{"id":590,"date":"2026-06-19T00:33:54","date_gmt":"2026-06-19T00:33:54","guid":{"rendered":"https:\/\/kdrefree.com\/?post_type=product&#038;p=590"},"modified":"2026-06-19T00:33:56","modified_gmt":"2026-06-19T00:33:56","slug":"%eb%b8%94%eb%9d%bc%ec%9d%b4%ea%b3%a8%eb%93%9c-%eb%b0%a9%eb%b6%80%ec%8b%9d-%ec%bd%94%ed%8c%85blygold","status":"publish","type":"product","link":"https:\/\/kdrefree.com\/en\/product\/%eb%b8%94%eb%9d%bc%ec%9d%b4%ea%b3%a8%eb%93%9c-%eb%b0%a9%eb%b6%80%ec%8b%9d-%ec%bd%94%ed%8c%85blygold\/","title":{"rendered":"Blygold Anti-Corrosion Coating"},"content":{"rendered":"<ul class=\"wp-block-list\">\n<li>Polyurethane coating with aluminum microparticles enhances heat transfer efficiency, provides UV protection, and offers excellent flexibility and adhesion.<\/li>\n\n\n\n<li>High resistance to external contaminants protects the heat exchanger.<\/li>\n\n\n\n<li>Protects the heat exchanger from salt corrosion and corrosive gases such as SO\u2082, NO\u2082, and ammonia.<\/li>\n\n\n\n<li>Prevents galvanic corrosion by coating the contact surfaces between the aluminum fins and copper tubes.<\/li>\n\n\n\n<li>HVHP (High Volume High Pressure) spray coating ensures 100% coating coverage, including the interior of the heat exchanger.<\/li>\n\n\n\n<li>Thin coating thickness (25\u201330 \u03bcm) minimizes pressure drop across the heat exchanger.<\/li>\n\n\n\n<li>No reduction in heat transfer efficiency after coating (within \u00b12%), eliminating the need to increase the heat exchanger size in the original design.<\/li>\n\n\n\n<li>PolyAl XT coating protects the heat exchanger from corrosive environments while maintaining its original performance and efficiency over the long term. Performance testing by BSRIA (Building Services Research and Information Association, UK) confirmed a 1.9% improvement in heat exchanger performance compared to the uncoated condition.<\/li>\n\n\n\n<li>For coating inquiries, please contact the Sales Department of Kyungdong Industrial Co., Ltd.\nTel: +82-31-946-0922 (Ext. 201)<\/li>\n<\/ul>","protected":false},"featured_media":593,"template":"","meta":{"_acf_changed":true},"product-category":[9,10],"class_list":["post-590","product","type-product","status-publish","has-post-thumbnail","hentry","product-category-9","product-category-10"],"acf":[],"_links":{"self":[{"href":"https:\/\/kdrefree.com\/en\/wp-json\/wp\/v2\/product\/590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kdrefree.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/kdrefree.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kdrefree.com\/en\/wp-json\/wp\/v2\/media\/593"}],"wp:attachment":[{"href":"https:\/\/kdrefree.com\/en\/wp-json\/wp\/v2\/media?parent=590"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/kdrefree.com\/en\/wp-json\/wp\/v2\/product-category?post=590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}