Polyurethane felt compound (FPU)
The polishing cloths of the FPU series consist of a polyurethan felt compound.
The FPU series stand out due to their high abrasion and the high surface quality with medium flatness. They have a long life time and ensure a fast achievement of the needed requirements, but with limited brushing and conditioning capabilities.
The FPU series is especially suitable for glass, plastics and semi conductor, but also for stainless steel, non-ferrous metal or silver.
Dimensions:
Diameter:
Thickness:
Hardness:
up to 1300 mm (larger sizes on request)
1,3-25 mm
35-85 Shore-C
Abrasives
Characteristics
all types
Application: quartz, silicon wafer, cadmium telluride, gallium, arsenide, silicon carbide, stainless steel and sapphire
Hardness: 60 Shore-C
Pressure (%): 4-6 % (250g force displacement)
: 0,42 g/cm³
Thickness: 0,050“, 0,090“ und 0,150“
Abrasives
Characteristics
Zirconium oxide
Application: when high flatness is required
Hardness: 84 Shore-C
Density: 0,83 g/cm³
Thickness: 0,020“
Abrasives
Characteristics
Diamond fluid,
mechanochemical polishing medium
Application: hardened glass, crystals, sapphire
Hardness: 85 Shore-C
Pressure (%): 1-3 % (250g force displacement)
Density: 0,85 g/cm³
Thickness: 0,045“
Abrasives
Characteristics
conventional polishing medium
Application: weiches synthetisches Glas, Polycarbonat
Hardness: 35 Shore-C
Pressure (%): 5-7 % (2 kg force displacement)
Density: 0,35 g/cm³
Thickness: 0,125“ und 0,275“
Abrasives
Characteristics
conventional polishing medium
Application: silicon wafer, cadmium telluride, gallium arsenide, stainless steel, glass, ceramics, sapphire, quartz glass
Hardness: 55-60 Shore-C
Pressure (%): 3-5 % (250g force displacement)
Density: 0,46 g/cm³
Thickness: 0,050“ und 0,150“
Abrasives
Characteristics
conventional polishing medium
Application: hard glass, crystals, ceramic seals and sapphire
Hardness: 65 Shore-C
Pressure (%): 3-5 % (250g force displacement)
Density: 0,54 g/cm³
Thickness: 0,050“ und 0,150“
Abrasives
Characteristics
conventional polishing medium
Application: small devices with low or medium pressure; for fragile / sensitive workpieces
Hardness: 40 Shore-C
Pressure (%): 5-7 % (2 kg force displacement)
Density: 0,34 g/cm³
Thickness: 0,090“, 0,125“, 0,150“, 0,180“ und 0,250“
Abrasives
Characteristics
conventional polishing medium
Application: small device witth low or medium pressure, crystals, medium hard glass, quartz, stainless steel
Hardness: 40-50 Shore-C
Pressure (%): 2-5 % (2 kg force displacement)
Density: 0,33 - 0,37 g/cm³
Thickness: 0,050“, 0,090“ und 0,150“