Rating |
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Environment Environment |
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Tensile Strength Rating Tensile Strength Rating |
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Specifications Met Specifications Met |
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Maximum Temperature Maximum Temperature |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Plastic
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Polypropylene Rods

- Color: White
- Temperature Range: 45° to 180° F
- Tensile Strength: 4,060-4,930 psi (Poor)
- Impact Strength 0.9-1.9 ft.-lbs./in. (Poor)
- Hardness: Rockwell R80-R90 (Hard)
- For Use Outdoors: No
A good all-around choice, these rods have a hard, slippery surface that won’t bind or stick to cutting tools. They’re often used to make parts for laboratory equipment because they resist swelling when exposed to water. Polypropylene has good electrical insulation properties.
For technical drawings and 3-D models, click on a part number.
Dia. | Dia. Tolerance | Lengths, ft. | Specifications Met | Each | |
1/8" | -0.005" to 0.005" | 8 | FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 |
3/16" | -0.005" to 0.005" | 8 | FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 0000 |
1/4" | 0.000" to 0.010" | 8 | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 |
3/8" | 0.000" to 0.015" | 8 | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 |
1/2" | 0.000" to 0.020" | 8 | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 |
3/4" | 0.000" to 0.030" | 8 | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 |
Per Ft. | |||||
---|---|---|---|---|---|
1" | 0.000" to 0.040" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 0000 | |
1 1/4" | 0.000" to 0.050" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 0000 | |
1 1/2" | 0.000" to 0.060" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 | |
1 3/4" | 0.000" to 0.070" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 | |
2" | 0.000" to 0.080" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 | |
2 1/4" | 0.000" to 0.090" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 | |
2 1/2" | 0.000" to 0.100" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 | |
3" | 0.000" to 0.120" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 | |
3 1/2" | 0.000" to 0.140" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 | |
4" | 0.000" to 0.160" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 | |
5" | 0.000" to 0.200" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 00000 | |
6" | 0.000" to 0.240" | ASTM D4101, FDA Compliant 21 CFR 177.1520, UL 94 HB, USP Class VI | 0000000 | 000000 |
Polypropylene Tubes
- Color: Black
- Temperature Range: Not Rated
- Tensile Strength: 4,060-4,930 psi (Poor)
- Impact Strength: 0.9-1.9 ft.-lbs./in. (Poor)
- Hardness: Rockwell R80-R90 (Hard)
- For Use Outdoors: No
- Specifications Met: ASTM D4101
With a hard, slippery surface that ensures smooth cutting, these polypropylene tubes are often fabricated into parts for laboratory equipment. They resist swelling when exposed to water, plus they’re good electrical insulators. The OD is oversized and the ID is undersized for finishing to the sizes listed.
Plastic Welding Rods for Polypropylene

Dia. | Color | Lg., ft. | Each | |
1 lbs. | ||||
---|---|---|---|---|
For Joining Polypropylene Plastic | ||||
1/8" | Black | 220 | 0000000 | 000000 |
1/8" | Off-White | 220 | 0000000 | 00000 |
1/8" | White | 220 | 0000000 | 00000 |
5/32" | Black | 140 | 0000000 | 00000 |
5/32" | Off-White | 140 | 0000000 | 00000 |
5/32" | White | 140 | 0000000 | 00000 |
3/16" | Black | 95 | 0000000 | 00000 |
3/16" | Off-White | 95 | 0000000 | 00000 |
3/16" | White | 95 | 0000000 | 00000 |
5 lbs. | ||||
For Joining Polypropylene Plastic | ||||
1/8" | Black | 1,105 | 00000000 | 00000 |
1/8" | Off-White | 1,105 | 00000000 | 00000 |
1/8" | White | 1,105 | 00000000 | 00000 |
5/32" | Black | 710 | 00000000 | 00000 |
5/32" | Off-White | 710 | 00000000 | 00000 |
5/32" | White | 710 | 00000000 | 00000 |
3/16" | Black | 475 | 00000000 | 00000 |
3/16" | Off-White | 475 | 00000000 | 00000 |
3/16" | White | 475 | 00000000 | 00000 |
10 lbs. | ||||
For Joining Polypropylene Plastic | ||||
1/8" | Black | 2,210 | 00000000 | 000000 |
1/8" | Off-White | 2,210 | 00000000 | 00000 |
1/8" | White | 2,210 | 00000000 | 000000 |
5/32" | Black | 1,420 | 00000000 | 000000 |
5/32" | Off-White | 1,420 | 00000000 | 00000 |
5/32" | White | 1,420 | 00000000 | 000000 |
3/16" | Black | 950 | 00000000 | 000000 |
3/16" | Off-White | 950 | 00000000 | 00000 |
3/16" | White | 950 | 00000000 | 000000 |
15 lbs. | ||||
For Joining Polypropylene Plastic | ||||
1/8" | Black | 3,315 | 00000000 | 000000 |
1/8" | Off-White | 3,315 | 00000000 | 000000 |
1/8" | White | 3,315 | 00000000 | 000000 |
5/32" | Black | 2,130 | 00000000 | 000000 |
5/32" | Off-White | 2,130 | 00000000 | 000000 |
5/32" | White | 2,130 | 00000000 | 000000 |
3/16" | Black | 1,425 | 00000000 | 000000 |
3/16" | Off-White | 1,425 | 00000000 | 000000 |
3/16" | White | 1,425 | 00000000 | 000000 |
UV-Resistant Polypropylene Pipe for Chemicals
This polypropylene pipe resists the damaging effects of ultraviolet light, so it’s suitable for outdoor use. It has the chemical resistance to withstand a wide variety of acids, solvents, and other harsh substances. Pipe has thick, strong walls for heavy duty chemical processing applications. It meets ASTM D4101 specifications and testing requirements for material quality.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas.
Sealants cannot be sold to Colorado, Connecticut, District of Columbia, Delaware, Illinois, Indiana, Massachusetts, Maryland, Maine, Michigan, New Hampshire, New Jersey, Northern Virginia, New York, Ohio, Pennsylvania, Rhode Island, or Utah due to local VOC (Volatile Organic Compounds) regulations.
For technical drawings and 3-D models, click on a part number.

- For Use With: Acetic Acid (5%), Calcium Chloride, Deionized Water, Hydrochloric Acid (10%), Phosphoric Acid (85%), Salt Water, Sodium Chloride, Sodium Hydroxide, Sulfuric Acid, Water
- Max. Temperature: 180° F
- Specifications Met: ASME B1.20.1, ASTM D4101
- Fittings: Use Schedule 80 Polypropylene Plastic
- Flanges: Use Class 150 Polypropylene Plastic
To prevent leaks in threaded connections, apply a non-hardening, plastic-compatible sealant to the male threads. Tape or sealants with PTFE are not recommended for plastic-to-plastic threaded connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the fitting, then wrench-tighten one to two turns.
Pipe that meets ASME B1.20.1 adheres to quality specifications for thread dimensions.
2 ft. | 3 ft. | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Pipe Size | OD | ID | Wall Thick. | Material | Color | Max. Pressure | Each | Each | ||
NPT Threads | ||||||||||
1/4 | 35/64" | 0.302" | 0.119" | Polypropylene Plastic | Black | 20 psi @ 72° F | 0000000 | 000000 | 0000000 | 000000 |
1/2 | 27/32" | 0.546" | 0.147" | Polypropylene Plastic | Black | 20 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
3/4 | 1 3/64" | 0.742" | 0.154" | Polypropylene Plastic | Black | 20 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
1 | 1 5/16" | 0.957" | 0.179" | Polypropylene Plastic | Black | 20 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
1 1/4 | 1 21/32" | 1.278" | 0.191" | Polypropylene Plastic | Black | 20 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
1 1/2 | 1 29/32" | 1.5" | 0.2" | Polypropylene Plastic | Black | 20 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
2 | 2 3/8" | 1.939" | 0.218" | Polypropylene Plastic | Black | 20 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
3 | 3 1/2" | 2.9" | 0.3" | Polypropylene Plastic | Black | 20 psi @ 72° F | 0000000 | 00000 | 0000000 | 000000 |
4 | 4 1/2" | 3.826" | 0.337" | Polypropylene Plastic | Black | 20 psi @ 72° F | 0000000 | 000000 | 0000000 | 000000 |
Non-Hardening Thread Sealant (8-oz. Brush-Top Can) | 000000 | Each | 000000 |

- For Use With: Solvents
- Temperature Range: -20° to 180° F
- Specifications Met: ASTM D4101
- Fittings: Use Schedule 80 Polypropylene Plastic
- Flanges: Use Class 150 Polypropylene Plastic
Use heat welding to connect unthreaded pipe to unthreaded female socket-connect fittings.
Pipe Size | OD | ID | Wall Thick. | Material | Color | Max. Pressure | Each | |
2 ft. | ||||||||
---|---|---|---|---|---|---|---|---|
1/2 | 27/32" | 0.546" | 0.147" | Polypropylene Plastic | Black | 410 psi @ 72° F | 0000000 | 000000 |
3/4 | 1 3/64" | 0.742" | 0.154" | Polypropylene Plastic | Black | 330 psi @ 72° F | 0000000 | 00000 |
1 | 1 5/16" | 0.957" | 0.179" | Polypropylene Plastic | Black | 310 psi @ 72° F | 0000000 | 00000 |
1 1/4 | 1 21/32" | 1.278" | 0.191" | Polypropylene Plastic | Black | 200 psi @ 72° F | 0000000 | 00000 |
1 1/2 | 1 29/32" | 1.5" | 0.2" | Polypropylene Plastic | Black | 230 psi @ 72° F | 0000000 | 00000 |
2 | 2 3/8" | 1.939" | 0.218" | Polypropylene Plastic | Black | 200 psi @ 72° F | 0000000 | 00000 |
3 | 3 1/2" | 2.9" | 0.3" | Polypropylene Plastic | Black | 190 psi @ 72° F | 0000000 | 00000 |
5 ft. | ||||||||
1/2 | 27/32" | 0.546" | 0.147" | Polypropylene Plastic | Black | 410 psi @ 72° F | 0000000 | 00000 |
3/4 | 1 3/64" | 0.742" | 0.154" | Polypropylene Plastic | Black | 330 psi @ 72° F | 0000000 | 00000 |
1 | 1 5/16" | 0.957" | 0.179" | Polypropylene Plastic | Black | 310 psi @ 72° F | 0000000 | 00000 |
1 1/4 | 1 21/32" | 1.278" | 0.191" | Polypropylene Plastic | Black | 200 psi @ 72° F | 00000000 | 00000 |
1 1/2 | 1 29/32" | 1.5" | 0.2" | Polypropylene Plastic | Black | 230 psi @ 72° F | 0000000 | 00000 |
2 | 2 3/8" | 1.939" | 0.218" | Polypropylene Plastic | Black | 200 psi @ 72° F | 0000000 | 00000 |
3 | 3 1/2" | 2.9" | 0.3" | Polypropylene Plastic | Black | 190 psi @ 72° F | 00000000 | 000000 |
10 ft. | ||||||||
1/2 | 27/32" | 0.546" | 0.147" | Polypropylene Plastic | Black | 410 psi @ 72° F | 0000000 | 00000 |
3/4 | 1 3/64" | 0.742" | 0.154" | Polypropylene Plastic | Black | 330 psi @ 72° F | 0000000 | 00000 |
1 | 1 5/16" | 0.957" | 0.179" | Polypropylene Plastic | Black | 310 psi @ 72° F | 0000000 | 00000 |
1 1/4 | 1 21/32" | 1.278" | 0.191" | Polypropylene Plastic | Black | 200 psi @ 72° F | 0000000 | 00000 |
1 1/2 | 1 29/32" | 1.5" | 0.2" | Polypropylene Plastic | Black | 230 psi @ 72° F | 0000000 | 000000 |
2 | 2 3/8" | 1.939" | 0.218" | Polypropylene Plastic | Black | 200 psi @ 72° F | 0000000 | 000000 |
3 | 3 1/2" | 2.9" | 0.3" | Polypropylene Plastic | Black | 190 psi @ 72° F | 0000000 | 000000 |

- For Use With: Solvents
- Temperature Range: 32° to 212° F
- Specifications Met: ASTM D4101
- Fittings:: Use Polypropylene Plastic
Use heat welding to connect unthreaded pipe to unthreaded female socket-connect fittings.
8 ft. | ||||||||
---|---|---|---|---|---|---|---|---|
DIN Size, mm | OD, mm | ID, mm | Wall Thick., mm | Material | Color | Max. Pressure | Each | |
20 | 20 | 16.2 | 1.9 | Polypropylene Plastic | Light Gray | 150 psi @ 72° F | 00000000 | 000000 |
25 | 25 | 20.4 | 2.3 | Polypropylene Plastic | Light Gray | 150 psi @ 72° F | 00000000 | 00000 |
32 | 32 | 26.2 | 2.9 | Polypropylene Plastic | Light Gray | 150 psi @ 72° F | 00000000 | 00000 |
50 | 50 | 40.8 | 4.6 | Polypropylene Plastic | Light Gray | 150 psi @ 72° F | 00000000 | 000000 |
63 | 63 | 51.4 | 5.8 | Polypropylene Plastic | Light Gray | 150 psi @ 72° F | 00000000 | 000000 |