
Cleaning Balls for the Pharmaceutical industry
Pharmaceutical manufacturing operates under the most stringent cleanliness and material compatibility requirements of any processing industry. Heat exchangers, WFI (Water for Injection) pipelines, process fluid transfer lines, and sterile manufacturing circuits must meet validated cleanliness standards where any contamination, particulate, chemical residue, or microbial growth, is unacceptable. Cleaning equipment must be demonstrably safe for contact with pharmaceutical-grade process media and must not introduce any contamination of its own. Sponge cleaning balls and sponge rubber balls in pharmaceutical-grade formulations are used in these applications to maintain tube and pipeline cleanliness to the standards required by GMP manufacturing environments.
Chemical Industry · Corrosion-Resistant Pipe Cleaning Balls
| Item | Parameter Specification |
| Product Type | Corrosion-Resistant Rubber Sponge Balls, Emery Rubber Balls |
| Density | 200–350 kg/m³ |
| Wet Density | 0.95–1.05 |
| Shore Hardness | 30–70 Shore A |
| High Temperature Resistance | -20℃~120℃ |
| Acid and Alkali Resistance | pH 2–13 |
| Tear Resistance | ≥30 kN/m |
| Tensile Strength | ≥2.0 MPa |
| Elongation at Break | ≥280% |
| Compression Set | ≤6% |
| Corrosion Resistance | Acid resistance, alkali resistance, solvent resistance, oil resistance |
| Applicable Pipes | Stainless steel, carbon steel, plastic-lined, titanium pipes |
| Applicable Working Conditions | Cleaning of chemical process pipes, rectification, heat exchange, crystallization pipes |
| Core Features | Strong corrosion resistance, long service life, suitable for complex working conditions |
Recommended Cleaning Balls for the Pharmaceutical Industry
Sponge Cleaning Balls
Sponge cleaning balls in pharmaceutical-compatible formulations provide effective tube cleaning in heat exchangers and process pipelines within GMP manufacturing facilities. Shore hardness 25–35A, soft construction eliminates any risk of tube wall damage in stainless steel hygienic pipework. No debris release, no residue migration. Compatible with WFI, purified water, and standard pharmaceutical process media. Suitable for automatic online circulation in heat exchanger tube bundles.
Sponge Rubber Balls
Sponge rubber balls offer a denser sponge construction for pharmaceutical pipelines where slightly more mechanical contact is required to remove protein deposits, bio-residues, or fine particulate fouling from tube walls. Uniform micropore structure, no large voids, no particle release. Non-toxic, odourless, and compatible with CIP cleaning agents used in pharmaceutical manufacturing. Available in diameters from Φ10mm to Φ200mm for standard and custom pharmaceutical pipeline sizes.
Selecting the Right Ball for Your Pharmaceutical System
For heat exchanger tube cleaning and process pipeline maintenance in GMP pharmaceutical facilities, sponge cleaning balls cover most online cleaning requirements in circulating systems. Where pipeline cleaning involves higher fouling loads or larger diameter transfer lines, sponge rubber balls provide more mechanical cleaning contact while maintaining full material safety compliance. Custom diameters and material formulations are available for validated cleaning applications. Contact us with your tube specification and process media for a pharmaceutical-grade recommendation.