SP-66C

POLISHING PAD – PROPRIETARY ABRASIVE FILLED

SP-66C is filled, soft polyurethane pad for double-sided sapphire polishing applications.

BENEFITS

High removal rate on A-plane sapphire
Superior surface roughness, NO scratching
Excellent flatness & roll-off characteristics
Effective with most alumina & colloidal silica slurries

TYPICAL APPLICATIONS

Flat substrate

SP-66C PAD PROPERTIES (Average)

FILLER

DENSITY [g/cm³ (lb/ft³)]

HARDNESS (Shore D)

COMPRESSIBILITY (%)

ELASTIC REBOUND (%)

Proprietary

0.45 (28.2)

36

10.0

75

FILLER: Proprietary

DENSITY [g/cm³ (lb/ft³)]: 0.45 (28.2)

HARDNESS (Shore D): 36

COMPRESSIBILITY (%): 10.0

ELASTIC REBOUND (%): 75

Values are subject to change without notification.