{"id":2341,"date":"2026-01-16T08:46:00","date_gmt":"2026-01-16T08:46:00","guid":{"rendered":"https:\/\/huilicoating.com\/?post_type=product&p=2341"},"modified":"2026-04-16T06:12:36","modified_gmt":"2026-04-16T06:12:36","slug":"epoxy-coal-tar-bitumen-anti-corrosion-coating-plhl52-4","status":"publish","type":"product","link":"https:\/\/huilicoating.com\/fr\/product\/epoxy-coal-tar-bitumen-anti-corrosion-coating-plhl52-4\/","title":{"rendered":"Rev\u00eatement anti-corrosion \u00e0 base de bitume de goudron de houille \u00e9poxy PLHL52-4"},"content":{"rendered":"
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Overview<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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PLHL52-4 Epoxy Coal Tar Bitumen Anti-Corrosion Coating is a two-component epoxy coal tar bitumen anti-corrosion coating supplied as primer and topcoat. This coating is used for long-term anti-corrosion on external surfaces of buried pipelines, bottom plates of liquid storage tanks, and steel or concrete in submerged or wet-dry alternating environments.\u200b<\/span><\/p>\n

It is composed of epoxy resin, coal tar pitch, anti-rust pigments, fillers, solvent, and additives, with a modified amine curing agent, and is supplied as Part A and Part B.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Key Benefits<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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    Supplied as primer and topcoat.<\/p>\n<\/li>\n

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    Designed for long-term anti-corrosion.<\/p>\n<\/li>\n

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    Suitable for external surfaces of buried pipelines.<\/p>\n<\/li>\n

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    Suitable for bottom plates of liquid storage tanks.<\/p>\n<\/li>\n

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    Suitable for steel and concrete in submerged environments.<\/p>\n<\/li>\n

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    Suitable for steel and concrete in wet-dry alternating environments.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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    Recommended Uses<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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    This coating is suitable for a wide range of steel and concrete protection projects in industrial and buried service environments.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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    Typical application areas<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      External surfaces of buried pipelines<\/p>\n<\/li>\n

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      Bottom plates of liquid storage tanks<\/p>\n<\/li>\n

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      Steel in submerged environments<\/p>\n<\/li>\n

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      Concrete in submerged environments<\/p>\n<\/li>\n

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      Steel in wet-dry alternating environments<\/p>\n<\/li>\n

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      Concrete in wet-dry alternating environments<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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      Application Guide<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      Item<\/th>\nData<\/th>\n<\/tr>\n<\/thead>\n
      Mixing Ratio (A:B)<\/td>\n7:1<\/td>\n<\/tr>\n
      Induction Time<\/td>\n5 min<\/td>\n<\/tr>\n
      Pot Life<\/td>\n4 h<\/td>\n<\/tr>\n
      Application Methods<\/td>\nairless spray, brush, roller<\/td>\n<\/tr>\n
      Thinner \/ Cleaner<\/td>\nX-7 epoxy thinner, 2\u20138%<\/td>\n<\/tr>\n
      Recoat Interval (25\u00b0C)<\/td>\nmin 12 h; max 7 d<\/td>\n<\/tr>\n
      Recommended DFT per coat<\/td>\n50\u201380 \u00b5m (brush\/roller 35\u201350 \u00b5m)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      Surface Preparation<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      Blast to Sa 2.5 or power-tool clean to St 3; surface profile 30\u201375 \u00b5m.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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      Technical Data<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      Item<\/th>\nData<\/th>\n<\/tr>\n<\/thead>\n
      Product Type<\/td>\nTwo-component epoxy coal tar bitumen anti-corrosion coating<\/td>\n<\/tr>\n
      Appearance<\/td>\nprimer brown-black; topcoat black<\/td>\n<\/tr>\n
      Theoretical Consumption<\/td>\nPLHL52-4 0.17 kg\/m\u00b2 at 60 \u00b5m (loss not included)<\/td>\n<\/tr>\n
      Density<\/td>\nprimer 1.35 kg\/L; topcoat 1.3 kg\/L<\/td>\n<\/tr>\n
      Drying Time (25\u00b0C)<\/td>\nsurface dry 2 h; hard dry 24 h; full cure 7 d<\/td>\n<\/tr>\n
      Packaging<\/td>\nPart A 22 kg; Part B 3 kg<\/td>\n<\/tr>\n
      Shelf Life<\/td>\n12 months<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

      Storage<\/strong>
      \nstore in a dry, cool, ventilated place; keep away from fire; avoid strong sunlight; no outdoor storage.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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      System Compatibility<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      System compatibility: (high-build) epoxy coal tar bitumen primer + (high-build) epoxy coal tar bitumen topcoat.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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      Frequently Asked Questions<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      What type of product is this?<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      This product is a two-component epoxy coal tar bitumen anti-corrosion coating supplied as primer and topcoat.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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      What is this coating used for?<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      This coating is used for long-term anti-corrosion on buried pipelines, tank bottom plates, and steel or concrete in submerged or wet-dry alternating environments.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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      Can this coating be used on concrete?<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      Yes. This coating is used on steel and concrete in submerged or wet-dry alternating environments.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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      What application methods can be used?<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      This coating can be applied by airless spray, brush, or roller.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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