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1. IDENTIFICATION OF THE MATERIAL AND SUPPLIER Product name: MICROSILICA ( SILICA FUME)

Tel: +971 6 530 6010, Fax: +971 6 530 6063, P.O. Box: 50720-SHJ-UAE Office No. E-47G-16, Hamriya Free Zone, Sharjah - United Arab Emirates Email: info@qube.ae – www.qube.ae. 1. IDENTIFICATION OF THE MATERIAL AND SUPPLIER Product name: MICROSILICA ( SILICA FUME)

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1. IDENTIFICATION OF THE MATERIAL AND SUPPLIER Product name: MICROSILICA ( SILICA FUME)

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  1. Tel: +971 6 530 6010, Fax: +971 6 530 6063, P.O. Box: 50720-SHJ-UAE Office No. E-47G-16, Hamriya Free Zone, Sharjah - United Arab Emirates Email: info@qube.ae – www.qube.ae 1. IDENTIFICATIONOF THEMATERIALANDSUPPLIER Product name: MICROSILICA ( SILICA FUME) Synonyms: Amorphous silica fume, Densified silica fume, Microsilica, Undensified micro silica Uses: Concrete Additive, Refractory applications, Strengthening agent. Supplier name: QUBE FZC Office No. E-47G-16, Hamriya Free Zone, Sharjah - United Arab Emirates Tel: +971 6 530 601, Fax: +971 6 530 6063, P.O. Box: 50720–SHJ-UAE Email: bob@qube.ae – www.qube.ae 2.HAZARDSIDENTIFICATION NOT CLASSIFIED AS HAZARDOUS ACCORDING TO NOHSC CRITERIA NOT CLASSIFIED AS A DANGEROUS GOOD BY THE CRITERIA OF THE ADG CODE 3.COMPOSITION/INFORMATION ON INGREDIENTS Ingredient Formula Conc. CASNO. Silica, Amorphous-fume >90% 69012-64-2 Carbon <10% Not Available Silica, Crystalline-Quartz <1% 14808-60-7

  2. Tel: +971 6 530 6010, Fax: +971 6 530 6063, P.O. Box: 50720-SHJ-UAE Office No. E-47G-16, Hamriya Free Zone, Sharjah - United Arab Emirates Email: info@qube.ae – www.qube.ae 4.FIRSTAIDMEASURES Eye Flush gently with running water. Seek medical attention if irritation develops Inhalation If exposure occurs leave exposure area immediately. If irritation persists, seek medical attention. Skin Gently flush affected areas with water. Ingestion For advice, contact a poisons information centre or a doctor. Due to product form and application, ingestion, is considered unlikely. Advice to doctor Treat symptomatically. First Aid facilities Eye wash facilities should be provided. 5.FIREFIGHTING MEASURES Flammability Not flammable. No fire or explosion hazard exists. Not expected to evolve hazardous decomposition products. Fire and Explosion Non flammable .No fire or explosion hazard exists. Extinguishing Non flammable Hazchem Code None Allocated 6.ACCIDENTAL RELEASE MEASURES Spillage If spilt (bulk), wear dust-proof goggles, cotton/leather gloves, a class P2(partulate) respirator (where an inhalation risk exists) and coveralls or protective clothing. Moisten with water to prevent a dust hazard and place in sealable containers for disposal.

  3. Tel: +971 6 530 6010, Fax: +971 6 530 6063, P.O. Box: 50720-SHJ-UAE Office No. E-47G-16, Hamriya Free Zone, Sharjah - United Arab Emirates Email: info@qube.ae – www.qube.ae 7. HANDLING AND STORAGE Handing Use safe work practices to avoid eye or skin contact and inhalation. observe good personal hygiene. Wash hands before eating. Storage Store in cool, dry, well ventilated area, removed from acids (eg hydrofluoric acid) and foodstuffs. Ensure containers are adequately labeled, protected from physical damage and sealed when not in use. Bulk material should be stored in a manner that minimises dust generation. 8. EXPOSURE CONTROLS/PERSONAL PROTECTION Ventilation Do not inhale dusts. use in well ventilated areas-open doors and windows. In poorly ventilated areas, mechanical extraction ventilation at source is recommended. Maintain dust levels below the recommended exposure standard. Exposure Silica, Amorphous –fume (69012-64-2) Standards ES-TWA:2mg/M3 silica fume (thermally generated) (respirable) CARBON (Not Available) ES-TWA: 10mg/m3(inspirable dust) Silica, Crystalline –Quartz(14808-60-7) ES-TWA:0.2mg/m3(silica Quartz, respirable, NOHSC) WES:0.2mg/m3 PPE Wear dust-proof goggles and a Class P2(particulate) Respirator, when using large quantities or Where heavy contamination is likely, wear leather or cotton gloves.

  4. Tel: +971 6 530 6010, Fax: +971 6 530 6063, P.O. Box: 50720-SHJ-UAE Office No. E-47G-16, Hamriya Free Zone, Sharjah - United Arab Emirates Email: info@qube.ae – www.qube.ae 9. PHYSICAL AND CHEMICAL PROPERTIES Appearance: FINE WHITE TO LIGHT GRAY OR DARK GRAY POWDER Odour: ODOURLESS PH: 6-7(1% Slurry) VapourPressure: NOT AVAILABLE VapourDensity: NOT AVAILABLE Boiling Point: NOT AVAILABLE Melting Point: 1550-1700C Evaporation Rate: NOT AVAILABLE Solubility (water): INSOLUBLE Specific Gravity: 2.2-2.3 % Volatiles: NOT AVAILABLE Flammability: NOT FLAMMABLE Flash Point: NOT RELEVANT Upper Explosion Limit: NOT RELEVANT Lower Explosion Limit: NOT RELEVANT Auto ignition Temperature: NOT AVAILABLE Density: 150-700 kg/m3(Bulk)

  5. Tel: +971 6 530 6010, Fax: +971 6 530 6063, P.O. Box: 50720-SHJ-UAE Office No. E-47G-16, Hamriya Free Zone, Sharjah - United Arab Emirates Email: info@qube.ae – www.qube.ae 10. STABILITY AND REACTIVITY Reactivity Incompatible with hydrofluoric acid. Contact will produce toxic silicon tetrafluoride gas. Heating this product above 500C may result in the formation of crystalline silica (cristobalite / tridymtie), which can cause silicosis and is a known human carcinogen. Decomposition products Not expected to evolve hazardous decomposition products. 11. TOXICOLOGICAL INFORMATION Health Hazard Irritant, use safe work practices to avoid dust generation/inhalation and skin/eye contact. Summary Exposure to amorphous silica does not cause silicosis, however there is a risk of pulmonary fibrosis associated with the crystalline silica contaminant. Crystalline silica (Quartz) is classified as a known human carcinogen. Due to the low levels present, adverse health effects are only anticipated following long term exposure at concentrations exceeding the TWA. EyeIrritant exposure may result in, lacrimation, irritation, pain and redness. Inhalation Irritant dust generation may result in mucous membrane irritation of the upper respiratory tract with over exposure chronic exposure to crystalline silica may result in lung disease (silicosis). Crystalline silica is classified as carcinogenic to humans. Skin Irritant. Prolonged contact may result in irritation, itching and possible skin rash. Ingestion Irritating to gastrointestinal tract.

  6. Tel: +971 6 530 6010, Fax: +971 6 530 6063, P.O. Box: 50720-SHJ-UAE Office No. E-47G-16, Hamriya Free Zone, Sharjah - United Arab Emirates Email: info@qube.ae – www.qube.ae 12. ECOLOGICAL INFORMATION Environment The main component/s of this product occur naturally in the earth’s crust. it is not anticipated to cause any adverse effects to plants or animals. 13. DISPOSAL CONSIDERATIONS Waste Reuse where possible. No special precautions are required for this product. Disposal Legislation Dispose of in accordance with relevant local legislation. 14. TRANSPORT INFORMATION Transport Not classified as a Dangerous Good according to the World code for the transport of Dangerous goods by road and rail. UN Number None allocated DG class None allocated Subsidiary None allocated Packing group None allocated Hazchemcode None allocated 15. REGULATORY INFORMATION Poison A poison schedule number has not been allocated to this product using the criteria in the standard Schedule for the Uniform Scheduling of Drugs and poisons (SUSDP)

  7. Tel: +971 6 530 6010, Fax: +971 6 530 6063, P.O. Box: 50720-SHJ-UAE Office No. E-47G-16, Hamriya Free Zone, Sharjah - United Arab Emirates Email: info@qube.ae – www.qube.ae 16. OTHER INFORMATION This product has a particle size of approximately 0.5 microns and a specific surface area of 16-28 m3/g. 17.This material has been tested and found non-radioactive. Report date: 1th DECEMBER 2010 Dated printed: 31th DECEMBER 2011

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