Our Clean-Room PVA Sponges are specially produced for environments where contamination control is critical – such as semiconductor fabs, pharmaceutical labs, and biotech manufacturing cleanrooms. These sponges and wipes are manufactured to be ultra-clean, lint-free, and static-free, ensuring they do not introduce particles or static discharge during use. PVA clean-room sponges have a high purity composition (free of additives that could leach out) and can be supplied pre-wetted with deionized water or in dry form. Their hydrophilicity (85–95% porous by volume) enables them to soak up liquids very rapidly, making them ideal for quickly drying surfaces without streaks. Additionally, they are compatible with sterile environments and can be autoclave-sterilized or supplied sterile for aseptic areas. Lotus Prime’s clean-room sponges help maintain the strict cleanliness standards (ISO 14644, GMP) required in advanced manufacturing.

Key Benefits & Features (Clean-Room)

  • Particle-Free Cleaning: No fibers, lint, or dust are generated when wiping with PVA spongeslynbond.co.uk. Unlike paper wipes or cloths, they leave zero residue, helping to meet ISO Class 5 (and above) cleanroom particle count requirements.
  • Static Dissipative: PVA is naturally static-free, meaning it won’t create static charge that can attract dust or damage ESD-sensitive electronics. This is crucial for electronics and aerospace cleanrooms where static control is essential.
  • Chemical Resistance: PVA sponges resist a wide range of chemicals (pH 2–12), so they can be used with cleaning agents like IPA, hydrogen peroxide, or cleanroom disinfectants without deteriorating. They also won’t shed or react, maintaining chemical purity in sensitive processes.
  • High Absorbency & Strength: The open-cell structure rapidly absorbs spills and solutions, then retains them without dripping. Despite being soft, the sponge is mechanically strong and abrasion-resistant, allowing vigorous wiping of surfaces or tools without tearing.

Typical Applications (Clean-Room)

  • Semiconductor & Electronics Fabs: Used to wipe silicon wafers, photomasks, and equipment during semiconductor fabrication. For example, PVA sponge rollers scrub wafer surfaces post-CMP (Chemical Mechanical Planarization) to remove slurry particles, as PVA brushes are the industry standard for effective, gentle cleaning.
  • Medical Devices and Pharmaceutical Manufacturing: Employed in sterile filling lines and bio-pharma cleanrooms to absorb spills or sanitize surfaces. PVA wipes are critical in sterile drug production because even a single >5 μm particle can cause batch contamination – PVA sponge wipes help achieve the required cleanliness levels.
  • Cleanroom Maintenance: For general cleaning of walls, floors, and benches in controlled environments. PVA sponge mops and pads improve wiping efficiency and ensure no fibers or contaminants are left behind, maintaining compliance with strict cleanroom standards.

Custom & OEM Solutions (Clean-Room): Lotus Prime provides cleanroom PVA sponges and wipe products made to specification. We can customize size (from small swabs and wipes to large sponge mats and mop heads) and thickness, as well as pore size (for standard or ultra-fine cleaning tasks). Our production process can achieve extremely low particle and ion levels in the sponges, suitable for semiconductor-grade use. With our technical expertise, we help clients design PVA sponge solutions that integrate into their cleanroom protocols, delivering them globally with assured consistency and purity.