SAFETY DATA SHEET Revision date 16-July-2020 Section 1: IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING Product Identifier CAS No. Product Name Molecular Formula Details of the supplier Company name Address Website Telephone Fax Zirconium silicide 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 0086-731-85124338 Section 2: HAZARDS IDENTIFICATION The substance is not classified according to the Globally Harmonized System (GHS). Have cute toxicity, Inhalation Harmful if inhaled. Skin irritation Causes skin irritation Eye irritation Causes serious eye irritation Specific target organ toxicity -May cause respiratory irritation GHS label elements Labelling according Regulation (EC) No 1272/2008 Hazard pictograms not applicable Signal word Warning Hazard statements H315 Causes skin irritation. H319 Causes serious eye irritation. H332 Harmful if inhaled. H335 May cause respiratory irritation. Precautionary statements P261 Avoid breathing dust. Page 2 of 6 P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Supplemental hazard: none Section 3: COMPOSITION/INFORMATION ON INGREDIENTS Chemical characterization: Substances CAS No.:12039-90-6 Description:Zirconium disilicide Section 4: FIRST AID MEASURES Description of first aid measures If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.In case of skin contact Wash off with soap and plenty of water. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. Hunan Huawei Jingcheng Material Technology Co., Ltd.www.hnjc-metal.com

If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. Most important symptoms and effects, both acute and delayed The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11 Indication of any immediate medical attention and special treatment needed No data available Section 5: FIRE FIGHTING MEASURES Extinguishing media Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Special hazards arising from the substance or mixture Zirconium...

Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Respiratory protection For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle r (US) or type ABEK- P2 (EU EN 143) respirator cartridges. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Control of environmental exposure Do not let product enter drains. Section 9: PHYSICAL AND CHEMICAL PROPERTIES a) Appearance: powder...

Persistence and degradability Bioaccumulation Mobility Results of PBT and vPvB assessment Other adverse effects No information available. No information available. No information available. This substance/mixture contains no components considered to be either persistent, bioaccumulative andtoxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher. No information available Section 13: DISPOSAL CONSIDERATIONS Waste treatment methods Product Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste disposal...

Hunan Huawei Jingcheng Material Technology Co., Ltd.www.hnjc-metal.com