Black sic aggregate–anti-skid coating application

Black sic aggregate–anti-skid coating application

Black silicon carbide, also called black carborundum,black SiC,is made from silica sand and petroleum coke,with high hardness(mohs:9.15),appears black and shining.

Chemical Composition %–black silc aggregate

SiC—————————————————-≥98.6%

C_F —————————————————-≤0.20%

Fe₂O_{3—————————————————————}≤0.40%

SiO₂————————————————-≤0.05%           

Physical properties–black sic aggregate

Specific Gravity———————————-≥3.12g/cm3

Mohs Hardness———————————-9.15

Melting Point———————————— 2250℃

Refractoriness————————————1900℃

Applying an anti-skid coating using silicon carbide aggregate material on steel surfaces,integrated with painting process.

–Aggregate:Black sic,medium to coarse size:4.75-2.36MM

–Mixing ratio:0.5kg to 0.75kg per liter of polyurethane topcoat

–Zinc spray:Zinc-rich primer for initial protection

–Epoxy paint:intermediate protective coating

–Polyurethane topcoat:Final proctective and decorative layer,mixed with aggregate.

–Tools:roller,mechanical mixer or mixing paddle,personal protective equipment