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Sterile Foam Swab WDF757

£20.83£40.83 or from £18.75£36.75 / month


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Whitedrop’s Foam Swab WDF-746 features a medium round foam head and a compact, rigid handle. This Swab Stick is cushy and absorbent while the rigid handle offers firm support so you can clean tough residues. These swabs are made with quality in mind. The absorbent foam head is therma~l bonded which means no adhesives and with a class 10 cleanroom facility, you are assured the highest level of cleanliness. Our Foam Cleaning Swabs are the perfect choice for removing oil, residue, or ink from Thermal Printer Printheads & Inkjet Printer Cap Stations. Industrial applications include printing, optical, biotech, pharmaceutical, woodworking, veterinary, and computer engineering.


  • Medium, round 100PPI polyurethane foam head
  • Rigid 100% polypropylene handle
  • Low non-volatile residue (NVR)
  • Adhesive-free thermal bonding
  • Easily absorbs solvents
  • Won’t scratch surfaces
  • Multifunctional
  • Precision tool
  • Low ion content level
  • Durable
  • ESD safe handle is available upon request


  • Printers
  • Optical Devices
  • Cameras
  • Magnetic Tape Devices
  • Computer Keyboards
  • Typewriters
  • Circuit Boards
  • Plasma/LCD Displays
  • A/C Vents


Model Number: WDF-747

Head Material: 100 PPI Polyurethane Foam

Handle Material: 100% Polypropylene

Handle Colour: Green

Standards Met: Class 10 ISO Class 4 Certified


Industries used in:









-Hygiene Testing

-Fluid Handling




-Arts & Crafts





Compatible with:


-Optical Devices


-Magnetic Tape Devices

-Computer Keyboards


-Circuit Boards

-Plasma/LCD Displays

-A/C Vents




– Model Number: WDF-757

– Head Material: 100 PPI Polyurethane Foam

– Handle Material: 100% Polypropylene

– Handle Colour: Green (White, Black, Blue is available upon request)

– Standards Met: Class 10 ISO Class 4 Certified


Dimension Chart:



– Compact, round foam head, rigid handle

– No adhesives or glues are used during production

– Good solvent capacity, hold solvent well

– Soft and non-abrasive

– 100% pure polyurethane foam head ensures no additional contaminants

– Free from silicone, amide and DOP

– Low non-volatile residue(NVR), ion content level

– ESD safe handle is available upon request

– Durable

– Absorbent

– Multi Functional

– Precision Cleanin

– Clean sensitive equipment

– Minimum lint or particle generation

– Can be stored for up to 2 years

– Applying lubricants and other liquids



– Ideal for cleaning hard-to-reach areas, joints and intersecting surface

– Remove excess adhesives or glues

– Micro mechanical cleaning

– Remove flux residues from printed circuit boards

– Picking up fine powders

– Good for general purpose cleaning



500 swabs / bag

5 inner bags of 100 swabs



All swabs are packaged in a vacuum bag to prevent contamination.


Contamination Characteristics:

Property Measurement Test Method*
Nonvolatile Residue(NVR) 25,000 or less TM10: Procedure for Determining the Nonvolatile Residue (NVR) Extractable from Swabs in a Given Solvent
IPA Extractant 0.02 mg/swab
Ions TM12: The Determination of Ions in Wipers and Other Materials by Capillary Ion Analysis (CIA)
Chloride <0.01 μg/swab
Sulfate <0.01 μg/swab
Nitrate <0.01 μg/swab
Phosphate <0.01 μg/swab
Fluoride <0.01 μg/swab
Potassium <0.01 μg/swab
Calcium <0.01 μg/swab
Sodium <0.01 μg/swab
Magnesium <0.01 μg/swab



ESD Characteristics:

Handle Resistivity: 108 – 109  Ohms/Sq (Optional)

Additional Information
Pack Size

500 Pcs, 1000 Pcs

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Sterile Foam Swab WDF757 - 1809395936

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