Dupont CRB is a premium resin bond polishing tool designed for high-quality finishing of marble, granite, and natural stone surfaces. It is widely used in stone processing industries for achieving smooth, glossy, and refined surface finishes with consistent performance.Manufactured using advanced resin bonding technology combined with fine abrasive materials, Dupont CRB ensures excellent polishing efficiency, uniform scratch removal, and superior surface clarity. It is suitable for multiple polishing stages, especially the fine and final polishing processes in automatic polishing lines.This tool offers long service life, stable operation, and high gloss output, making it ideal for modern stone fabrication units. Dupont CRB is widely used in construction material industries for enhancing the aesthetic value and surface quality of slabs, tiles, and architectural stone products.

Product Type:
Dupont Resin Bond Polishing Block (CRB Type Abrasive Tool)

Application:
Suitable for marble, granite, ceramic tiles, quartz, terrazzo, and engineered stone

Material Composition:

• High-performance resin bond matrix
• Fine-grade abrasive minerals (silicon carbide / diamond micro-powder depending on grade)
• Reinforced backing structure for stable mounting

Available Sizes:

• Standard CRB block sizes (machine-dependent fitting types used in automatic polishing lines)

Grit Range Available:

• Coarse polishing: 120#, 150#, 180#
• Medium polishing: 240#, 320#, 400#
• Fine polishing: 600#, 800#, 1000#, 1200#, 1500#, 2000#, 3000#

Bond Type:

• Resin bond (soft / medium / hard variants available depending on stone type)

Machine Compatibility:

• Automatic continuous polishing lines
• Bridge polishing machines
• Multi-head slab polishing machines
• Stone processing plants

Working Application:

• Fine grinding and polishing stage
• Surface smoothing and scratch removal
• Pre-final polishing before buffing
• Gloss enhancement on slabs and tiles

Operating Method:

• Wet polishing operation (water cooling required)

Performance Features:

• High gloss and mirror-like finish output
• Smooth and uniform surface quality
• Excellent scratch removal capability
• Low vibration and stable operation
• Long service life with consistent performance
• Suitable for high-speed production lines

Industrial Use:

• Marble processing industries
• Granite slab polishing factories
• Ceramic and tile manufacturing units
• Engineered stone and quartz processing plants