Colophony Resin (Lumps)
Colophony resin is the residue left from the distillation of oleoresin from pine trees. This grade comes as coarse lumps, which can be more useful as ballet or violin rosin.
Particle size: Generally <5cm, but occasionally up to 15cm.
Colour: Amber
Odour: Slight turpentine odour
Solvent: Alcohol
Melting point: 100 - 150 ºC
Formula (simplified): C19H29COOH
Warning
May cause an allergic skin reaction.
General: Read label before use. Keep out of reach of children. If medical advice is needed, have product container or label at hand.
Prevention: Avoid breathing dust. Contaminated work clothing should not be allowed out of the workplace. Wear protective clothing.
Response: IF ON SKIN: Wash with plenty of soap and water. If skin irritation or rash occurs: Get medical attention. Wash contaminated clothing before reuse.
Disposal: Dispose of contents/container in accordance with Environmental Protection and Hazardous Waste Regulations.