KALT

2.1 Classification of the substance or mixture

GHS Classification Since no regulations exist for the product as alloys, the regulations for the constitutive elements applicable for ISHA (copper) are described below. (JCSCL not applicable) 2-1 Copper: GHS classification Physical hazard Explosives Not applicable Flammable Gases Not applicable Flammable aerosols Not applicable Oxidizing gases Not applicable Compressed gases Not applicable Flammable liquids Not applicable Flammable solids Not classifiable Self-reactive substances and mixtures Not applicable Pyrophoric liquids Not applicable Pyrophoric solids Not classifiable Self-heating substances and mixtures Not classifiable Substances and mixtures that, in contact with water, emit flammable gases Not classifiable Oxidizing liquids Not applicable Oxidizing solids Not applicable Organic peroxides Not applicable Corrosive to metals Not classifiable

Health hazards

Acute toxicity (oral) Not classifiable Acute toxicity (dermal) Not classifiable Acute toxicity (inhalation: gases) Not applicable SDS № P.2 2/10／６ 2/10 2/10３／６ Acute toxicity (inhalation: vapor) Not classifiable Acute toxicity (inhalation: dust) Not classifiable Acute toxicity (inhalation: mist) Not classifiable Skin corrosion/irritation Not classifiable Serious eye damage/irritation Not classifiable Respiratory sensitization Not classifiable Skin sensitization Not classifiable Germ cell mutagenicity Not classifiable Carcinogenicity Unclassified Toxic to reproduction Not classifiable Specific target organ toxicity, systemic toxicity (single exposure) Category 3 (respiratory tract irritation)

2.2 Label elements

Specific target organ toxicity, systemic toxicity (repeated exposure) Category 1 (liver)

Aspiration hazard

Not classifiable

Environmental hazards

Hazardous to the aquatic environment (acute) Not classifiable Hazardous to the aquatic environment (chronic) Category 4 No diagram SDS № P.3 3/10／６ 3/10 3/10３／６