MASTERS GRIT CLOTH

Hazardous Ingredients

================================================================================ LC50 ppm LD50 mg/kg Ingredients CAS # % (wt/wt) (Rat, ihl.) (Rat, oral) Aluminum oxide 1344-28-1 55-65 n/av Nylon Screen Back n/av 20-30 n/av Binder - Phenolic resin n/av 5-15 n/av ================================================================================ SECTION III - PHYSICAL DATA ================================================================================ Physical State: Solid. Odour and appearance: Cloth coated with abrasive material. Odour threshold: n/av Specific gravity: n/av Coefficient of water/oil distribution: n/av Vapour pressure (mm Hg): n/av Boiling point: n/av Freezing point: n/av pH: n/ap Vapour density (Air = 1): n/av Evaporation rate (BuAc = 1): n/av Volatiles, %: n/av Solubility in water: Variable ================================================================================ SECTION IV - FIRE AND EXPLOSION DATA ================================================================================ Conditions of flammability: Backing and resin binder will burn. Means of extinction: Carbon dioxide, dry chemical, foam or water fog may be used to extinguish fire. Sensitivity to mechanical impact/static discharge: Not susceptible to mechanical impact. Insensitive to static discharge. Flash point (Method): n/ap Upper flammable limit %: n/ap Lower flammable limit %: n/ap Auto-ignition temperature: n/ap Special fire fighting procedures: Fire fighters should be equipped with self-contained breathing apparatus to protect against potentially toxic and irritating fumes. Cool exposed containers with water spray. Hazardous combustion products: Refer to "Hazardous Decomposition Products" ================================================================================ SECTION V - REACTIVITY DATA ================================================================================ Stability: Stable. Incompatible materials: n/av Conditions of reactivity: Hazardous polymerization will not occur. Hazardous decomposition products: Thermal decomposition could produce carbon monoxide, carbon dioxide and decomposing resin fumes. ================================================================================ SECTION VI - TOXICOLOGICAL PROPERTIES ================================================================================ *** Routes of exposure and acute/chronic effects *** Exposure limit (ACGIH-TLV-TWA): Aluminum oxide 10 mg/m3 Inhalation: Inhalation of dust may cause coughing, shortness of breath.