Product ID:BAG-7 SILVER BRAZING ALLOY
MSDS Date:09/01/1995
FSC:3439
NIIN:00-390-7947
MSDS Number: CCMHT

NATIONAL WELDING ALLOYS, INC.

1600 SOUTH CANAL STREET
PITTSBURGH, PA 15215
US

Emergency Phone: 412-781-4255, CHEMTREC 800-424-9300

Info Phone: 412-781-4255

Cage: 0ACE2

NATIONAL WELDING ALLOYS INC

PITTSBURGH, PA 15215-2624 US

Telephone: 412-781-4255

Cage: 0ACE2

SILVER (SARA 313) (CERCLA)

CAS: 7440-22-4

RTECS: VW3500000

Fraction By Weight: 56%

OSHA PEL 0.01 MG/M3

ACGIH TLV: 0.1 MG/M3; 9596

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

COPPER (SARA 313) (CERCLA)

CAS: 7440-50-8

RTECS: GL5325000

Fraction By Weight: 22%

OSHA PEL 0.1MG/M3 FUME/1 DUST

ACGIH TLV: 0.2 MG/M3 FUME; 9596

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

ZINC (SARA 313) (CERCLA)

CAS: 7440-66-6

RTECS: ZG8600000

Fraction By Weight: 17%

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

TIN

CAS: 7440-31-5

RTECS: XP7320000

Fraction By Weight: 5%

OSHA PEL 2 MG/M3

ACGIH TLV: 2 MG/M3; 9596

BORIC ACID

CAS: 10043-35-3

RTECS: ED4550000

OSHA PEL 10 MG BORATES/M3

ACGIH TLV: 5 MG BORATES/M3

FLUORIDES (AS FUME)

WELDING FUME

OSHA PEL 5 MG/M3

ACGIH TLV: 5 MG/M3

LD50 LC50 Mixture:UNCLASSIFIED BRAZING FUMES=5MG/M3 PEL
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EXPOSURE TO BRAZING FUMES OR GASES MAY
CAUSE METAL FUME FEVER. SYMPTOMS INCLUDE NAUSEA, FEVER, DRYNESS OR
IRRITATION OF THE THROAT, COUGHING, BODY ACHE AND CHILLS. LONG TERM
EXPOSURE TO BRAZING FUMES, GASES OR DUST MAY CONTRIBUTE TO
PULMONARY IRRITATION OR PNEUMOCONIOSIS. USE OF FLUORIDE FLUX FUMES
ARE ALSO HAZARDOUS.
Explanation of Carcinogenicity:NONE OF THE INGREDIENTS IN THIS ALLOY
ARE CONSIDERED CARCINOGINIC BY NTP, IARC OR OSHA.
Effects of Overexposure:COPPER AND ZINC FUME MAY CAUSE METAL FUME
FEVER. SHORT TERM SYMPTOMS MAY INCLUDE A METALLIC TASTE IN THE
MOUTH, DRYNESS OR IRRITATIONS OF THE THROAT FOLLOWED BY COUGHING,
SHORTNESS OF BREATH, NAUSEA, FEVER, BODY ACHE, AND CHILLS. LONG
TERMEXPOSURE TO WELDING FUME, GASES OR DUST MAY CONTRIBUTE TO
PULMONARY IRRITATION.
Medical Cond Aggravated by Exposure:INDIVIDUALS WITH IMPAIRED PULMONARY
FUNCTIONS OR ILLNESS MAY HAVE SYMPTOMS EXACERBATED BY FUME
IRRITATIONS.

First Aid:REMOVE FROM DUST OR FUME EXPOSURE. IF BREATHING HAS STOPPED,
PERFORM ARTIFICIAL RESPIRATION. GET MEDICAL ATTENTION IMMEDIATELY.
BRAZING ALLOYS ARE FREQUENTLY USED WITH A FLUORIDE TYPE FLUX. IF
APPLICA BLE, FLUX FUME SHOULD BE CONSIDERED IN TREATMENT.

Flash Point:NONE
Lower Limits:NONE
Upper Limits:NONE
Extinguishing Media:USE MEDIA APPROPRIATE FOR SURROUNDING FIRE. TO
EXTINGUISH A METAL POWDER FIRE, USE DRY SAND, DRY GRAPHITE OR CLASS
D EXT
Fire Fighting Procedures:WEAR FIRE FIGHTING PROTECTIVE EQUIPMENT AND A
FULL FACED SELF CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:NO UNUSUAL FIRE OR EXPLOSION HAZARDS ARE
ASSOCIATED WITH THIS MATERIAL.

Spill Release Procedures:CLEAN UP ANY GRINDING DUST OR WASTE RESIDUES
AND PLACE IN SUITABLE DOT APPROVED CONTAINERS AND DISPOSE OF IN
FULL COMPLIANCE WITH FEDERAL, STATE AND LOCAL REGULATIONS. AVOID
INHALATION AND SKIN EXPOSU RE.

Handling and Storage Precautions:WEAR GLOVES AND FLAME RETARDANT
CLOTHING WHEN CUTTING, GRINDING OR BRAZING.
Other Precautions:PROVIDE PROTECTIVE SCREENS TO SHIELD OTHERS. WHEN
ELECTRODES AND FLUXES ARE CONSUMED, THE FUME AND GAS DECOMPOSITION
PRODUCTS GENERATED ARE DIFFERENT IN FORM FROM THE INGREDIENTS
LISTED. NEW COMPOUNDS NOT IN THE ELECTRODES MAY FORM.

Respiratory Protection:USE WELD FUME RESPIRATOR OR AIR SUPPLIED
RESPIRATOR WHEN CUTTING, GRINDING OR BRAZING IN A CONFINED SPACE OR
WHERE LOCAL EXHAUST OR GENERAL VENTILATION DOES NOT KEEP EXPOSURE
BELOW RECOMMENDED LIMITS. USE ONLY NIOSH APPROVED RESPIRATORS.
Ventilation:USE ENOUGH VENTILATION WHEN CUTTING, GRINDING OR BRAZING TO
KEEP THE DUST, FUMES & GASES FROM THE WORKERS BREATHING ZONE
Protective Gloves:WELDERS LEATHER GLOVES
Eye Protection:OSHA APPROVED GOGGLES/FACE SHIELD W/LENS
Other Protective Equipment:DARK FLAME RETARDANT CLOTHING WHEN CUTTING,
GRINDING OR BRAZING INCLUDING ARM & SHOULDER PROTECTORS, APRON, AND
HAT.
Work Hygienic Practices:WASH THOROUGHLY BEFORE EATING, DRINKING OR
SMOKING. LAUNDER CONTAMINATIED CLOTHING BEFORE REUSE.
Supplemental Safety and Health
BRAZING FUMES & GASES CANNOT BE CLASSIFIED SIMPLY. THEIR COMPOSITION
AND QUANTITY ARE DEPENDENT ON THE METAL BEING WELDED, THE
PROCEDURES, PROCESSES AND THE TYPE OF WIRE OR ELECTRODES USED.
OTHER INFL UENCING FACTORS ARE THE PRESENCE OF CONTAMINANTS.
CHLORINATED SOLVENTS AND FLUORIDE FLUXES MAY DECOMPOSE TO TOXIC
GASES.

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:1145F,618C
Appearance and Odor:SILVER BRAZING ALLOY; WIRE-0.125 INCHES DIAMETER;
COIL.
Corrosion Rate:UNKNOWNU

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG MINERAL ACIDS-MAY GENERATE HYDROGEN GAS
WHICH IS AN EXPLOSION HAZARD.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:BRAZING FUMES AND GASES CANNOT BE
CLASSIFIED SIMPLY. THE DECOMPOSITON PRODUCTS ARE DIFFERENT FROM THE
ROD INGREDIENTS.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL, STATE &
LOCAL REGULATIONS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.