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About Plastic
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Polypropylene Balls
- Color: Semi-Clear White
- Max. Temperature:
Solid Balls: 180° F
Hollow Balls: 220° F - Tensile Strength: 2,900-5,070 psi (Poor)
- Impact Strength: 0.9 ft.-lbs./in. (Poor)
- Hardness: Rockwell R99 (Hard)
- For Use Outdoors: No
- Specifications Met: See table
Resistant to swelling when exposed to water, these balls are often used in laboratory applications.
Hollow balls float. Use them in tanks to slow evaporation and reduce heat loss.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Specifications Met | Pkg. Qty. | Pkg. | |
Solid | |||||
|---|---|---|---|---|---|
| 1/8" | -0.002" to 0.002" | ASTM D4101 | 500 | 000000 | 00000 |
| 5/32" | -0.002" to 0.002" | ASTM D4101 | 500 | 000000 | 00000 |
| 3/16" | -0.002" to 0.002" | ASTM D4101 | 500 | 000000 | 00000 |
| 7/32" | -0.002" to 0.002" | ASTM D4101 | 250 | 000000 | 00000 |
| 1/4" | -0.002" to 0.002" | ASTM D4101 | 250 | 0000000 | 00000 |
| 9/32" | -0.002" to 0.002" | ASTM D4101 | 100 | 000000 | 00000 |
| 5/16" | -0.002" to 0.002" | ASTM D4101 | 250 | 0000000 | 00000 |
| 3/8" | -0.002" to 0.002" | ASTM D4101 | 100 | 0000000 | 0000 |
| 0.4" | -0.002" to 0.002" | __ | 15 | 0000000 | 0000 |
| 7/16" | -0.002" to 0.002" | ASTM D4101 | 50 | 000000 | 00000 |
| 1/2" | -0.002" to 0.002" | ASTM D4101 | 100 | 0000000 | 00000 |
| 5/8" | -0.002" to 0.002" | ASTM D4101 | 50 | 0000000 | 00000 |
| 3/4" | -0.002" to 0.002" | ASTM D4101 | 25 | 0000000 | 0000 |
| 0.787" | -0.002" to 0.002" | __ | 10 | 0000000 | 0000 |
| 7/8" | -0.002" to 0.002" | ASTM D4101 | 1 | 0000000 | 0000 |
| 1" | -0.002" to 0.002" | ASTM D4101 | 10 | 0000000 | 0000 |
| 1.479" | -0.002" to 0.002" | __ | 3 | 0000000 | 0000 |
Hollow | |||||
| 0.787" | -0.010" to 0.010" | FDA Compliant 21 CFR 177.1520 | 150 | 0000000 | 00000 |
| 1" | -0.015" to 0.015" | FDA Compliant 21 CFR 177.1520 | 25 | 0000000 | 0000 |
| 1.4" | -0.015" to 0.015" | FDA Compliant 21 CFR 177.1520 | 25 | 0000000 | 0000 |
| 1.496" | -0.010" to 0.010" | FDA Compliant 21 CFR 177.1520 | 50 | 0000000 | 00000 |
| 1.969" | -0.020" to 0.020" | FDA Compliant 21 CFR 177.1520 | 40 | 0000000 | 00000 |
| 3.15" | -0.030" to 0.030" | FDA Compliant 21 CFR 177.1520 | 10 | 0000000 | 00000 |
| 3.937" | -0.050" to 0.050" | FDA Compliant 21 CFR 177.1520 | 1 | 0000000 | 0000 |
Moisture-Resistant Polyethylene (HDPE) Balls
- Color: Semi-Clear White
- Temperature Range: Not Rated
- 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
Often used in check valves, relief valves, and float valves, these balls won’t swell when exposed to water. HDPE offers good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Threaded-Hole Ball Knobs
1
Install these traditional, easy-to-grip ball knobs on a threaded stud. They're good for control levers and push-pull rods.
Plastic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents. Polypropylene has good impact resistance.
For technical drawings and 3-D models, click on a part number.
Thread | Each | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | Pitch | Dp. | Head Dia. | Insert Material | Temperature Range, °F | 1-9 | 10-Up | |
Style 1 | ||||||||
Black Polypropylene Plastic | ||||||||
| 8-32 | __ | 3/8" | 3/4" | Brass | -15° to 225° | 00000000 | 00000 | 00000 |
| 10-24 | __ | 3/8" | 3/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 10-24 | __ | 3/8" | 1" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 10-24 | __ | 3/8" | 1 1/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 3/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 1/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 3/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 1/2" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 5/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 1/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 3/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 1/2" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 5/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 7/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 1/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 3/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 1/2" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 5/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 7/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 1/4" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 3/8" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 1/2" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 7/8" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/8"-11 | __ | 7/8" | 1 5/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/8"-11 | __ | 7/8" | 1 7/8" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 32mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 35mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 38mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 41mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 48mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 32mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 35mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 38mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 41mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 48mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 32mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 35mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 38mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 41mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 48mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
Red Polypropylene Plastic | ||||||||
| 10-24 | __ | 5/16" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 3/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 1/2" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 3/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 1/2" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 7/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 3/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 1/2" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 7/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/2"-13 | __ | 1/2" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 3/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 1/2" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 7/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/8"-11 | __ | 7/8" | 1 7/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
Floats for Threaded Rods
Cylindrical Polypropylene
Rectangular Polypropylene
Ball Polypropylene
Oblong Polypropylene
Connect these floats to threaded float rods (not included). Use them to replace an existing float or combine with rods and float valve bodies (not included) to build a float valve. All are for use with water.
Polypropylene floats are lightweight and have good corrosion resistance.
Cylindrical and rectangular floats are self-tapping, except 4" dia. floats have a threaded hose connection.
Polypropylene Plastic Cylindrical Floats
Slot | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Thread Size | Thread Type | Wd. | Lg. | Max. Pressure | Temp. Range, °F | Color | For Container Type | Each | |
| 1 1/2" | 2 1/2" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
| 1 1/2" | 3" | 6-32 / 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 1 1/2" | 3 3/4" | 6-32 / 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 1 5/8" | 5 1/4" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 2" | 3/4" | __ | __ | 1/16" | 1/4" | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 2" | 3 3/4" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 2 3/4" | 1 3/4" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 2 3/4" | 1 3/4" | 1/4"-20 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 4" | 6" | 1/4"-20 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
Polypropylene Plastic Rectangular Floats
Slot | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Thread Size | Thread Type | Wd. | Lg. | Max. Pressure | Temp. Range, °F | Color | For Container Type | Each | |
| 2 1/4" | 3 3/8" | 1" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
| 2 3/4" | 1 1/4" | 1 1/4" | __ | __ | 1/16" | 1/4" | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
| 3 3/4" | 2 5/8" | 2 1/4" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 3 3/4" | 2 5/8" | 2 1/4" | 1/4"-20 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
Polypropylene Plastic Ball Floats
| Dia. | Thread Size | Pipe Size | Thread Type | Max. Pressure | Temp. Range, °F | Color | Features | For Container Type | Each | |
| 5" | 1/4"-20 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 000000 |
| 6" | 1/4"-20 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 6" | 5/16"-18 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | __ | 3/8 | NPT | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | 1/4"-20 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | 5/16"-18 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | 3/8"-16 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
Polypropylene Plastic Oblong Floats
| Dia. | Lg. | Thread Size | Thread Type | Max. Pressure | Temp. Range, °F | Color | For Container Type | Each | |
| 4" | 5" | 1/4"-20 | UNC | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
Floats for Chemicals
Made of polyethylene, these floats can be used with chemicals, salts, and caustic fluids.
Ball floats are self-tapping when used with a threaded rod.
For technical drawings and 3-D models, click on a part number.
Polyethylene Plastic Rectangular Floats
Rectangular
| Lg. | Wd. | Ht. | Thread Size | Thread Type | Gender | Max. Pressure | Temp. Range, °F | Color | For Container Type | Each | |
| 3 3/4" | 2 1/2" | 1 7/16" | 8-32 | UNC | Female | Not Rated | 35° to 140° | Off-White | Open Tank | 0000000 | 00000 |
Polyethylene Plastic Ball Floats
| Dia. | Thread Size | Thread Type | Gender | Max. Pressure | Temp. Range, °F | Color | Features | For Container Type | Each | |
| 6" | 1/4"-20 | UNC | Female | Not Rated | 35° to 140° | Black | UV Resistant | Open Tank | 0000000 | 000000 |
| 6" | 5/16"-18 | UNC | Female | Not Rated | 35° to 140° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | 1/4"-20 | UNC | Female | Not Rated | 35° to 140° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | 5/16"-18 | UNC | Female | Not Rated | 35° to 140° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | 3/8"-16 | UNC | Female | Not Rated | 35° to 140° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
Moisture-Resistant Plastic Pellets
These pellets resist swelling when exposed to water, making them suitable for use in wet environments. Melt and mold them into desired shapes. Pellets are made from virgin resins and are compatible with various types of molding equipment such as injection molders and 3D printers.
Choose HDPE pellets for general-purpose applications such as protoyping.
Container | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | Net Weight, lbs. | Molding Temperature, °F | Melting Temperature, °F | Melt Flow Rate | Shrinkage | Hardness | Impact Strength | Tensile Strength | Clarity | Specifications Met | Each | |
HDPE Plastic | ||||||||||||
White | ||||||||||||
| Pail | 5 | 80° to 140° | 375° to 440° | 6 g/10 min | 1.2%-2% | Shore D62 (Medium) | 1 ft.-lbs./in. (Poor) | 4,100 psi (Poor) | Opaque | FDA Compliant 21 CFR 177.1520 | 0000000 | 0000000 |
| Cardboard Box | 55 | 80° to 140° | 375° to 440° | 6 g/10 min | 1.2%-2% | Shore D62 (Medium) | 1 ft.-lbs./in. (Poor) | 4,100 psi (Poor) | Opaque | FDA Compliant 21 CFR 177.1520 | 0000000 | 000000 |
Calibration Kit for Metal-Detectable Plastics
Made with metal additives, these balls test the sensitivity of food-processing metal detectors. They’re often used to calibrate metal detectors to find metal-detectable plastic tools that have fallen into a batch. To calibrate your metal detector, run different balls through the line—the smaller the ball, the more sensitive the detector must be to recognize it. Since they’re spheres, their orientation won’t affect a metal detector’s ability to register them. These balls help you comply with Hazard and Critical Control Point (HACCP) programs for food safety. They’re FDA compliant for direct contact with food. Balls are autoclavable, so you can sanitize them with steam.
| Material | Color | Max. Temperature, °F | Autoclavable | Includes | Specifications Met | Each | |
| Polypropylene Plastic | Blue | 180° | Yes | Sizes 4 mm to 14 mm (1 mm increments) | FDA Compliant 21 CFR 177.1520 | 0000000 | 00000 |