{"id":129,"date":"2026-09-15T17:15:16","date_gmt":"2026-09-15T13:45:16","guid":{"rendered":"https:\/\/petrozal.com\/products\/caustic-soda-flakes\/"},"modified":"2026-09-15T17:15:16","modified_gmt":"2026-09-15T13:45:16","slug":"caustic-soda-flakes","status":"publish","type":"pz_product","link":"https:\/\/petrozal.com\/en\/products\/caustic-soda-flakes\/","title":{"rendered":"Caustic Soda Flakes"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Caustic soda (also known as sodium hydroxide, lye or NaOH) is a solid white product supplied as flakes. It is a highly caustic base and alkali, and in contact with the skin it can cause severe burns. It is a versatile product used in a wide variety of processes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sodium hydroxide is used in many industries: in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents, and as a drain cleaner. It is one of the most widely used chemicals in the world.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Main caustic soda applications<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Aluminium production<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Used to dissolve bauxite ore, the raw material for aluminium production, in the Bayer process.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Soap and detergent<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Used in saponification, the chemical process that converts fats and vegetable oils into soap, and to manufacture anionic surfactants, a crucial component in most detergents and cleaning products.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Textiles<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Used to process cotton and dye synthetic fibers such as nylon and polyester.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pulp and paper<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The largest application for caustic soda worldwide, including pulping and bleaching processes, deinking of waste paper and water treatment.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Water treatment and food<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Used to raise the pH of water supplies and reduce corrosion, and in food processing such as peeling fruits and vegetables, cocoa processing and caramel coloring production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We at Petrozal are glad to receive your inquiries about caustic soda flakes from different industries.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sodium hydroxide flakes, a strong and widely used alkali for aluminium, detergent, textile, paper and water treatment industries.<\/p>\n","protected":false},"featured_media":278,"menu_order":1,"template":"","pz_product_cat":[21],"class_list":["post-129","pz_product","type-pz_product","status-publish","has-post-thumbnail","hentry","pz_product_cat-chemicals-en"],"_links":{"self":[{"href":"https:\/\/petrozal.com\/en\/wp-json\/wp\/v2\/pz_product\/129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/petrozal.com\/en\/wp-json\/wp\/v2\/pz_product"}],"about":[{"href":"https:\/\/petrozal.com\/en\/wp-json\/wp\/v2\/types\/pz_product"}],"version-history":[{"count":0,"href":"https:\/\/petrozal.com\/en\/wp-json\/wp\/v2\/pz_product\/129\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/petrozal.com\/en\/wp-json\/wp\/v2\/media\/278"}],"wp:attachment":[{"href":"https:\/\/petrozal.com\/en\/wp-json\/wp\/v2\/media?parent=129"}],"wp:term":[{"taxonomy":"pz_product_cat","embeddable":true,"href":"https:\/\/petrozal.com\/en\/wp-json\/wp\/v2\/pz_product_cat?post=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}