Description

The LP-57 is an unfilled, small pore size polyurethane pad.
It is designed for silicon wafer primary polishing but has proven suitable for general polishing applications at moderate or higher pressures.

Application

Semiconductor wafers, primary polishing, Sapphire, final polishing, Precision Optics,
Quartz, Glass, primary & single step polishing, Metals, single step polishing,
CMP-Titanium, Alumina

Benefits

Short break-in period

Physical Characteristics

• Density [g/cm³ (lb/ft³)]: 0.70 (44.0)
• Hardness (Shore D): 46
• Compressibility (%): 7.5
• Elastic Rebound (%): 93