How to choose high-quality absorbent cotton balls

Medical absorbent cotton standards: Must comply with ASTM and ISO international standards
Fiber length: Long-staple cotton is superior to short-staple cotton
Degreasing process: Whether the natural oils in cotton are completely removed
The supplier is required to provide the proof of the origin of the raw cotton and the description of the degreasing process. Xinjiang long-staple cotton and Egyptian cotton are recognized as high-quality raw materials.

Water absorption time: ≤10 seconds
Liquid absorption capacity: Up to 20 to 25 times its own weight
Liquid retention: The liquid is released evenly after extrusion without dripping or leakage

In China: Medical Device Filing Certificate (Class I)/Registration Certificate (Class II)
International: FDA (United States), CE (European Union), MHLW (Japan) certification
Production system: ISO 13485 Medical Device Quality Management System certification

Ethylene oxide (EO) sterilization: The residual amount must comply with national standards (≤10μg/g).
Irradiation sterilization: No chemical residue, but the irradiation dose needs to be controlled
Aseptic packaging: Packaging integrity test (staining method or air tightness test)

Medical: Independently sterilized packaging, easy to tear open, and can be taken with one hand

Cost: Small sub-packaging bags are included in the large package to prevent contamination

Clear identification: Sterilization date, expiration date, batch number, and instructions for use are all clearly visible