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BND Belt Builder

SIA 7940 Siaair Velvet Orbital Discs 150mm - Pack of 10 (T3307)

SIA 7940 Siaair Velvet Foam-backed Discs 150mm - Pack of 10 (T3307)


Product profile

  • aluminium oxide
  • 240 - 4000
  • knitted fabric with foam
  • special process coating
  • Resin over resin
  • ultrafine sanding of paints, lacquers and solid surface materials
  • water resistant and washable, low clogging, foam backing prevents undercutting
£20.14 Incl. VAT: £24.17 Incl. VAT: £21.71
In stock
  • Buy 6 for £18.09 Incl. VAT: £21.71 each and save 11%

The improved siaair technology of 7940 siaair is the key to a perfect nish in damp and dry sanding applications – whether it's scuffing, fine sanding or preparation for polishing. 


  • High stock removal rates and excellent finish
  • Low clogging in damp and dry sanding applications
  • Highly adaptable to contours, curves and profilles
  • Pressure-equalising foam gives perfect surface nish
  • Waterproof and washable
  • Resistant to silicon remover 


  • Matt finishing of conventional old and new varnishes as well as composite materials
  • Fine sanding of primer ller in hard-to-reach areas
  • Producing a matt nish for blending
  • Preparation for polishing on high-gloss surfaces 
More Information
Type of Product Velcro Discs / Self-Adhesive Discs
Product Name SIA 7940 Siaair Velvet Foam-backed Discs 150mm - Pack of 10 (T3307)
Manufacturer SIA
Manufacturer's SKU T3307
Mineral Type Aluminium Oxide + Ceramic (Pink)
Materials Used On Composite, GRP, Fibreglass, Plastics, Paint, Lacquers, Solid Surface - Corian, Granite, Quartz
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