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Polyurethane (PU) Polishing pad

More Superhard provides polyurethane (PU) polishing pads. Abrasive fillers include cerium and zirconium, some pads do not have abrasive filler. 

Polyurethane (PU) Polishing PadPolyurethane (PU) Polishing Pad

Application of polyurethane (PU) polishing pad

polishing and finishing of glass, LCD/LED substrates, precision optics, hard disk, metal and semiconductor wafer surfaces.

Size of polyurethane (PU) polishing pad 

dimensions include  23 x 55 inches (584.2 x 1397 mm),  36 x 71 inches (914 x 1803 mm), 42 x 42 inches (1066 x 1066 mm), 52 x 52 inches (1320 x 1320 mm) .

φ26 inches (660 mm), φ32 inches (812 mm), φ38 inches 965 mm, φ52 inches (1320 mm). 

Custom sizes, shapes and configurations are available.

Thickness for polyurethane polishing pad: 

standard thickness for PU polishing pads ranges from 0.020 inches (0.508 mm) to 0.20 inch (5.08 mm).


 

Type

  

Filler

Average

Density

G/cm³(lb/ft³)

Average

Hardness

Shore-A

Application

Area

MSH-110 PU Polishing pad   MSH-110

 

Cerium 

Oxide


    0.42(26)


       78

 

Glass, Crystal, Metal, Ceramic

MSH-120 Polyurethane (PU) Polishing pad

MSH-120

 

Cerium 

Oxide


    0.43(27)


       78

 

Glass, 

Crystal

MSH-130 Polyurethane (PU) Polishing pad

MSH-130

 

Cerium 

Oxide

     

    0.35(22)


       66

 

 Glass,

 Crystal

MSH-210 Polyurethane (PU) Polishing padMSH-210

 

Zirconiu

Oxide

      

     0.59(37)


       90

 

Glass, Metal

Ceramic

MSH-230 Polyurethane (PU) Polishing padMSH-230


Zirconiu

Oxide

 

      0.40(25)


       74

 

 Glass, 

Crystal

MSH-240 Polyurethane (PU) Polishing padMSH-240


Zirconium Oxide


     0.57(36)


       88

 

 Glass, 

Crystal

MSH-410 Polyurethane (PU) Polishing pad

MSH-410

  

   

NONE

 

   

0.51(32)


       88

 

Glass, Crystal,Metal, Ceramic

MSH-420 Polyurethane (PU) Polishing padMSH-420

 

   

NONE

 

 

0.77(49)


       96

 

Glass,Crystal,Metal, Ceramic

  

Pressure-sensitive adhesives (PSA) backing: adhesive backing is available on all types of pads. PSA backing ranges from high-holding to low tack/easy release.

Grooving :grooves improve pad performance by reducing excess slurry from the pads surfaces. More Superhard 's pad in offered in a variety of groove configurations . The depth of a groove is usually half of the pad thickness, only pad with thickness of more than 2 mm can be grooved . Groove width is usually 2 mm, and the island size is usually 16*16 mm. 

Custom sizes , shapes and configuration are available.

 

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