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The WFS740C is a 316mm long polyurethane foam cotton swab with a small flat head featuring barbs for enhanced attachment, flexibility, and a longer handle, making it suitable for cleaning hard-to-reach narrow spaces or gaps. It is ideal for applications requiring repeated wiping with stronger head adhesion. The head is made of high-quality 100ppi (100 pores per inch) polyurethane foam, bonded through hot pressing to avoid adhesive contamination. The swabs are produced in a cleanroom environment, featuring extremely low ion and non-volatile residues (NVR). The manufacturing process is highly automated for strict and consistent tolerances, compatible with various solutions and disinfectants, and packaged in silicone-free and amide-free bags.
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● Internal thin flat head with barbs
● Open-cell foam
● Hot-pressed foam bonding for the head
● Extra-long polypropylene handle
● Automated production in a class 100 cleanroom
● Flexible and resilient, with excellent head adhesion
● Outstanding liquid absorption and solvent retention
● No adhesive contamination
● Extra-long handle for cleaning hard-to-reach small components, especially deep O-ring grooves, pipes, and other recessed areas
● Compatible with various cleaning solvents
● Made from pure PP materials to avoid additional contamination factors
● Extremely low NVR residue and ion generation, precise tolerances.
| Model | Tip Material | Shaft Material | Shaft Color | Size | Cleanliness Class | Packaging |
| WFS740C | Polyurethane foam | PP | Blue | Total length: 316mm Tip length: 17mm Tip width: 6mm Shaft width: 3mm |
Class 100,000 (ISO 8) | 100 swabs/pack |
Model
Tip Material
Shaft Material
Shaft Color
Size
Cleanliness Class
Packaging
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