Product Overview

Delrin POM Balls are high-light homopolimeric thermoplastic resin balls engineered for reliable performance where low friction, dimensional stability, and long service life are required. Based on decades of manufacturing expertise and validated performance across thousands of industrial installations, these POM balls are widely used as lightweight, corrosion-resistant alternatives to metal balls in valves, bearings, and precision motion components.

Delrin POM Balls deliver predictable mechanical, chemical, and electrical qualities over a broad temperature range for a prolonged length of time. They are also good electrical insulators and auto lubricant materials, supporting smoother motion, reduced wear, and stable performance in sliding and rolling contacts.

Manufactured by Shandong SDBALLS Industry Co., LTD, these balls are produced under strict quality control throughout every manufacturing stage. With more than 30 years of production experience, two factories covering 8,000 square meters, and more than 200 sets of modern and efficient production equipment, SDBALLS provides scalable output, consistent specifications, and export-ready supply capability. As an ISO9002:2000 certified company, SDBALLS supports long-term B2B sourcing with stable quality and dependable delivery.

Key Features & Specifications

Delrin POM Balls are designed for wear resistance, abrasion resistance, and corrosion resistance while maintaining stable performance across a defined service temperature range.

Specification

Commercial name POM BALLS
Diameter 1.5mm – 160mm
Precision Grade I – II – III

Mechanical Data

Hardness Shore D 80-90
Density 1.37g/m3
Young’s Modulus 2900GPa
Tensile Strength 30-120MPa
Service temperature ºC -40/85

Corrosion Resistance

Delrin is resistant to corrosion when exposed to seawater, petroleum products, mineral oils, greases, inorganic salt solutions, aliphatic, aromatic, and chlorinated hydrocarbons, as well as low-grade alcools and ether. Strong acids hydrochloric, phosphoric, nitric, and sulfuric, mineral acids, chlorides, and alkalis do not withstand it.

Application

Light safety valves, low load bearings, and spray agitators. medical equipment, furniture sliding rails, fluid flow checkers, and specialized pumps and valves. They are employed in the pharmaceutical, chemical, electronic, and food industries.

Product Images And What They Show

• Product gallery imagery showing Delrin POM balls as uniform polymer spheres intended for low load bearings, light safety valves, spray agitators, and precision valve components.
• Visuals supporting buyer confirmation of consistent spherical geometry and smooth surface suited for auto lubricant behavior and low-friction movement.
• Brand and manufacturing-context imagery aligned with export-focused production and B2B inquiry workflows.

Key Benefits & Competitive Advantages

• Predictable mechanical, chemical, and electrical qualities over a broad temperature range support stable performance across varied operating conditions.
• Resistance to wear, abrasion, and corrosion supports long service life in sliding, rolling, and repeated cycling applications.
• Good electrical insulator performance supports safer integration into electronic devices, sensors, and electrically sensitive assemblies.
• Auto lubricant material behavior supports reduced friction, smoother motion, and reduced maintenance demands in moving parts.
• Diameter range from 1.5mm to 160mm supports both compact components and larger flow-control and mechanical assemblies.
• Precision Grade I to III supports practical selection for cost-to-performance needs across mass production and engineered assemblies.
• Defined service temperature range from -40 to 85 degrees Celsius supports use in cold environments and typical industrial heat exposure ranges.
• Strict process control supports precision and consistent performance across batches.
• OEM and ODM flexibility supports specification alignment for sizing, grade selection, and application-driven requirements.
• Ontime delivery planning supports production schedules, distributor replenishment, and project timelines.

Application Scenarios & Use Cases

Scenario	Industry	Key Benefit	Why This Product
Light safety valve ball elements	Chemical and process industries	Corrosion resistance and low friction	Resistant to petroleum products, mineral oils, and greases and supports auto lubricant behavior for consistent valve response
Low load bearing rolling elements	Industrial equipment and consumer hardware	Wear resistance and stable motion	Resistance to wear and abrasion supports long life in low load bearings and compact mechanisms
Spray can and sprayer agitators	Consumer goods and industrial sprays	Chemical resistance	Resists many hydrocarbons and oils and supports stable service over repeated agitation cycles
Medical equipment motion components	Medical equipment manufacturing	Predictable properties	Predictable mechanical and electrical qualities support consistent performance in repeated-use assemblies
Furniture sliding rails and guides	Furniture hardware	Low friction and wear resistance	Auto lubricant behavior supports smoother sliding and reduced noise and wear
Fluid flow checkers and metering mechanisms	Process control and instrumentation	Dimensional stability and corrosion resistance	Stable performance across service temperature range with resistance to common industrial agents
Specialized pumps and valves	Industrial pumps and valves	Corrosion resistance and abrasion resistance	Suitable for applications exposed to oils, greases, and salt solutions while maintaining wear resistance
Electronic assemblies requiring insulation	Electronics	Electrical insulation	Good electrical insulator properties support safer integration into electrically sensitive designs

Competitive Comparison

Feature/Aspect	This Product	Typical Alternative
Self lubricating behavior	Auto lubricant material ✓	Many plastics require additives or external lubrication to achieve similar friction performance ✗
Electrical insulation	Good electrical insulator ✓	Metal balls conduct electricity and may require additional insulation measures ✗
Wear and abrasion resistance	Resistant to wear and abrasion ✓	Softer polymers can wear faster under sliding contact ✗
Corrosion resistance vs oils and hydrocarbons	Resistant to petroleum products, mineral oils, greases, hydrocarbons ✓	Some plastics swell or degrade in oils and hydrocarbons ✗
Chemical limitation transparency	Clear non-resistant media listed ✓	Typical alternatives may not specify limitations as clearly ✗
Service temperature range	-40 to 85 degrees Celsius ✓	Some materials lose stiffness or dimensional stability across the same range ✗
Size availability	1.5mm to 160mm ✓	Alternatives may offer narrower size ranges for precision balls ✗
Grade availability	Precision Grade I to III ✓	Alternatives may provide limited tolerance class choices ✗
OEM and ODM flexibility	Supported ✓	Catalog-only suppliers may offer limited customization ✗
Production reliability	Strict process control and ISO-certified company ✓	Less controlled production increases batch variability ✗

Technology & Design Highlights

Delrin POM Balls are engineered for stable performance through controlled resin selection, precision forming, and disciplined quality control.

Homopolimeric Thermoplastic Resin Performance Profile

Delrin POM Balls are high-light homopolimeric thermoplastic resin balls with good mechanical properties and resistance to wear, abrasion, and corrosion. Their predictable mechanical, chemical, and electrical qualities over a broad temperature range support consistent behavior in dynamic assemblies where friction, wear, and electrical insulation must remain stable over prolonged use.

Low Friction Through Auto Lubricant Material Behavior

As auto lubricant materials, these balls support smooth movement in sliding rails, low load bearings, and valve seats. This design characteristic helps reduce friction-driven heat buildup and supports quieter, more stable operation in repetitive cycles.

Engineering Fit Through Diameter And Grade Control

A wide diameter range from 1.5mm to 160mm and Precision Grade I to III support design matching for diverse assemblies. Controlled sizing supports repeatable fit in seats, cages, and guides, improving assembly yield and reducing adjustment time.

Manufacturing Discipline That Supports Consistency

Based on decades of manufacturing expertise, SDBALLS production relies on controlled process discipline and inspection to ensure precision and consistent performance. The company manufacturing foundation includes systematic preparation steps, precision processing, finishing, and inspection practices designed to support stable geometry and repeatable functional performance for B2B supply programs.

Industry Compliance & Quality Assurance

Delrin POM balls used in valves, bearings, and medical and food-adjacent equipment require reliable consistency to protect performance, uptime, and safety.

ISO-Certified Quality Management

As an ISO9002:2000 certified company, SDBALLS maintains strict quality control throughout every manufacturing stage. This quality management discipline supports consistent specifications, stable batch-to-batch output, and reduced quality risk for OEM supply chains and distributor inventory programs.

Process Control For Precision And Repeatability

Strict process control ensures precision and consistent performance. This reduces variability that can affect seat sealing, friction performance, and running stability in low load bearings and flow checking mechanisms.

Export-Proven Production Capacity

SDBALLS operates two factories covering 8,000 square meters with more than 200 sets of modern and efficient production equipment. Products are exported and sold in more than 50 countries, supporting dependable international supply continuity and scalable fulfillment.

Global Reach & Target Markets

With a proven track record of exports sold in more than 50 countries and extensive successful case experience across industrial and specialty applications, SDBALLS supplies Delrin POM Balls to global customers that prioritize stable specifications, reliable performance, and consistent delivery. The company serves manufacturers, distributors, engineering firms, and project procurement teams with strong experience supporting region-specific procurement expectations and industry standards alignment.

SDBALLS supports OEM and ODM programs that require controlled diameter and grade selection, predictable properties across a defined service temperature range, and clear corrosion resistance behavior across common industrial media.

Target Markets And Localization Strength

Target Region	Customer Types	Industry Focus	Our Advantage
North America	Valve and pump OEMs, medical equipment manufacturers, industrial distributors, engineering firms	Light safety valves, specialized pumps and valves, medical equipment	Proven export capability, ISO-certified quality management, strong application fit for low friction and insulation requirements
Europe	Industrial component distributors, automation and furniture hardware manufacturers, chemical equipment suppliers	Furniture sliding rails, fluid flow checkers, industrial hardware	Deep experience serving multi-industry programs with grade and size selection supporting standardized procurement workflows
Middle East	Project procurement teams, chemical plant maintenance contractors, industrial distributors	Chemical and process equipment, flow control	Corrosion resistance profile supports oil and hydrocarbon exposure common in process industries and maintenance cycles
Southeast Asia	Electronics manufacturers, appliance suppliers, trading companies, OEM assemblers	Electronics, consumer and industrial assemblies	Electrical insulation and auto lubricant behavior support high-volume assembly and stable component performance
South America	Industrial distributors, OEM assemblers, facilities maintenance suppliers	Industrial equipment, valves, pumps, general machinery	Broad size range and stable supply continuity support distributor stocking and repeat orders across mixed applications

Customer Success & Experience

Engineered and tested across thousands of installations, SDBALLS Delrin POM Balls are chosen for assemblies where corrosion resistance, wear performance, and electrical insulation must remain stable over prolonged operating periods. Based on more than 30 years of production experience and strict quality control throughout every manufacturing stage, SDBALLS supports customers from initial selection through qualification, sampling, and long-term replenishment.

Typical success programs include a chemical equipment integrator using POM balls in light safety valves and specialized pumps and valves exposed to petroleum products and mineral oils, a furniture hardware manufacturer reducing friction and wear in sliding rails by leveraging auto lubricant material behavior, and an electronics producer selecting insulating ball elements for electrically sensitive mechanisms requiring predictable properties over a broad temperature range.

SDBALLS provides technical support for material selection, grade alignment, and diameter confirmation, and supports customized programs through OEM and ODM services. Many customers expand from single-application procurement to multi-size and multi-industry repeat orders as performance is validated and supply stability is proven.

FAQ

Q: What are Delrin POM Balls made of?

A: Delrin POM Balls are homopolimeric thermoplastic resin balls with commercial name POM BALLS. They are designed to provide predictable mechanical, chemical, and electrical qualities over a broad temperature range.

Q: What sizes and grades are available for Delrin POM Balls?

A: The diameter range is 1.5mm to 160mm. Precision Grade options are I, II, and III, supporting different tolerance and performance needs.

Q: What is the service temperature range?

A: The service temperature range is -40 to 85 degrees Celsius. This supports use in cold environments and typical industrial operating temperatures.

Q: What corrosion resistance can I expect?

A: Delrin is resistant to corrosion when exposed to seawater, petroleum products, mineral oils, greases, inorganic salt solutions, and many hydrocarbons, as well as low-grade alcools and ether. It does not withstand strong acids including hydrochloric, phosphoric, nitric, and sulfuric, mineral acids, chlorides, and alkalis.

Q: What are common applications for Delrin POM Balls?

A: Applications include light safety valves, low load bearings, spray agitators, medical equipment, furniture sliding rails, fluid flow checkers, and specialized pumps and valves. They are employed in the pharmaceutical, chemical, electronic, and food industries.

Q: Do Delrin POM Balls provide electrical insulation?

A: Yes, they are good electrical insulators. This supports use in electronic and electrically sensitive assemblies where conductivity is not desired.

Q: Do you provide OEM and ODM customization?

A: Yes, OEM and ODM support is available and flexible customization ensures accurate specifications. This supports sizing and grade alignment for OEM production and distributor programs.

Q: How do you ensure consistent product quality and supply?

A: Strict process control ensures precision and consistent performance, and SDBALLS maintains strict quality control throughout every manufacturing stage as an ISO9002:2000 certified company. Two factories, modern production equipment, and export experience support stable delivery and long-term supply continuity.