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sia's 7990 series siasponge Combi-Block is made from hard polyurethane foam with aluminum oxide and a flexible elastic binder.
Surfaces can be treated quickly and easily with the 7990 sponge block. This handy sanding 69mm x 98mm (2-3/4" x 3-5/8") block has grit on four sides and achieves excellent results on wood, plastics, paints, lacquers and on composites due to its high edge stability.
Advantages of sia 7990 siasponge
- Colour coded for easy identification
- Low clogging
- Can be used wet or dry
- Coated on all four sides, ideal for use inside rebates and on flat surfaces
- High edge stability for crisp sanding results
Applications of sia 7990 siasponge
- Keying of wood, metal and plastic prior to application of paint
- Fine sanding primer filler
- Intermediate sanding of varnishes on surfaces and curves
- Keying rebates and slight curves
Medium and fine pads are sold individually. Super-fine pads are sold in packages of 10.
