VR 571 Silicon Carbide Resin Sander Disc

Good

The VR/FR 571 is a silicon carbide fiber disc on vulcanised fiber backing with semi-open coat, made for finishing stone and marble surfaces. Silicon carbide is the grain of choice for non-metallic hard surfaces — its crystal structure produces the clean, consistent scratch pattern that stone and marble require before polishing, without the surface contamination that metalworking grains leave on calcium carbonate substrates.

Key Specifications

Dimension 103 × 16 mm (4" × 5/8") | 115 × 22.23 mm (4.5" × 7/8") | 125 × 22.23 mm (5" × 7/8") | 180 × 22.23 mm (7" × 7/8") | 230 × 22.23 mm (9" × 7/8")

Backing Type Vulcanised fiber

Type of Grain Silicon carbide

Type of Coating Semi-open Coat

Grit Ranges

100

120

Brand: CUMI

Information Material:

Product Catalogue

Additional Details

Type of Usage Machine Sanding

Bond Type Resin

Grid Range Extra Coarse to Medium

Shelf Life 2 Years from the Date of Manufacture

Product Information

Features

- Silicon carbide grain on 0.8/0.6mm vulcanised fiber backing with semi-open coat

- Grain selected specifically for stone and marble

- no metallic contamination of calcium carbonate surfaces

- Semi-open coat resists loading on stone dust and marble particles

Benefits

- SiC grain produces the clean, consistent scratch pattern that stone and marble require before polishing

- no contamination from metalworking grain residue

- Semi-open coat sheds stone dust and marble particles before loading occurs

- extends disc life on sustained surface finishing

- Vulcanised fiber backing provides rigidity for flat surface work on stone and marble slabs

Advantages

- Silicon carbide is chemically correct for stone and marble

- Metalworking grains contaminate calcium carbonate surfaces and compromise polish adhesion

Product Uses