Submikron Polishing Cloths
Polyurethane. Fleece NW Series. W Series. F Series. CMP Series
Polishing cloths – For the highest precision and maximum process reliability.
Bierther Submikron polishing cloths impress with their exceptional precision and a perfectly balanced material structure, developed specifically to meet the demands of fine surface finishing. They enable controlled polishing performance that delivers excellent results even on challenging materials, achieving mirror-smooth surfaces with minimal roughness.
Polishing cloth for perfect surfaces
- Optimised material structures enable high-quality polishing performance and significantly improve surface finish and roughness.
- High process reliability and reproducibility ensure consistently precise polishing results in surface finishing.
Your advantage The polishing cloths significantly improve surface quality thanks to their optimised structure, enabling exceptionally uniform, precise polishing results.
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Polyurethane PU Series
Poo
GRIT
- Diamond fluid
FEATURES:
- Usage: Precision optics, semiconductor technology, plastics
- Hardness: 95 Shore-A
- Density: 0.75 g/cm³
- Filling: none
Poop box
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GRIT
- Conventional polishing agents
FEATURES:
- Usage: Semiconductor technology, aluminium, LCD/plasma displays, ceramics
- Hardness: 90 Shore A
- Density: 0.55 g/cm³
- Filling: cerium oxide (approx. 20 %)
- very fine pores
PUH-UM
GRIT
- Cerium oxide
FEATURES:
- Usage: flat prisms
- Hardness: 90 Shore A
- Density: 0.60 ±2 g/cm³
- Filling: Cerium oxide
PU26
GRIT
- Zirconium oxide
FEATURES:
- Usage: Lenses, precision optics
- Hardness: 88 Shore-A
- Density: 0.61 g/cm³
- Filling: Zirconium oxide
PU57
GRIT
- Diamond fluid
FEATURES:
- Areas of application: Precision optics, semiconductor technology
- Hardness: 88 Shore-A
- Density: 0.54 g/cm³
- Filling: none
PU77
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GRIT
- Cerium oxide
FEATURES:
- Usage: Prisms, lenses, precision optics
- Hardness: 80 Shore A
- Density: 0.50 ±2 g/cm³
- Filling: Cerium oxide
PU66
GRIT
- Cerium oxide
FEATURES:
- Usage: Glass, LCD, Lenses, Precision Optics
- Hardness: 78 Shore-A
- Density: 0.44 g/cm³
- Filling: Cerium oxide
NW Fleece Series
NWH525
GRIT
- Diamond fluid 1-25µ
FEATURES:
- Pressure-resistant
- dense
- homogenous
- Thickness: 0.8 mm
- Hardness: 94 Shore-A
- Density: 0.7 g/cm
NWH91
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GRIT
- All types
FEATURES:
- High density
- laminated
- perforated
- Thickness: 1.08 mm
- Hardness: 94 Shore-A
- Density: 0.95 g/cm³
NWH-GP2
GRIT
- Al₂O₃, SiO₂, or CeO₂
FEATURES:
- very fine, mainly horizontal fibres
- Good chemical resistance
- achieves very good flatness
- Thickness: 2.8 ±0.2 mm
- Hardness: 70° ±5 Shore-A
- Density: 0.46 ±0.04 g/cm³
NWH90
GRIT
- Diamond fluid 1-100 µ
FEATURES:
- High density
- laminated
- smooth
- Thickness: 1.08 mm
- Hardness: 90 Shore A
- Density: 0.95 g/cm³
NWA1
GRIT
- Diamond fluid 1-25µ
FEATURES:
- Hardness: 78 Shore-A
- Compression: 6.3 % (250 g force-displacement curve)
- Density: 0.47 g/cm³
- Thickness: 1.3 mm
NWA2
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GRIT
- All types
FEATURES:
- Hardness: 90 Shore A
- Compression: 5.5 % (250 g force-displacement curve)
- Density: 0.53 g/cm³
- Thickness: 1.3 mm
NWK1
GRIT
- All types
FEATURES:
- Hardness: 74 Shore-A
- Surface mass: 685 g/m²2
- Thickness: 1.02 mm
NWK2
GRIT
- All types
FEATURES:
- Hardness: 78 Shore-A
- Weight per square metre: 900 g/m2
- Thickness: 1.8 mm
NWHC5
GRIT
- SiO2 or CeO2
FEATURES:
- very fine, mainly horizontal fibres
- Good chemical resistance
- achieves very good flatness
- Thickness: 3.0 ± 0.20 mm
- Hardness: 60° ± 5 Shore-A
- Density: 0.29 ±0.05 g/cm³
Woven W-Series
WH3
GRIT
- Diamond fluid 1-6µ
FEATURES:
- 100% Wool
- achieves very good flatness and surface
- 0.33 mm
- Hardness: 87° Shore A
- Weight: 310 g/cm³
WL15
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GRIT
- Diamond fluid 6-25 µ
FEATURES:
- Deer
- Velour
- Semi-finished products of TA6V, tantalum, zirconium and soft materials
- Easy to apply and remove thanks to the stiff backing
- Thickness 0.77 mm
Week 1
GRIT
- Diamond fluid 1-6 µ
FEATURES:
- medium-hard rayon
- Good removal rates
- excellent finishing on almost all materials
- Thickness: 0.68 mm ±0.05
- Hardness: 90 Shore A
- Weight: 781 g/m²
WL10
GRIT
- Diamond liquid 2-30 µ
FEATURES:
- medium-hard
- Satin fabric
- Fine machining of rigid materials
- Easy to apply and remove thanks to the stiff backing
- Thickness: 0.82 mm
WL50
GRIT
- Diamond fluid 1-6 µ (oil/water-based)
FEATURES:
- 100% Wool
- achieves very good flatness and surface
- 0.33 mm
- Hardness: 87° Shore A
- Weight: 310 g/cm³
WL950
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GRIT
- Diamond fluid 1-6 µ
FEATURES:
- soft
- Satin fabric
- Impregnated, supple
- Recommended for production
- Machine with Ø 380-1200 mm
- Thickness: 0.44 mm
Flocked F-Series
Flight 31
GRIT
- Diamond fluid 1-6 µ
FEATURES:
- Folded, medium-firm, supple
- Fine finishing of all materials
- Recommended for production
- Thickness: 0.90 mm
FL32
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GRIT
- Diamond fluid 1-6 µ
- Cerium oxide
FEATURES:
- Folded, medium-firm, supple
- Superfinishing of hard materials
- Recommended for production
- Thickness: 1.25 mm
FL37
GRIT
- Diamond fluid 1-6 µ
- Cerium oxide
FEATURES:
- Pleated, soft, impregnated, supple
- Superfinish of medium-hard materials
- Recommended for production
- Thickness: 0.94 mm
Chemo Pads CMP Series
FPX2
GRIT
- CMP-Superfinish
- Diamond fluid
FEATURES:
- smooth, embossed or structured surface
- very well suited for processing quartz, sapphire, silicon carbide, various crystals and semiconductor technology
- 1.2 mm thick
FHC1
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GRIT
- Diamond fluid 0.1-1 µ
- AI2O3 | Silicon dioxide2
FEATURES:
- buffered polyurethane
- microscopic holes
- laminated
- Hardness: 69 Shore A
- Thickness: 1.5 mm
FKC7
GRIT
- Colloidal suspensions or aluminium
FEATURES:
- chemically resistant
- Microporous PU cloth
- very good final polish
- Thickness: 1.5 mm ±0.05
- Hardness: 66 Shore A
- Weight: 731 g/m²
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