A Complete Guide to Structure, Benefits, and Applications



Rubber Coated Balls are often utilised in a variety of sectors, including medicine, automation, consumer products, and sports equipment. Coated balls combine the strength of a solid core with the flexibility and protection of a coated surface, making them a crucial component in systems requiring durability, noise reduction, or a gentle touch.

As a competent coated ball producer, we're here to explain all you need to know about coated balls, from their materials and structure to their benefits and common applications.

Rubber coated ball

Coated balls are made out of a metal or plastic core surrounded by an exterior coating of rubber, silicone, polyurethane (PU), or other polymers. This dual-layer construction combines the strength of the core material with the outer layer's unique features, such as softness, anti-slip, noise dampening, or chemical resistance.

Common Coating Materials

TPR/TPU (Thermoplastic Rubber and Polyurethane): Massagers, consumer electronics, and ergonomic instruments benefit from its softness, elasticity, and wear-resistant properties.

Silicone is food-grade safe and resistant to both high and low temperatures; it is commonly utilised in medical and food processing applications.

Rubber is both durable and impact-resistant, making it ideal for mechanical or industrial applications.

Polyurethane (PU): Tough, oil-resistant, and chemically stable; widely used in transportation and automation equipment.

Core Materials

Stainless steel is corrosion-resistant and suitable for severe or moist conditions.

Carbon steel and alloy steel are both cost-effective and durable, making them ideal for common industrial applications.

Engineering plastics (e.g., POM, PP) are lightweight, corrosion-resistant, and suitable for light-load applications.

Coated balls offer advantages such as noise and shock absorption. The soft outer layer lowers vibration and noise during movement.

Enhanced Grip and Friction: Ideal for anti-slip and high friction applications.

Corrosion Resistance: The covering shields the inner core from direct contact with moisture and chemicals.

User Safety: The soft surface protects against scratches and injuries, making it ideal for medical and fitness gadgets.

Custom Appearance: Available in a variety of colours and finishes to improve product appearance.

How Do I Choose the Right Coated Ball?

Choosing the appropriate coated ball from Rubber Coated Ball Manufacturer is determined by your unique application requirements. Consider the elements listed below:



  • Operating Temperature Range
  • Resistance to water, oil, and chemicals
  • Food-grade or medical-grade certification
  • Required load capacity and use frequency
  • Aesthetic or colour customisation requirements
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