IMPERIAL TRADING LTD.

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                       MATERIAL SAFETY DATA SHEET ?CSN

Section I ?Product Information



Product Form:            Bare Rod, Wire, and Ingot



Product Identifiers:     1800B, NiCrMo



Product Description:     Cobalt based alloy used for dental and medical implants.



Date Prepared: July 1, 1996



Section II ?Hazardous Ingredients / Exposure Limits



Chemical Identity      CAS No.           OSHA PEL            TLV2                 Concentration

                                         (Mg/M)              (Mg/M)               Weight %

Chromium*              7440-47-3         1.0                 0.5                  10-30%

Manganese*             7439-96-5         5.0 CLG             5.0 CLG              <1.0

Silicon                7440-21-3         5.0                 10.0                 <1.0

Nickel*                7440-02-0         1.0                 1.0                  60-90%

Molybdenum             7439-98-7         10.0                10.0                 5-12%

Iron                   7439-89-6         10.0                5.0                  0-5%

Cobalt*                7440-48-4         0.1                 0.05                 0-3%

Tungsten               7440-33-7         N/A                 5.0                  0-5%

Columbium              7440-03-1         5.0                 5.0                  0-5%

Beryllium*             7440-41-7         0.005               0.002                0-2%



* Elements subject to reporting requirements of SARA Section 313 of EPCRA and 40 CFR372



Section III ?Physical Characteristics



Not Applicable



Section IV ?Fire and Explosion Hazard Data



Non-flammable



Section V ?Reactivity Data ?Hazardous Reaction



Material has no hazardous reaction



Section VI ?Health Hazard and Precautions



Avoid breathing fumes during melting procedures. Use proper ventilation and respiratory precaution.

Avoid breathing dust during cutting or grinding operations. In solid form these alloys are not toxic and

pose no health risk.



WARNING: SOME PRODUCTS LISTED MAY CONTAIN BERYLLIUM.



Beryllium dust when inhaled can cause irreversible lung damage (berylliosis). All precautions must be

taken to avoid breathing dust or fumes when manufacturing or processing these products.