Solid plastic balls are made of high-performance engineering plastics (such as POM, PP, nylon, PTFE, etc.) through injection molding or mechanical processing, and then precision grinding and polishing
Appearance: The surface is extremely smooth and usually has a mirror effect. Structure: The interior is dense, without bubbles, and can withstand high physical pressure.
Accuracy: Professional manufacturers can provide products with tolerances within 0.001mm (which is precisely where "professionalism" is reflected)

POM (polyoxymethylene) solid ball
The industrial "Sai Steel", the hardest and most wear-resistant, commonly used in bearings.

PP (polypropylene) solid ball
ExtremelyExtremelyeight and corrosion-resistant, commonly used in laboratories and light industry floating balls.

PTFE (Teflon) solid ball
Laboratory grade temperature and strong acid resistant, it is the most expensive and professional choice.

Nylon solid ball
It has certain toughness and self-lubricating properties, and is commonly used in transmission devices.
Types Of Solid Plastic Ball
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68 Cal POM Plastic Balls 17mm 17.27mm 17.3mm Hard Solid P...Item:Multiple Sizes Available: Choose from 17mm, 17.27mm, and 17.3mmview more
Durable POM Balls: Resistant to wear and tear for long-lasting use.
Hard Solid Material: Ideal for industrial machinery parts and feeders.
Injection... -
Red Solid 0.68 Caliber Paintball Balls Pom Material Plast...Item:17.3mm pom plastic ballview more
17.27mm pom plastic ball
red color 17.3mm pom plastic ball
yellow color 17.3mm pom plastic ball
blue color 17.3mm pom plastic ball
green color 17.3mm... -
White Plastic BallsItem:White Plastic Ballsview more
material:Precision Solid Plastic Ball factory (Pom Acetal Delrin ,Nylon PA PA6 PA66, PP Polypropylene,PTFE Teflon ,PEEK,PS,HDPE,ABS,Acrylic )
Size:0.8mm-100mm
Grade:G0 G1... -
Pp Plastic BallsItem:Pp Plastic Ballsview more
material:Polypropylene, pp,(C3H6)n
Size:1mm-100mm
Grade:G0-G3 (0.01MM-0.05MM)
colors:different colors
POM plastic ball size :0.8mm-100mm
Nylon plastic ball... -
Polypropylene BallsPA: Polyamide, Nylon 6,6, Zytel, Ultramidview more
POM: Polyoxymethylene, Polyacetal, Hostaform, Derlrin, Ultraform
PAI: Polyamide-imide, Torlon
PP: Polypropylene, Hostalen, Moplen
PTFE: Polytetrafluoroethylene,... -
Plastic Grinding BallItem:Plastic Grinding Ballview more
Material:Delrin (Polyoxy-Methylene), POM, Acetal
Densiry:1.4g/cm^3
Grade:G0-G3(0.01-0.05mm)
Size:0.8mm-100mm
Colors:different color as customer request
MOQ:1000pcs -
Sealing Adjustment BallItem:Sealing Adjustment Ballview more
Material:Acetal (POM)
Size:0.8mm-100mm
Grade:G0 G1
Colors:colorful -
Small Hard Plastic BallItem:Small Hard Plastic Ballview more
Material:Polypropylene, pp,(C3H6)n
Size:1.588mm-100mm
Grade:G0-G3 (0.01MM-0.05MM)
color:naterual and different colors -
Small Bearing BallItem:Small Bearing Ballview more
Material:Polyetheretherketone, PEEK
Size:1mm-100mm
Grade:G0 G1 G2
Density:Around: 1.3/cm3
Color:natural color -
White Plastic BallItem:White Plastic Ballview more
Material:Acetal (POM), Polypropylene (PP) ,Nylon (PA PA66) ,PTFE(Teflon) ,PS ,PEEK, Acrylic (PMMA)
Size:0.8mm-100mm
Grade:G0 G1 G2
Color: different colors -
Peek Plastic BallItem:Peek Plastic Ballview more
Material:Polyetheretherketone, PEEK
Size:1mm-100mm
Density:Around: 1.3/cm3
Color:natural color -
Peek Thermoplastic BallItem:Peek Thermoplastic Ballview more
Size:1mm-100mm
Grade:G0-G3(0.01-0.05mm)
Material:Polyetheretherketone, PEEK
Density:Around: 1.3/cm3
The Five Core Advantages of solid plastic ball
1. Dense and solid, hard core compression characteristics: 100% pure solid filling, no bubbles or sand holes inside. Selling point: With extremely high structural strength, it does not burst or collapse in high-pressure environments, and its service life is 3-5 times that of ordinary spheres.
2. Micron level high precision (Precision) features: using imported CNC grinding machines for secondary precision grinding, with tolerances controlled at $\ pm 0.01mm \ sim 0.02mm $. Selling point: True roundness guarantee, smooth operation in high-frequency vibration and precision slide rail, no jamming, ultra quiet.
3. Excellent chemical and physical stability characteristics: High performance materials such as POM (Sai Steel), PA (Nylon), PP, PE, etc. can be selected according to requirements. Selling points: self-lubricating and wear-resistant, acid and alkali resistant, non rusting. The performance remains stable in oil, chemical solvents, or humid environments.
4. Stable center of gravity and precise trajectory characteristics: The solid structure ensures that the center of gravity of the sphere coincides with the height of the geometric center. Selling point: In fluid control (such as valve check), it opens and closes quickly and seals tightly; In competitive equipment, the trajectory is more stable.
5. Deep processing friendly features: fully solid structure. Selling point: Supports drilling, tapping, cutting or chamfering at any angle, and the interior remains tight after processing, without losing support like a hollow ball.
Main Functions
Precision transmission: As a bearing, slide rail, and universal ball, it provides low friction and high load rolling support.
Fluid sealing: acting as a valve core in one-way valves and check valves, utilizing its precise roundness to achieve zero leakage sealing.
Liquid level indication: Using the density difference of different materials, solid balls can accurately float or sink, used for liquid level sensors.
Weighted filling: Provides precise physical weight distribution without sparking or magnetic interference like metal balls.
Solid Plastic Ball Wide Applications
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Industry |
Applications |
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industrial manufacturing |
Check valves, hydraulic components, pneumatic components, precision bearings, furniture slides |
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medical device |
Ventilator one-way valve, medication mixing ball, laboratory testing equipment |
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Sports competition |
Fascia ball, hockey, hand cranked bell balance ball, weight-bearing trainer, game console |
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Electronic and Electrical Appliances |
Insulation support, switch trigger ball, anti-static ball |
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Creative Lifestyle |
High end cosmetics mixing, window display, environmentally friendly buoyancy materials |
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Products |
POM Delrin plastic ball |
Polypropylene PP plastic ball |
Nylon PA66 plastic ball |
PTFE plastic ball Polytetrafluoro ethylene |
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Material |
POM Delrin plastic |
Polypropylene PPplastic |
Nylon PA66 plastic |
Teflon Balls-PTFE |
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Size |
0.8mm-100mm |
1.588mm-100mm |
2mm-100mm |
1mm-200mm |
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Grade |
G0-G3 (±0.01-0.05mm) |
G0-G3 (±0.01-0.05mm) |
G0-G3 (±0.01-0.05mm) |
G0-G3 (±0.01-0.05mm) |
Feature of different materail of solid plastic bal
POM Delrin Plastic Ball
High Hardness; High Density; Low Water Absorption. It is similar to nylon, but slightly harder than nylon, slightly larger than the density recommended products applied to the required low water absorption
Polypropylene PP Plastic Ball
Anti-chamicals; Low Density;Good Insulation; Good Corrosion Resistance
The highest melting point of the thermoplastic with excellent electrical insulator and low dielectric coefficient, often used for floating capacity requirements
Nylon PA66 Plastic Ball
The nylon has preferably the alkali metal, to adapt to the neutral characteristics of petroleum products and all kinds of chemical products.
PTFE plastic ball Polytetrafluoro ethylene plastic ball
Temperature Tolerance -180-250
Degree Celsius; High Hardness; Good Property of
Anti-chamicals; Low Density;Good Insulation; Good Corrosion Resistance.
Pom ball applications:POM ball table,drawer slide device bearings, rollers, valves, electronic apparatus, sailing apparatus.
PP ball applications:used for transfusion, level calibration indicator,sprayers,dispenser, grinding food, lotion pump,medical equipment.
Pa66 nylon ball used for transfusion, level calibration indicator.
PTFE ball applications:Particularly suitable for use in cryogenic liquids and acids under the conditions of the instrument.
PEEK ball applications:High-end machinery and aviation technology

Our factory Qualification certification and strength

With more than 25 years experience we have two factories to produce our balls, one is Located in Henan province (cover 10000 square meters and with more than 200 sets machines), another is located in Shandong province (cover 5000 square meters and with more than 50 sets machines) .
Our factory already got ISO certificate ,and our plastic ball already got FDA certificates
We usually have normal size balls in our factory ,so our delivery time about 4days
With more than 25 years produce high precision solid plastic ball experience,we have some normal size balls in our factory warehouse ,so we have a good advantage with price .






We're well-known as one of the leading solid plastic ball manufacturers and suppliers in China. Our products are highly appreciated in both domestic and overseas market. Please rest assured to wholesale custom made solid plastic ball from our factory.
Peek Precision Plastic Ball, Peek Ball, Peek Thermoplastic Ball
