{"id":1776,"date":"2026-02-01T08:56:33","date_gmt":"2026-02-01T05:26:33","guid":{"rendered":"https:\/\/ramansayyaliranian.com\/product\/plunger-lubricant\/"},"modified":"2026-02-08T14:35:36","modified_gmt":"2026-02-08T11:05:36","slug":"plunger-lubricant","status":"publish","type":"product","link":"http:\/\/ramansayyaliranian.com\/en\/product\/plunger-lubricant\/","title":{"rendered":"Plunger Lubricant"},"content":{"rendered":"<p data-start=\"115\" data-end=\"180\"><strong data-start=\"115\" data-end=\"146\">Types of Plunger Lubricants<\/strong><br data-start=\"146\" data-end=\"149\" \/>Several common types include:<\/p>\n<ul data-start=\"182\" data-end=\"736\">\n<li data-start=\"182\" data-end=\"294\">\n<p data-start=\"184\" data-end=\"294\"><strong data-start=\"184\" data-end=\"219\">Mineral or Synthetic Oil-Based:<\/strong> Neat oil or crude oil with EP (Extreme Pressure) or anti-wear additives.<\/p>\n<\/li>\n<li data-start=\"295\" data-end=\"462\">\n<p data-start=\"297\" data-end=\"462\"><strong data-start=\"297\" data-end=\"352\">Water-Based Lubricants (Water-Soluble or Emulsion):<\/strong> Water\/oil emulsions or aqueous lubricants used to reduce flames or smoke when in contact with molten metal.<\/p>\n<\/li>\n<li data-start=\"463\" data-end=\"599\">\n<p data-start=\"465\" data-end=\"599\"><strong data-start=\"465\" data-end=\"503\">Dry or Granular\/Pellet Lubricants:<\/strong> For example, wax or graphite granules, with or without graphite, used for large plunger gaps.<\/p>\n<\/li>\n<li data-start=\"600\" data-end=\"736\">\n<p data-start=\"602\" data-end=\"736\"><strong data-start=\"602\" data-end=\"642\">Graphite or Non-Graphite Lubricants:<\/strong> Adding graphite or boron nitride to improve sliding properties; may cause smoke or residue.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"738\" data-end=\"831\"><strong data-start=\"738\" data-end=\"774\">Key Points for Selection and Use<\/strong><br data-start=\"774\" data-end=\"777\" \/>To ensure optimal performance of plunger lubricants:<\/p>\n<ul data-start=\"833\" data-end=\"1563\">\n<li data-start=\"833\" data-end=\"981\">\n<p data-start=\"835\" data-end=\"981\">Uniform coverage and good adhesion to the plunger and sleeve surface, so the lubricant is not washed away or displaced when molten metal enters.<\/p>\n<\/li>\n<li data-start=\"982\" data-end=\"1067\">\n<p data-start=\"984\" data-end=\"1067\">High flash point and low smoke or particulate generation in the work environment.<\/p>\n<\/li>\n<li data-start=\"1068\" data-end=\"1186\">\n<p data-start=\"1070\" data-end=\"1186\">High lubricity with appropriate film thickness; excessive thickness may lead to contamination of the molten metal.<\/p>\n<\/li>\n<li data-start=\"1187\" data-end=\"1365\">\n<p data-start=\"1189\" data-end=\"1365\">Compatibility with the molten metal (aluminum, magnesium, zinc, etc.) and with the plunger\/sleeve surface, e.g., selecting lubricant for high plunger and sleeve temperatures.<\/p>\n<\/li>\n<li data-start=\"1366\" data-end=\"1458\">\n<p data-start=\"1368\" data-end=\"1458\">Optimal consumption: Avoid excessive use as residues may cause smoke, deposits, or fire.<\/p>\n<\/li>\n<li data-start=\"1459\" data-end=\"1563\">\n<p data-start=\"1461\" data-end=\"1563\">Correct application method: spraying, brushing, injection, or proper pellet placement in the sleeve.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Types of Plunger LubricantsSeveral common types include: Mineral or Synthetic Oil-Based: Neat oil or crude oil with EP (Extreme Pressure) or anti-wear additives. Water-Based Lubricants (Water-Soluble or Emulsion): Water\/oil emulsions or aqueous lubricants used to reduce flames or smoke when in contact with molten metal. Dry or Granular\/Pellet Lubricants: For example, wax or graphite granules, [&hellip;]<\/p>\n","protected":false},"featured_media":1777,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[91,94],"product_tag":[],"class_list":["post-1776","product","type-product","status-publish","has-post-thumbnail","product_cat-consumables-in-casting","product_cat-metal-mold-casting","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Plunger Lubricant - \u0631\u0627\u0645\u0627\u0646 \u0633\u06cc\u0627\u0644 \u0627\u06cc\u0631\u0627\u0646\u06cc\u0627\u0646<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/ramansayyaliranian.com\/en\/product\/plunger-lubricant\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Plunger Lubricant - \u0631\u0627\u0645\u0627\u0646 \u0633\u06cc\u0627\u0644 \u0627\u06cc\u0631\u0627\u0646\u06cc\u0627\u0646\" \/>\n<meta property=\"og:description\" content=\"Types of Plunger LubricantsSeveral common types include: Mineral or Synthetic Oil-Based: Neat oil or crude oil with EP (Extreme Pressure) or anti-wear additives. 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