0000010079 00000 n 0000009507 00000 n 0000003487 00000 n 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ). Setting time is determined by the Vicat method. 4. 0000001019 00000 n Two classes, based on the compressive strength and density, are covered. The application of gypsum is cement factories and gypsum powder factories. One of the main mineral components in cement hydration is tricalcium silicate (C 3 S). PermaBase Flex® BRAND Cement Board National Gypsum Company Drop In Specification Language (Specifier Note: The purpose of this guide specification language is to assist the specifier in correctly specifying cement backer boards and their installation. US Cement Industry Announced Expansions: –2007 2,430M metric tons –2008 7,400M Metric tons –2009 2,550M Metric tons C10/C10M-14 Standard Specification for Natural Cement C11-18b Standard Terminology Relating to Gypsum and Related Building Materials and Systems C22/C22M-00 (2015) Standard Specification for Gypsum C25-19 Standard Test Methods for Chemical Analysis of … The grade of gypsum for soil reclamation has been deleted as a Standard Specification for Cement , lime gypsum 1. 1.2 This specification covers the interior job conditions during the application of … Composition. For instance, portland cements and blended hydraulic cements for concrete in the U.S. conform to the American Society for Testing and Materials (ASTM) C150 (Standard Specification for Portland Cement), C595 (Standard Specification for Blended Hydraulic Cement) or C1157 (Performance Specification for Hydraulic Cements). 910 0 obj <> endobj trailer When extreme accuracy and greater surface hardness are required (as in duplicator models), use USG Ultracal 30 Gypsum Cement. Easy application for concrete floor patch repair on many different types of roof decks like gypsum roof decks. ASTM D3273 - Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber 9. Additional requirement of whiteness has been prescribed for production of white cement. Link to Active (This link will always route to the current Active version of the standard. Specifications; Sized Natural Gypsum Stone (CaSO4•2H2O.) 0000006215 00000 n Manufacturers of Gypsum Cement Underlayment Browse companies that make Gypsum Cement Underlayment and view and download their free cad details, revit BIM files, specifications and other content relating to Gypsum Cement Underlayment as well as other product information formated for the architectural community. 0000004398 00000 n Bentur (1976) reported that increasing gypsum content resulted in the acceleration of C 3 S reactions. It provides extremely low expansion properties, gradual set and a long period of plasticity. Gypsum is often added to Portland cement to prevent early hardening or “flash setting”, allowing a longer working time. 0000009180 00000 n x�b```b``���������ˀ ��@���q�=����A����ʼ�VYq �S�Jc``?��v��գ/u�q'��}���z�eZ����#�v�U� �;��3Z������8:��™0�´ D���@,v�� �3'�c�r�8�n���w2t0�3a�`8˨� �m@���W~�`�adL`hd��� Put under calcination (120-160 ºC), it releases part of the crystal water, A 1.5-inch slab of gypsum concrete weighs 13 pounds per square foot versus 18 pounds per square foot for regular concrete. Properties of cement covered by API specifications. USG Ultracal® Brand 30 Gypsum Cement is designed for the patternmaking industry as the ultimate gypsum cement tooling medium. Mill-formulated and composed of specially calcined gypsum and wood chips or shavings. Durock® Brand Cement Board with EdgeGuard™ offers architects, builders and tile contractors a strong, water-durable tile backerboard for floors, walls, countertops, tub, shower areas and exterior finish systems. TECHNICAL DATA SHEET NATURAL GYPSUM UNE 102031/ 82 Raw materials and description: The natural gypsum stone is a mineral formed by di-hidrated calcium sulphate. Section 04 - Construction Volume 04.01, January 2005 Cement; Lime; Gypsum C0005-03 Specification for Quicklime for Structural Purposes C0011-05 Terminology Relating to Gypsum and Related Building Materials and Systems C0022_C0022M-00 Specification for Gypsum C0025-99 Test Methods for Chemical Analysis of … 0000002468 00000 n 1. <<6228455036C9734D9DEEB7A60E164A35>]>> $! Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard. Two classes, based on the compressive strength and density, are covered. When cement is mixed with water, it becomes hard over a period of time. Here we give you brief comparison of Cement Plaster vs Gypsum Plaster: 01. cement industry, gypsum of 70 to 75 percent purity has been prescribed in place of 80 to 85 percent in view of the fast depleting reserves of good quality gypsum in the country. Gypsum is a mineral and is hydrated calcium sulphate in chemical form. Chemical properties and physical requirements are summarized in Tables 3 and Table 4, respectively. 0000005284 00000 n %%EOF Gypsum plastering is also a faster application method for internal surfaces, since it does not require time consuming water curing process. Available in MSR and HSR grades. 1.1 This specification covers mill-mixed gypsum concrete, consisting essentially of calcined gypsum and suitable aggregate, requiring the addition of water only at the job site. 2. The specifier needs to edit these guide specifications to fit the needs of each specific project. 0 Combining values from the two systems may result in nonconformance with the standard. 2H 2 O. The sand and cement are mixed at the site in different ratios. Red Top® Brand Keenes Cement is the ultimate choice for texturing. Gypsum. Specifications. Specification in the application of Gypsum Plaster You should ensure that the surface to be applied on is not only clean and dry but must be firm and dust free. Potential Markets for FGD Gypsum –Agriculture Use of FGD Gypsum in agriculture is Specifications: CaSO 4, 2H 2 0: …– It is used to manufacture Gypsum boards. 04 30 16 - Cement Board Masonry Veneer >PDF : 06 16 43 - Gypsum Sheathing >PDF DOC : 07 50 00 - Roof Board ... NATIONAL GYPSUM | 704.365.7300 | TECHNICAL INFORMATION 1-800-NATIONAL 3. This specification covers mill-mixed gypsum concrete, consisting essentially of calcined gypsum and suitable aggregate, requiring the addition of water only at the job site. This is called setting of cement. Gypsum plaster applied to the interior side of exterior walls of masonry or concrete shall be isolated from the exterior wall. ASTM C 1658 - Standard Specification for Glass Mat Gypsum Panels 13. Red Top® Brand Keenes Cement: Is retemperable; can be floated for an extended time period to provide a dense finish Standard References. Related Products Typical physical requirements of the various API classes of cement are shown in Table 5. It has an exceptionally hard, durable surface that can withstand prolonged exposure to moisture. For example, ASTM C926-20b: Standard Specification for Application of Portland Cement-Based Plaster covers guidelines for the application of full thickness portland cement-based plaster or stucco for exterior and interior work. Gypsum plastering is an environmental friendly alternative to traditional sand-cement application for internal plastering surfaces. The documents listed below are referenced within the subject standard but are not provided as part of the standard. Use it as an underlayment or backing surface in a variety of interior This specification covers mill-mixed gypsum concrete, consisting essentially of calcined gypsum and suitable aggregate, requiring the addition of water only at the job site. Nowadays it … Purity : 90%; Size: As per customers requirements Lime. 0000009340 00000 n In its crystalline structure there are two water molecules by one of calcium sulphate. Gypsum concrete is intended for use in the construction of poured-in-place roof decks or slabs. endstream endobj 927 0 obj<>/Size 910/Type/XRef>>stream The Gypsum is sourced from reputable miners in the country and abroad. C11 Terminology Relating to Gypsum and Related Building Materials and Systems, C28/C28M Specification for Gypsum Plasters, C35 Specification for Inorganic Aggregates for Use in Gypsum Plaster, C472 Test Methods for Physical Testing of Gypsum, Gypsum Plasters and Gypsum Concrete, ICS Number Code 91.100.10 (Cement. ASTM C1629 - Standard Classification for Abuse-Resistant Nondecorated Interior Gypsum Panel Products and Fiber-Reinforced Cement Panels 8. It is mainly used for regulating the setting time of cement and is an indispensable component. Test method in this specification shall be performed in order to determine the physical properties of the gypsum concrete. We offer gypsum in lumps and grinded as per the requirement. When mixed with lime, its highly calcined, "dead-burned" white gypsum plaster produces durable, highly crack-resistant, smooth- and sand-float finishes. 0000010308 00000 n At 3 and 7 days, a maximum compressive strength was achieved for mixes containing 2% gypsum. ... Sharjah cement factory well cements are manufactured to API specification 10A. %PDF-1.5 %���� 910 19 Mortar), UNSPSC Code 30111500(Concrete and mortars); 11111601(Gypsum), ASTM C317 / C317M-00(2019), Standard Specification for Gypsum Concrete, ASTM International, West Conshohocken, PA, 2019, www.astm.org. ASTM C 1629 - Standard Classification for Abuse Resistant Nondecorated Interior Gypsum Panel Products and Fiber reinforced Cement Panels 12. Even though gypsum weighs less, it still can have the same compressive strength as concrete. The business has grown tremendously in the last ten years, and today we are one of the leaders in cement and gypsum trading throughout the entire UAE. 1.2 The values stated in either inch-pound units or SI (metric) are to be regarded separately as the standard. – It is used in manufacturing lime and in cement … startxref Gypsum slows down the setting of cement so that cement is adequately hardened. 0000000016 00000 n Gypsum, Micro Mix, Water Soluble Fertilizer, Di Ammonium …. 928 0 obj<>stream @���=��d`����~o�d�>���f� )CP Abstract This specification covers the minimum requirements for full-thickness interior gypsum plastering on gypsum, metal, masonry, or monolithic concrete bases designed or prepared to receive gypsum plaster. Two classes, based on the compressive strength and density, are covered. xref This product is intended for use as a basic well cement. This abstract is a brief summary of the referenced standard. 0000009727 00000 n Gypsum concrete shall consist of calcined gypsum to which are added aggregates, wood chips, or wood shavings in proportion to meet the applicable requirements of this specification. 0000007204 00000 n Gypsum concrete is intended for use in the construction of poured-in-place roof decks or slabs. The sand cement plaster is a homogeneous mixture of Portland cement and sand with water. C1629 - Standard Specification for Abuse-Resistant Nondecorated Interior Gypsum Panel Products and Fiber-reinforced Cement Panels Sheetrock® Brand AR Firecode® X Panels Sheetrock® Brand Mold Tough® AR Firecode® X Panels Sheetrock® Brand Glass-Mat Panels Mold Tough® AR Firecode® X 1.2 The values stated in either inch-pound units or SI units are to be regarded separately as standard. 0000001217 00000 n Why Gypsum is added to Cement? Visit Copyright Clearance Center, Historical Version(s) - view previous versions of standard, More C11.01 Standards 0000001339 00000 n 0000008203 00000 n Saad Gypsum and Cement Products was established in 2002. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. Products and Services / Standards & Publications / Standards Products, Active Standard ASTM C317 / C317M | Developed by Subcommittee: C11.01, Permissions to reprint documents can be acquired throughCopyright Clearance Center   The documents found here are in Adobe PDF format which requires Acrobat Reader. 2. Within the text, the SI units are shown in brackets. x���A 0ð4XF{\Gc���������z�C. It does not define a unit of work or assign responsibility for contractual purposes. Gypsum plays a very important role in controlling the rate of hardening of the cement, so its is generally termed as retarding agent of cement. C 473, Test Methods for Physical Testing of Gypsum Panel Products. C 1325, Specification for Fiber-Mat Reinforced Non-Asbestos Cement Interior Substrate Sheets. Gypsum concrete is intended for use in the construction of poured-in-place roof decks or slabs. Durock® Brand Cement Board with EdgeGuard™ offers enhanced, proprietary edge performance, preventing spinout and crumbling. ASTM C 1396 - Standard Specification for Gypsum Board 11. 10. Gypsum –Cement Although several new cement kilns are planned for North America, use in cement (as a set retardant and grinding aid) will not significantly increase FGD Gypsum use. C 1002, Specification for Steel Drill screws for the Application of Gypsum Panel Products or Metal Plaster Bases. 0000000689 00000 n Sand Cement Plaster. 0000001667 00000 n The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. CEMENT BOARD Technical Information: 800-NATIONAL 800-628-4662 Description PermaBase® brand Cement Board is a rigid substrate made of Portland cement, aggregate and glass mesh. 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Guide specifications to fit the needs of each specific project been prescribed for production of white cement referenced.! Contractual purposes 1325, Specification for Steel Drill screws for the walls and 8mm for ceilings decks... ; Sized Natural gypsum Stone ( CaSO4•2H2O. Test Methods for physical Testing gypsum! Give you brief comparison of cement plaster is a brief summary of the main mineral components in …... Not provided as part of the standard and Table 4, 2H 2 O and grinded as per requirement! For regulating the setting of cement so that cement is adequately hardened values. Lime and in cement hydration is tricalcium silicate ( C 3 S ) to traditional application. Mat gypsum Panels 13 foot for regular concrete the acceleration of C 3 S reactions cement! ) CP endstream endobj 927 0 obj < > /Size 910/Type/XRef > > stream 0ð4XF.
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