COTRONICS 900 SERIES MACHINABLE CERAMICS: Material Safety Data Sheet (MSDS)

SECTION I - PRODUCT IDENTIFICATION

MANUFACTURES NAME:

COTRONICS CORPORATION

3379 Shore Parkway Brooklyn, NY 11235

EMERGENCY TELEPHONE NUMBER: 718-646-7996

CHEMICAL NAME AND SYNONYMS: N/A Mixture           FORMULA: N/A
CHEMICAL FAMILY: Refractory Ceramic Composition   COMMENTS: N/A
Proprietary: ALUMINA,ZIRCONIA,SILICA,MICA AND GLASS

SECTION II - HAZARDOUS INGREDIENTS

A. AS MANUFACTURED Wt. % TVUPEL

Respirable Nuisance Dust 100 5 mg/cu m (1984-85 ACGIH TLV

Booklet, Page 50)

B. AFTER NORMAL USE: Section I

SECTION III - PHYSICAL DATA

Boiling Point (degrees F) N/A    Specific Gravity Range (H20= 1)
Vapor Pressure (mm Hg.) N/A     0.9 - 3.1
Vapor Density (Air =1)  N/A     Percent Volatile by Volume (%)N/A
Solubility in Water INSOLUBLE   Evaporation Rate( =1)N/A

Appearance and Odor:

Coarse Aggregate with Fine Powdered Matrix. No Odor

SECTION IV - FIRE AND EXPLOSION HAZARD

EXTINGUISHING MEDIA LIMIT: N/A

FLASHPOINT (METHOD USED): N/A

FLAMMABLE: N/A

Unusual Fire and Explosive Hazards      Special Fire Fighting Procedures
             LEL                                    UEL
             N/A                                    N/A
DATE PREPARED: 11/01/85            DATE REVISED: 10/06/90

SECTION V - HEALTH HAZARD DATA

PRIMARY ROUTE OF ENTRY: Inhalation.

EFFECTS OF OVER EXPOSURE: Nuisance dust may cause Nasal, Throat or

Lung irritation or discomfort - May aggravate Bronchial disorders.

Slight dermatological irritation after prolonged skin contact

Threshold Limit Value: None

EMERGENCY AND FIRST AID PROCEDURES: Flush eyes and skin with copious quantities of water. Get immediate medical attention for eyes. If swallowed, consult physician immediately.

SECTION VI - REACTIVITY DATA

STABILITY: Stable

Incompatability (Materials to avoid): None

Hazardous Decomposition Products: None

Hazardous Polymerization: Will not occur

SECTION VII - SPILL OF LEAK PROCEDURES

STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED:

Sweep up spilled powder and dispose in approved industrial waste container. Hose spilled neat cement paste with water immediately. Cement is not water soluble after setting up.

WASTE DISPOSAL METHOD: Approved industrial waste disposal means.

SECTION VIII - SPECIAL PROTECTION INFORMATION

Respiratory Protection (specify Type):

Dust respirator in compliance with OSHA Standard currently 29 CFR 1910.134 (NIOSH approved, air purifying, half mask or full facepiece respirator with appropriate filter pad or cartridge (s))

VENTILATION      LOCAL EXHAUST    Follow OSHA Standard 29 CFR 1910.94
MECHANICCAL (GENERAL)             Follow OSHA Standard 29 CFR 1910.94

(Reference 1984-85 ACGIH TLV Booklet, Page 34) Appropriate ventilation should be provided and protective equipment should be worn in compliance with OSHA standard currently 29 CFR 1910.134 (NIOSH approved air purifying half mask or full facepiece respirator with appropriate filter pad or cartridge(s).

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ADDRESS: Scientific Instrument Services, 1027 Old York Rd., Ringoes, NJ 08551-1054.