SAFETY DATA SHEET Revision date 16-July-2020 Section 1: IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING Product Identifier Product Name Molecular Formula Relevant identified uses of the substance or mixture and uses advised against Recommended use Used advised against Laboratory chemicals. Not intended for diagnostic or therapeutic use. Details of the supplier Company name Address Website Telephone Hunan Huawei Jingcheng Material Technology Co., Ltd. Room 516, Hunan International Business Center, Jintai Plaza, East Second Ring, Furong District, Changsha City, Hunan Province, China. www.hnjc-metal.com 0086-731-85124338 Emergency telephone number Chemtrec 0086-731-85124338 Section 2: HAZARDS IDENTIFICATION Label Elements Signal Word: Danger Flammable solid. Harmful if swallowed, in contact with skin or if inhaled Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Ground/bond container and receiving equipment. Use explosion-proof electrical/ ventilating/ lighting/ equipment. Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. Wash skin thoroughly after handling. Hunan Huawei Jingcheng Material Technology Co., Ltd.www.hnjc-metal.com

Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/ protective clothing/ eye protection/ faceprotection. IF SWALLOWED: Call a POISON CENTER or doctor/ physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/ physician if you feel unwell. Specific measures (see supplemental first aid instructions on this label). Rinse mouth. Wash contaminated clothing before reuse. In case of...

apparatus must be worn by firefighters. During a fire, irritating and toxic gases and aerosols may be generated by thermal decomposition and combustions. Protective equipment: No special measures required. Section 6: ACCIDENTAL RELEASE MEASURES Personal precautions, protective equipment and emergency procedures Personal precautions Ensure adequate ventilation, especially in confined areas. Use personal protection recommended in Section 8. Environmental precautions Environmental precautions Avoid discharge into drains, water courses or onto the ground. Methods and materials for containment and...

electrical/ventilating/lighting/equipment. Ensure that eyewash stations and safety showers are close to the workstation location. Personal protective equipment Eye/face protection Eye/face protection Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good...

Section 10: STABILITY AND REACTIVITY Reactivity Reacts With Incompatible Conditions Hazardous Decomposition Products Stable under recommended storage conditions Oxidizing agents N/A Metal oxide fume, carbon monoxide, carbon dioxide Section 11: TOXICOLOGICAL INFORMATION Potential Health Effects: Eyes: Chronic: N/A Signs & Symptoms: Aggravated Medical Conditions: Median Lethal Dose: Carcinogen: ACGIH A4: Not classifiable as a human carcinogen: Inadequate data Section 12: ECOLOGICAL INFORMATION Ecotoxicity No further relevant information available. Other adverse effects Section 13: DISPOSAL CONSIDERATIONS...

Proper Shipping Name: Flammable solid, inorganic, n.o.s. (Zirconium carbide) Section 15: REGULATORY INFORMATION Sec 302 Extremely Hazardous: Section 16: OTHER INFORMATION This material safety data sheet complies with the requirements of Regulation (EC) No. 1907/2006 Disclaimer The information provided in this Material Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a...