Simcoa Quartz.pdf

QUARTZ ROCK, also known as AGGREGATE, DECORATIVE STONE, RAW MATERIAL, and ROAD BALLEST, is supplied by SIMCOA OPERATIONS PTY LTD. The product is not classified as hazardous according to Safe Work Australia criteria, but dust created when the product is cut, grinded, and machined may contain crystalline silica, which can be respirable and potentially hazardous. The product is composed of >90% quartz (crystalline silica), with smaller amounts of aluminium oxide, calcium oxide, iron oxide, sodium oxide, and potassium oxide. First aid measures include flushing eyes and skin with running water, and removing from contaminated areas if inhaled. Firefighting measures involve using an extinguishing agent suitable for the surrounding fire, as the product is non-flammable. Handling and storage instructions include storing in a cool, dry, well-ventilated area, and avoiding contact with incompatible substances. Exposure controls include wearing personal protective equipment (PPE) such as dust-proof goggles, gloves, and a Class P2 respirator, and maintaining dust levels below recommended exposure standards. The product has a white to amber color, is odorless, and has a melting point of 1713°C. It is stable under recommended storage conditions but may react with strong acids and other incompatible materials. Toxicological information indicates that the product may cause mechanical irritation, skin and eye irritation, and lung fibrosis (silicosis) with chronic exposure to dust.