{"id":99,"date":"2025-12-19T16:52:52","date_gmt":"2025-12-19T16:52:52","guid":{"rendered":"https:\/\/qasralmas.ae\/?p=99"},"modified":"2025-12-19T16:53:59","modified_gmt":"2025-12-19T16:53:59","slug":"gypsum-powder","status":"publish","type":"post","link":"https:\/\/qasralmas.ae\/?p=99","title":{"rendered":"Gypsum Powder"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>Calcined Gypsum &amp; Gypsum Powder (Mesh 100 &amp; 200) \u2013 Industrial &amp; Market Overview<\/strong><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Introduction to Calcined Gypsum<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Calcined gypsum<\/strong>, also known as <strong>gypsum powder or plaster of Paris<\/strong>, is produced by heating natural gypsum stone (CaSO\u2084\u00b72H\u2082O) at controlled temperatures to partially remove chemically bound water. This process converts raw gypsum into <strong>calcium sulfate hemihydrate (CaSO\u2084\u00b7\u00bdH\u2082O)<\/strong>, a highly reactive and versatile construction and industrial material.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Calcined gypsum in <strong>Mesh 100 and Mesh 200<\/strong> is widely used due to its <strong>fine particle size, controlled setting behavior, and excellent workability<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Production Process of Gypsum Powder<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Selection of high-purity raw gypsum stone<\/li>\n\n\n\n<li>Crushing and pre-sizing<\/li>\n\n\n\n<li>Calcination at controlled temperature (\u2248120\u2013180\u00b0C)<\/li>\n\n\n\n<li>Grinding and classification to Mesh 100 or Mesh 200<\/li>\n\n\n\n<li>Quality control and packaging<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Proper temperature control during calcination is critical, as it directly affects <strong>setting time, strength, and consistency<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Mesh Sizes &amp; Technical Characteristics<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Mesh Size<\/th><th>Particle Size<\/th><th>Typical Applications<\/th><\/tr><\/thead><tbody><tr><td><strong>Mesh 100<\/strong><\/td><td>Medium fine<\/td><td>Construction plaster, drywall compounds, general molding<\/td><\/tr><tr><td><strong>Mesh 200<\/strong><\/td><td>Extra fine<\/td><td>Decorative works, precision molds, sculptures, smooth finishes<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Finer mesh provides <strong>smoother surface finish and higher reactivity<\/strong>, while coarser mesh offers <strong>better handling and controlled setting<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Chemical Composition &amp; Standard Analysis<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Typical Chemical Analysis (According to International Standards)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Component<\/th><th>Typical Range (%)<\/th><\/tr><\/thead><tbody><tr><td>Calcium Sulfate Hemihydrate (CaSO\u2084\u00b7\u00bdH\u2082O)<\/td><td>85 \u2013 95<\/td><\/tr><tr><td>Purity (CaSO\u2084 basis)<\/td><td>\u2265 90<\/td><\/tr><tr><td>Whiteness<\/td><td>\u2265 90<\/td><\/tr><tr><td>Free Moisture<\/td><td>\u2264 1<\/td><\/tr><tr><td>Insoluble Residue<\/td><td>\u2264 2<\/td><\/tr><tr><td>Setting Time (Initial)<\/td><td>Controlled as per application<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">All analyses are typically performed using <strong>XRF, sieve analysis, and setting-time tests<\/strong>, in compliance with <strong>ASTM, EN, and ISO standards<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Key Performance Properties<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Calcined gypsum powder is valued for:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 Fast and controllable setting time<br>\u2714 Smooth and uniform texture<br>\u2714 High whiteness and brightness<br>\u2714 Excellent adhesion and workability<br>\u2714 Compatibility with additives and modifiers<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These properties make it suitable for <strong>both industrial-scale manufacturing and precision decorative work<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Main Industrial &amp; Commercial Applications<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Construction &amp; Building Materials<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Interior plastering<\/li>\n\n\n\n<li>Wall finishing compounds<\/li>\n\n\n\n<li>False ceilings<\/li>\n\n\n\n<li>Prefabricated building elements<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Drywall &amp; Gypsum Board Industry (Knauf-type Systems)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Core material for gypsum boards<\/li>\n\n\n\n<li>Joint compounds and fillers<\/li>\n\n\n\n<li>Lightweight partition systems<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Mold Making &amp; Casting<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ceramic and sanitary ware molds<\/li>\n\n\n\n<li>Architectural decorative molds<\/li>\n\n\n\n<li>Industrial pattern making<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Art, Sculpture &amp; Decoration<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sculptures and statues<\/li>\n\n\n\n<li>Interior decorative elements<\/li>\n\n\n\n<li>Art casting and restoration works<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Specialty &amp; Industrial Uses<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chemical additives<\/li>\n\n\n\n<li>Fire-resistant materials<\/li>\n\n\n\n<li>Insulation and acoustic systems<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Global Market Demand &amp; Key Importing Countries<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Calcined gypsum and gypsum powder have strong demand in regions with <strong>active construction and interior finishing industries<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Major Import Markets Include:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>UAE<\/strong> \u2013 drywall, construction, prefab systems<\/li>\n\n\n\n<li><strong>Qatar &amp; Saudi Arabia<\/strong> \u2013 mega construction projects<\/li>\n\n\n\n<li><strong>Oman &amp; Kuwait<\/strong> \u2013 interior finishing and housing<\/li>\n\n\n\n<li><strong>India<\/strong> \u2013 molds, ceramics, and construction<\/li>\n\n\n\n<li><strong>China<\/strong> \u2013 industrial molds and decorative products<\/li>\n\n\n\n<li><strong>African countries<\/strong> \u2013 affordable housing and infrastructure<\/li>\n\n\n\n<li><strong>Central Asia &amp; CIS countries<\/strong> \u2013 construction and renovation markets<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Consistent quality, reliable supply, and competitive logistics are key success factors in these markets.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Packaging &amp; Supply Options<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bulk supply for factories<\/li>\n\n\n\n<li>Custom bags (25 kg, 40 kg, jumbo bags)<\/li>\n\n\n\n<li>Palletized or loose loading<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Packaging is adapted based on <strong>customer application, transport mode, and destination market<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Key Factors for Industrial Buyers<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Industrial customers evaluate gypsum powder based on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chemical purity and whiteness<\/li>\n\n\n\n<li>Mesh consistency<\/li>\n\n\n\n<li>Setting time control<\/li>\n\n\n\n<li>Packaging flexibility<\/li>\n\n\n\n<li>Supply continuity<\/li>\n\n\n\n<li>Compliance with international standards<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Reliable suppliers must offer <strong>technical documentation, stable quality, and scalable production capacity<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Marketing Advantages of High-Quality Gypsum Powder<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">High-grade calcined gypsum provides:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 Reduced waste in production<br>\u2714 Improved product consistency<br>\u2714 Better surface finish<br>\u2714 Lower rejection rates<br>\u2714 Higher customer satisfaction<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These factors directly impact <strong>cost efficiency and brand reputation<\/strong> for manufacturers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Calcined gypsum and gypsum powder in <strong>Mesh 100 and 200<\/strong> are essential materials for construction, drywall systems, mold making, and decorative industries. High purity, controlled calcination, and precise particle sizing are critical for performance, while strong demand across regional and global markets makes this product a key industrial commodity.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Calcined Gypsum &amp; Gypsum Powder (Mesh 100 &amp; 200) \u2013 Industrial &amp; Market Overview Introduction [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":100,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[21,23,24,22,19,20],"class_list":["post-99","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-calcined-gypsum","tag-gypsum-for-drywall","tag-gypsum-for-mold-making","tag-gypsum-powder-mesh-100","tag-gypsum-powder-mesh-200","tag-plaster-of-paris"],"_links":{"self":[{"href":"https:\/\/qasralmas.ae\/index.php?rest_route=\/wp\/v2\/posts\/99","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qasralmas.ae\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qasralmas.ae\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qasralmas.ae\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qasralmas.ae\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=99"}],"version-history":[{"count":1,"href":"https:\/\/qasralmas.ae\/index.php?rest_route=\/wp\/v2\/posts\/99\/revisions"}],"predecessor-version":[{"id":101,"href":"https:\/\/qasralmas.ae\/index.php?rest_route=\/wp\/v2\/posts\/99\/revisions\/101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qasralmas.ae\/index.php?rest_route=\/wp\/v2\/media\/100"}],"wp:attachment":[{"href":"https:\/\/qasralmas.ae\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=99"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qasralmas.ae\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=99"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qasralmas.ae\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=99"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}