Lincoln Electric 45KPOP Manuel d'utilisation et d'entretien télécharger pdf (Page 8)

SILVER BRAZING ALLOYS (BARE & FLUX-COATED WIRE or RODS)

PAGE 8 OF 12

9. PHYSICAL and CHEMICAL PROPERTIES (Continued)

The following information is for the products:

APPEARANCE, ODOR AND COLOR: These products are odorless, solid rods that have a metallic luster , which may have

a flux coating.

HOW TO DETECT THIS SUBSTANCE (warning properties): The appearance is a distinctive characteristic of these

products.

10. STABILITY and REACTIVITY

STABILITY: Stable.

DECOMPOSITION PRODUCTS:

BARE RODS: Metal oxides.

COATED RODS: Metal oxides, boric anhydride, fluoride compounds, and hydrogen fluoride.

MATERIALS WITH WHICH SUBSTANCE IS INCOMPATIBLE: Strong acids, strong oxidizers, acetylene, halogenated

hydrocarbons, halogens, ammonium nitrate, sulfur, potassium, alkali carbonates, alkali hydroxides, glass, other silica-based

compounds.

HAZARDOUS POLYMERIZATION: Will not occur.

CONDITIONS TO AVOID: Avoid uncontrolled exposure to extreme temperatures, incompatible materials.

PART IV Is there any other useful information about this material?

11. TOXICOLOGICAL INFORMATION

TOXICITY DATA: Presented below are human toxicological data available for the constituents of these products present in

concentration greater than 1%. Other data for animals are available for the constituents of these products, but are not

presented in this Material Safety Data Sheet.

BORIC ACID:

Skin Irritancy (human) = 15 mg/ 3 days/

intermittent; mild

LD (oral, human) = 37 mg/kg/ boron as boric acid

LD (skin, infant) = 210 mg/kg/ boron as boric acid

TDLo (oral, rat) = 45000 mg/kg/ 90 days/ male;

reproductive effects

TDLo (oral, child) = 500 mg/kg; gastrointestinal

effects

LDLo (oral, man) = 429 mg/kg; cardiovascular,

systemic effects

LDLo (oral, woman) = 200 mg/kg

TDLo (oral, infant) = 800 mg/kg/ 4 weeks/

intermittent

BORIC

ACID (continued):

LDLo (oral, infant) = 934 mg/kg

LDLo (skin, infant) = 1200 mg/kg

LDLo (skin, child) = 4000 mg/kg/ 4 days

LDLo (skin, man) = 2430 mg/kg

LDLo (skin, child) = 1500 mg/kg

LDLo (subcutaneous, infant) = 1100 mg/kg

TDLo (unreported, man) = 170 mg/kg;

gastrointestinal effects

LDLo (unreported, man) = 147 mg/kg

COPPER:

TDLo (oral-human) = 0.12 mg/kg; gastrointestinal

effects

MANGANESE:

TCLo (inhalation-man) = 2300 g/m

; BRN,

central nervous system effects

SILVER:

TCLo (inhalation-human) = 1 mg/m

; skin effects

ZINC:

Skin Irritancy (human) = 300 mg/ 3 days/

intermittent; mild

TCLo (inhalation-human) = 124 mg/m

/ 50

minutes; pulmonary system effects, skin

SUSPECTED CANCER AGENT: Components of these products are listed as follows:

COPPER: EPA-D (Not Classifiable as to Human Carcinogenicity)

MANGANESE: EPA-D (Not Classifiable as to Human Carcinogenicity)

PROPRIETARY FLUORIDE COMPOUND (as a Fluoride Compound): IARC-3 (Unclassifiable as to Carcinogenicity in Humans), ACGIH TLV-A4 (Not

Classifiable as a Human Carcinogen)

NICKEL, ELEMENTAL, METAL: IARC-2B (Possibly Carcinogenic to Humans), MAK-1 (Substances which Cause Cancer in Man), NIOSH-X, (Carcinogen

Defined with no Further Categorization); NTP-R (Reasonably Anticipated to be a Human Carcinogen), ACGIH TLV-A5 (Not Suspected as a Human

Carcinogen)

SILVER: EPA-D (Not Classifiable as to Human Carcinogenicity)

ZINC: EPA-D (Not Classifiable as to Human Carcinogenicity (inadequate human and animal evidence of carcinogenicity or no data available)

The other constituents of these products are not found on the following lists: FEDERAL OSHA Z LIST, NTP, IARC, and

CAL/OSHA and therefore are not considered to be, nor suspected to be, cancer-causing agents by these agencies.

IRRITANCY OF PRODUCT: The dusts or fumes of these products may be irritating to contaminated skin, eyes, respiratory

system, and other tissues.

SENSITIZATION TO THE PRODUCT: Rare cases of allergic contact dermatitis have been reported in people working with

copper dust. Nickel has been reported to cause sensitization effects in sensitive individuals.

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Lincoln Electric 45KPOP Manuel d'utilisation et d'entretien Page 8

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