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RFQ Description

1. Description 4. PackingElkem Microsilica® Grade 920 is a dry silica The product is available in 25 kg bags, variousfume available in two forms: Undensified and other size bags and bulk road tanker. PleaseDensified. In use, it acts physically as a filler contact our representative for more details.and chemically as a highly reactive pozzolan.5. Storage & handlingA key ingredient in many construction Elkem Microsilica® Grade 920 should be kept inmaterials, Elkem Microsilica® is used in gypsum dry storage. Products that have beenboards to improve fire performance. It delays subjected to moisture and allowed to dryboard shrinkage and retains board core again may result in inferior performance.strength in fire conditions improving overallboard properties and durability. 6. Quality controlElkem Silicon Materials is certified to ISO 9001.2. Chemical properties The chemical and physical properties of ElkemMicrosilica® are regularly tested.7. Health, safety & environmentRefer to Product safety information (PSI)document on Elkem website:Test methods available on request. Typical values for guidance only. *When packed. 8. Additional informationSee additional Elkem data sheets andtechnical papers on our website: 3. Physical propertiesAll data listed are reference values subject to productionrelated tolerances. Although reasonable care has beentaken in the preparation of the information containedherein, it still remains the duty of the user to prove thesuitability of this material for their application.This data sheet is property of Elkem AS and may not beused without written permission, copied or madeTest methods available on request. Typical values for available to others. The receiver is responsible for everyguidance only. *When packed. misuse.elkem.comelkem.comElkem Microsilica® 920Gypsum board applications “ Product data sheetElkem Silicon Materials,PO Box 8126, Vaagsbygd,NO-4675 Kristiansand, NORWAYProperty Unit Typical valueSpecific surface area 2 m /g 15 - 35Bulk density U 3 kg/m * 200 - 350Bulk density D 3 kg/m * 500 - 700Property Unit Typical valueSiO2 % 85.0H O 2 %* 3.0® Elkem