MATERIAL SAFETY DATA SHEET

I.   PRODUCT IDENTIFICATION

Manufacturer/Supplier: 

ESPI Metals

1050 Benson Way, Ashland, OR 97520

Toll Free (800) 638-2581 * Fax (541) 488-8313

E-Mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Product Name:     Tungsten-Rhenium Alloy

Formula:               WRe

II.   HAZARDOUS INGREDIENTS

Tungsten:         75 - 97.5%

ACGIH TLV:        5 mg/m³

Rhenium:           2.5 - 25%

ACGIH TLV:        N/A

III.   PHYSICAL DATA

Boiling Point:                   5660 ^oC

Specific Gravity:             19

Solubility in H₂O:             Insoluble

Appearance and Odor:    N/A

IV.   FIRE AND EXPLOSION HAZARDS DATA

Flash Point:  N/A

Flammable Limits:  N/A

Extinguishing Media:  Fine dust from grinding operations may be a hazard if accumulates.

Special Fire Fighting Procedures:  Use dry sand or limestone to exclude oxygen.  Small fire; use a respirator approved for toxic dust and fumes, for a larger fire, use a self contained breathing apparatus.

Unusual Fire and Explosion Hazards:  Dust may present a fire or explosion hazard under favoring conditions of particle size, dispersion, and a strong ignition source.  Not expected under normal handling conditions.

V.   HEALTH HAZARD INFORMATION

Signs and Symptoms of Exposure:  Mild irritant of nose and throat, eye and skin contact may cause irritation due to abrasion.

EMERGENCY AND FIRST AID PROCEDURES:

EYES:  Flush thoroughly, if irritation persists, seek medical attention.

SKIN:  Flush thoroughly, if irritation persists, seek medical attention.

INHALATION:  Pulmonary involvement, remove form exposure seek medical attention.

VI.   REACTIVITY DATA

Stability:  Stable

Conditions to Avoid:  Dust accumulation from grinding operations.

Incompatibility (Material to Avoid):  Avoid contact of dust with strong oxidants, fluorine gas.

Hazardous Decomposition Products:  None.

Hazardous Polymerization:  Will not occur.

VII.   SPILL OR LEAK PROCEDURES

Steps to be Taken in Case Material is Released or Spilled:  Applicable for grind dust:  Vacuum using appropriate filter to prevent airborne dust levels which exceed the TLV, wet dust mop or wet clean up:  use appropriate NIOSH approved respirator if airborne dust is generated.

Waste Disposal Method:  Dispose of in accordance with appropriate government regulations.  May be sold as scrap, for reclamation.

VIII.   SPECIAL PROTECTION INFORMATION

Respiratory Protection:  If TLV concentration is exceeded use NIOSH respirator as set forth in 29CFR 1910.134.

Ventilation:  Local Exhaust:  Adequate to limit airborne dust to below TLV.

Hygiene Work Practices:  If ventilation equipment is not available, use respirator as specified above.

IX.   SPECIAL PRECAUTIONS

Precautions to Be Taken in Handling and Storage:  Maintain good housekeeping to prevent accumulation of dust, if airborne dust is generated during operations use NIOSH approved respirator.

Other Precautions and/or Special Hazards:  Wash thoroughly after handling, before eating or smoking, and at the end of work shift.  Avoid dust inhalation, ingestion, and direct skin contact.

The above information is believed to be correct, but does not purport to be all inclusive and shall be used only as a guide.  ESPI shall not be held liable for any damage resulting from handling or from contact with the above product.

Prepared by:          S. Dierks

Dated:                   April 1993