MATERIAL SAFETY DATA SHEET_1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION Material IdentityProduct Name: cement base waterproofing materialGeneral or Generic ID: Appearance: cement grey powderOdor: weak odorCompany IdentificationShanghai ChangYao chemical Co., LTD2. Composition/Information on Ingredient : the mixture the solid is powderyIngredient name CAS NO % EC NO ClassificationQuartz（Sio2） 14808-60-7 50-75 238-878-4 not classified(1)Cement 65997-15-1 25-35 266-043-4 xi;R41,R37/38(1)(2)See section 16 for the full text of the rphrases declared above(1) substance classified with a health or environmental hazard(2) substance with a workplace exposure limitoccupational exposure limits,if available,are listed in section 8_3. Hazards Identification EMERGENCY OVERVIEW Caution: Avoid contact and inhalation. Target organ(s): skin. Eyes respiratory system. For additional information on toxicity, please refer to Section 11. _4. First Aid Measures ORAL EXPOSURE Do not induce vomiting unless directed to do so by medical personnel.Maintain an open airway.Seek immediate medical attention INHALATION EXPOSURE Get medical attentionSKIN EXPOSUREFlush contaminated skin with plenty of water. Remove contaminated clothing and shoes. Continue to rinse for at least 10 minutes. Obtain medical attention if symptoms occurEYE EXPOSUREGet medical attention immediately. immediately flush eyes with plenty of water, occasionally lifting the upper and lower eyelids. Check for and remove any contact lenses. Continue to rinse for at least 10 minutes. Chemical burns must be treated promptly by a physician_5 - Fire Fighting Measures FLASH POINT N/A AUTOIGNITION TEMP N/A FLAMMABILITY N/A EXTINGUISHING MEDIA Suitable: use an extionuishing agent sitable for the surrounding fireNot suitable:none knownSpecial exposure hazards:no specific fire or explosion hazardFIRE FIGHTING Protective Equipment: the fire-fighters should wear appropriate protective equipment and self-contained breathing apparatus(SCBA) with a full face-piece operated in positive pressure mode. Specific Hazard(s): Emits toxic fumes under fire conditions. _6. Accidental Release Measures PERSONAL PRECAUTIONSKeep unnecessary and unprotected personnel from entering. Do not touch or walk through split material. Avoid breathing dust. Provide adequate ventilation. Wear appropriate respirator when ventilation is inadequate. Put on appropriate personal protective equipmentENVIRONMENTAL PRECAUTIONSAvoid dispersal of spilt material and runoff and contact with soil,waterways,drains and sewers. Inform the relevant authorities if the product has caused environmental pollution(sewers,waterways,soil or air)LARGE SPILLMove containers from spill area. Prevent entry into sewers,water courses, basements or confined area, Vacuum or sweep up material and place in a designated,labeled waste container. Avoid creating dusty conditions and prevent wind dispersalSMALL SPILLMove container from spill area. Vacuum or sweep up material and place in a designated, labeled waste container_ _7. Handling and Storage HANDLING Put on appropriate personal protective equipment.Eating drinking and smoking should be prohibited in areas where this material is handled,stored and processed.Workeds should wash hands and face before eating,drinking and shoking,Do not get in eyes or on skin or clothing,DO not breathe dust,Use only with adequate ventilation,Wear appropriate respirator when ventilation is inadequate.Keep in the original container or an approved alternative made from a compatible material,kept tightly closed when not in use,Emptycontainers retain product residue and can be hazardous STORAGE Store in accordance with local regulations.Store in original container protected from direct sunlight in a dry,cool and well-ventilated atea,away from incompatible materials and food and drink.Keep container tightly closed and sealed until ready for use.Container that have been opened must be carefully resealed and kept upright to prevemt leasage.Do not store in unlabelled containers.Yse appropriate containment to avoid environmental contaminationPACKAGING MATERIALS RECOMMENDEDUse original container_ _8. Exposure Controls / PPE ENGINEERING CONTROLS Mechanical exhaust required. Safety shower and eye bath. PER