?CK-FS750 Small pointed tip foam cleaning swab is is constructed from compressed 100 ppi (Z) open-cell polyurethane foam securely bonded to a 100% polypropylene shaft that is free from organic contaminants such as silicone, amides or phthalate esters.?It doesn?t leave the residue behind stuff like regular cotton swabs do. Not falls off, stays together perfectly.?Cleanroom Foam Q Tips are more suitable for deeper cleaning of articles with high cleanliness requirements.?Excellent as gun/firearm swabs, camera sensor swabs, optical lens swabs, PCB swabs, microscopes swabs, electronics swabs, jewelry swabs, painting swabs, arts&crafts swabs, ect.Features : -High quality, Lint-Free & Fiber Free. -Soft and non-abrasive tip. -Free from silicone, amide and DOP. -Low non-volatile residue. -Low in both particles and ion content. -Excellent solvent-holding capacity. -Compatible with most common solvents. -No contaminating adhesives or coatings. -Foam securely thermally bonded to a polystyrene shaft, refuse to fall off. -Polyproylene handle provides good control and excellent balance of flexibility, refuse to break.Applications: -Micro-mechanical cleaning. -laboratory optical equipmen cleaning. -Used in the cleaning static sensitive components or parts. -Remove flux residue and excess material. -Effectively clean small slotted, recessed and hard to reach areas. -Watch &clock repair kit. -Fishing reels cleaner kit. -Engine Oil Excess Contaminant Remover. -General purpose cleaning.Package:100swabs/bag*5Warm Tips: ? If you are not satisfied with product quality, We promise to refund or replacement.? More cleanroom foam tip swabs / polyester tip swabs / microfiber tip swabs please visit our ??Cleansky Storefront?