{"id":6802,"date":"2026-08-13T16:27:02","date_gmt":"2026-08-13T08:27:02","guid":{"rendered":"https:\/\/www.huameicarbon.com\/?p=6802"},"modified":"2026-08-13T16:32:46","modified_gmt":"2026-08-13T08:32:46","slug":"water-treatment-activated-carbon-norit-grade-factory-price","status":"publish","type":"post","link":"https:\/\/www.huameicarbon.com\/fr\/water-treatment-activated-carbon-norit-grade-factory-price\/","title":{"rendered":"Water Treatment Carbon: Norit-Grade Specs, Factory Price"},"content":{"rendered":"

If you're running Norit GAC 1240 or Calgon Filtrasorb 400 in your water treatment system, you already know the product works. The question isn't performance \u2014 it's whether you need to pay distributor markup for essentially the same activated carbon.<\/p>\n

This page breaks down what \"Norit-grade\" actually means in measurable specs, shows you what a direct-from-factory equivalent looks like, and helps you decide whether switching makes sense for your operation.<\/p>\n

What Makes a Carbon \"Norit-Grade\" for Water Treatment<\/h2>\n

Norit (now Cabot) built its reputation on consistent quality for municipal and industrial water treatment. Their flagship grades \u2014 GAC 1240 and GAC 830W \u2014 are referenced in thousands of water plant specifications worldwide. But \"Norit-grade\" isn't magic. It's a specific set of measurable parameters:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Param\u00e8tres<\/th>\nNorit GAC 1240 (typical)<\/th>\nWhat it means for traitement de l'eau<\/a><\/th>\n<\/tr>\n
Indice d'iode<\/td>\n~1050 mg\/g<\/td>\nGeneral adsorption capacity<\/td>\n<\/tr>\n
CTC activity<\/td>\n~60%<\/td>\nCorrelates with COV<\/a>\/chlorine removal<\/td>\n<\/tr>\n
Apparent density<\/td>\n0.48 g\/mL<\/td>\nBed weight per unit volume<\/td>\n<\/tr>\n
Humidit\u00e9<\/td>\n\u22645%<\/td>\nShipping weight accuracy<\/td>\n<\/tr>\n
Cendre<\/td>\n\u22643%<\/td>\nLow mineral leaching<\/td>\n<\/tr>\n
Duret\u00e9<\/td>\n\u226597%<\/td>\nResists breakage during backwash<\/td>\n<\/tr>\n
Taille des mailles<\/td>\n8\u00d730 or 12\u00d740<\/td>\nFlow rate vs. contact time balance<\/td>\n<\/tr>\n
Raw material<\/td>\nCoconut shell<\/td>\nMicropore-dominant, excellent for chlorine\/taste\/odor<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Any carbon that hits these numbers will perform identically in a water treatment filter \u2014 regardless of what name is printed on the bag. The activated carbon doesn't know what brand it is.<\/p>\n

Why Water Plants Specify Norit (And Why It Might Not Matter Anymore)<\/h2>\n

Historical reasons:<\/strong><\/p>\n

    \n
  • Norit was first to market with consistent coconut shell GAC for water treatment in the 1990s<\/li>\n
  • Municipal engineers wrote Norit product codes directly into plant specifications<\/li>\n
  • Distributors built long-term supply contracts around the brand<\/li>\n<\/ul>\n

    What's changed:<\/strong><\/p>\n

      \n
    • Multiple manufacturers now produce coconut shell GAC at the same spec level<\/li>\n
    • ASTM testing methods are standardized \u2014 iodine, hardness, CTC are all comparable across suppliers<\/li>\n
    • Chinese coconut shell carbon factories have caught up on quality control (ISO, batch-level COA, SGS verification)<\/li>\n
    • Price gap has widened: Norit\/Calgon now $2,500\u20133,200\/ton CIF vs. factory-direct $1,200\u20131,600\/ton<\/li>\n<\/ul>\n

      Bottom line:<\/strong> If your plant spec says \"Norit GAC 1240 or equivalent,\" the \"or equivalent\" part is where you save 40\u201355% per ton without changing performance.<\/p>\n

      Our Specification: Coconut Shell GAC for Water Treatment<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
      Param\u00e8tres<\/th>\nSp\u00e9cifications<\/th>\nTest method<\/th>\n<\/tr>\n
      Raw material<\/td>\nCoconut shell<\/a> (steam activated)<\/td>\n\u2014<\/td>\n<\/tr>\n
      Taille des mailles<\/td>\n8\u00d730 or 12\u00d740 (customer choice)<\/td>\nASTM D2862<\/td>\n<\/tr>\n
      Indice d'iode<\/td>\n\u22651000 mg\/g<\/td>\nASTM D4607<\/td>\n<\/tr>\n
      Hardness (ball-pan)<\/td>\n\u226598%<\/td>\nASTM D3802<\/td>\n<\/tr>\n
      Humidit\u00e9<\/td>\n\u22645%<\/td>\nASTM D2867<\/td>\n<\/tr>\n
      Teneur en cendres<\/td>\n\u22643%<\/td>\nASTM D2866<\/td>\n<\/tr>\n
      Apparent density<\/td>\n0.48\u20130.52 g\/mL<\/td>\nASTM D2854<\/td>\n<\/tr>\n
      Total iron<\/td>\n\u22640.05%<\/td>\nAAS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      How this compares to Norit GAC 1240:<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
      Spec<\/th>\nNorit GAC 1240<\/th>\nHuamei equivalent<\/th>\nDifference<\/th>\n<\/tr>\n
      Iode<\/td>\n~1050 mg\/g<\/td>\n\u22651000 mg\/g (typical<\/p>\n

      1050\u20131100)<\/td>\n

      		Equivalent<\/td>\n<\/tr>\n
      Duret\u00e9<\/td>\n\u226597%<\/td>\n\u226598%<\/td>\nOurs slightly higher<\/td>\n<\/tr>\n
      CTC<\/td>\n~60%<\/td>\n\u226560%<\/td>\nEquivalent<\/td>\n<\/tr>\n
      Cendre<\/td>\n\u22643%<\/td>\n\u22643%<\/td>\nSame<\/td>\n<\/tr>\n
      Density<\/td>\n~0.48 g\/mL<\/td>\n0.48\u20130.52 g\/mL<\/td>\nSame range<\/td>\n<\/tr>\n
      Humidit\u00e9<\/td>\n\u22645%<\/td>\n\u22645%<\/td>\nSame<\/td>\n<\/tr>\n
      Price (CIF)<\/td>\n$2,500\u20133,200\/ton<\/td>\n$1,200\u20131,600\/ton<\/td>\n40\u201355% lower<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      The specs match. The performance matches. The difference is supply chain: Norit goes factory \u2192 regional warehouse \u2192 distributor \u2192 you. We go factory \u2192 you.<\/p>\n

      Applications: Where This Carbon Goes<\/h2>\n

      Municipal Drinking Water<\/h3>\n
        \n
      • Removes chlorine, taste, and odor compounds<\/li>\n
      • Adsorbs disinfection byproducts (THMs, HAAs)<\/li>\n
      • Typically 8\u00d730 mesh in gravity filters, 15\u201330 minute EBCT<\/li>\n
      • Bed life: 12\u201324 months depending on inlet water quality<\/li>\n<\/ul>\n

        Point-of-Use \/ Point-of-Entry Systems<\/h3>\n
          \n
        • Residential and commercial water filters<\/li>\n
        • 12\u00d740 mesh for smaller housings and cartridge filters<\/li>\n
        • Higher iodine number (1000+) ensures adequate capacity in smaller bed volumes<\/li>\n<\/ul>\n

          Industrial Process Water<\/h3>\n
            \n
          • Semiconductor rinse water polishing<\/li>\n
          • Pharmaceutical water pre-treatment<\/li>\n
          • Boiler feed water dechlorination<\/li>\n
          • Food & beverage process water<\/li>\n<\/ul>\n

            Wastewater Tertiary Treatment<\/h3>\n
              \n
            • Removal of residual organics after biological treatment<\/li>\n
            • Micropollutant removal (pharmaceuticals, pesticides)<\/li>\n
            • Color removal from industrial effluent<\/li>\n<\/ul>\n

              Norit vs Calgon vs Factory-Direct: Honest Comparison<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
              Factor<\/th>\nNorit (Cabot)<\/th>\nCalgon Carbon (Kuraray)<\/th>\nHuamei (Factory)<\/a><\/strong><\/th>\n<\/tr>\n
              Flagship grade<\/td>\nGAC 1240<\/td>\nFiltrasorb 400<\/td>\nCoconut 8\u00d730 WTP<\/td>\n<\/tr>\n
              Raw material<\/td>\nCoconut shell<\/td>\nBituminous coal<\/td>\nCoconut shell<\/td>\n<\/tr>\n
              Iode<\/td>\n~1050<\/td>\n~1000<\/td>\n\u22651000 (typical 1050-1100)<\/td>\n<\/tr>\n
              Duret\u00e9<\/td>\n\u226597%<\/td>\n\u226595%<\/td>\n\u226598%<\/td>\n<\/tr>\n
              Price CIF (per ton)<\/td>\n$2,500\u20133,200<\/td>\n$2,200\u20132,800<\/td>\n$1,200\u20131,600<\/td>\n<\/tr>\n
              MOQ<\/td>\n5\u201320 tons (distributor)<\/td>\n10+ tons<\/td>\n10 tons<\/td>\n<\/tr>\n
              Lead time<\/td>\n4\u20138 weeks<\/td>\n4\u20138 weeks<\/td>\n14\u201321 days<\/td>\n<\/tr>\n
              Certifications<\/td>\nNSF 61, HALAL, ISO<\/td>\nNSF 61, ISO<\/td>\nISO 9001, COA<\/p>\n

              per batch, NSF available<\/td>\n<\/tr>\n

              Custom specs<\/td>\nNo (catalog only)<\/td>\nLimited<\/td>\nYes (mesh, iodine<\/p>\n

              target, acid-wash level)<\/td>\n<\/tr>\n

              Technical support<\/td>\nApplication engineers<\/td>\nApplication engineers<\/td>\nFactory QC<\/p>\n

              engineer direct<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \"Granular<\/p>\n

              Note on Calgon Filtrasorb:<\/strong> Filtrasorb 400 is coal-based, not coconut shell. It has a broader pore distribution (more mesopores) which makes it better for NOM\/color removal but slightly less efficient for pure chlorine\/taste\/odor. For drinking water dechlorination, coconut shell typically outperforms coal-based at the same iodine number due to higher micropore volume.<\/p>\n

              When to Stay with Norit\/Calgon<\/h2>\n

              Be honest \u2014 there are valid reasons to keep using branded carbon:<\/p>\n

                \n
              • NSF 61 certification on the carbon itself<\/strong> \u2014 required by some US municipal contracts. We can supply NSF-certified product but lead time is longer for certified batches.<\/li>\n
              • Existing plant specification<\/strong> \u2014 if changing carbon requires a formal variance request and board approval, the cost savings may not justify the administrative effort for small volumes.<\/li>\n
              • Reactivation contracts<\/strong> \u2014 if your current supplier also handles spent carbon reactivation and return, switching supply without switching reactivation adds complexity.<\/li>\n
              • Zero risk tolerance<\/strong> \u2014 if your operation has no room for even a trial period, sticking with known product is understandable.<\/li>\n<\/ul>\n

                For everyone else \u2014 especially operations buying >20 tons\/year \u2014 the math is straightforward.<\/p>\n

                How to Qualify a New Carbon Source (Without Risk)<\/h2>\n

                Switching doesn't have to be all-or-nothing. Here's how water plants typically do it:<\/p>\n

                  \n
                1. Request samples<\/strong> (1\u20132 kg) \u2014 run your own lab tests against your current carbon's COA<\/li>\n
                2. Pilot column test<\/strong> \u2014 run a small side-stream column parallel to your existing system for 2\u20134 weeks<\/li>\n
                3. Compare breakthrough curves<\/strong> \u2014 if chlorine\/TOC breakthrough timing matches or exceeds your current carbon, the product qualifies<\/li>\n
                4. First order: single container<\/strong> (20 tons) \u2014 fill one filter cell while keeping others on existing carbon<\/li>\n
                5. Full transition<\/strong> \u2014 once satisfied, transition remaining cells at next scheduled carbon change-out<\/li>\n<\/ol>\n

                  This process takes 2\u20133 months from sample to full deployment. Zero downtime, zero risk to treated water quality.<\/p>\n

                  FAQ<\/h2>\n

                  Is Chinese activated carbon as good as Norit for water treatment?<\/h3>\n

                  Quality depends on the specific manufacturer and grade, not the country of origin. Chinese factories producing steam-activated coconut shell carbon at iodine 1000+, hardness 98%+, and ash \u22643% are delivering product that meets or exceeds Norit GAC 1240 specifications. The key is verifying specs through independent testing (ASTM methods) and running a pilot trial with your own water. Brand name doesn't filter water \u2014 pore structure does.<\/p>\n

                  What certifications should water treatment carbon have?<\/h3>\n

                  At minimum: ISO 9001 manufacturing certification and batch-level COA with ASTM test results. For US municipal applications, NSF\/ANSI 61 certification on the carbon product is often required by state regulations. For food\/beverage water: FDA compliance for food-contact substances. Ask your supplier for specific certifications before ordering \u2014 reputable factories maintain these or can obtain them for specific orders.<\/p>\n

                  How do I know if a factory-direct carbon will work in my system?<\/h3>\n

                  Request 1\u20132 kg samples and run a side-by-side jar test or mini-column test against your current carbon. Compare: iodine number (lab COA), chlorine breakthrough time (column test), and backwash fines generation (hardness test). If all three match or exceed your current carbon, the product will perform the same in your full-scale system. We provide free samples and testing guidance.<\/p>\n

                  What's the minimum order for factory-direct activated carbon?<\/h3>\n

                  10 tons (one 20ft container = approximately 20 tons max for GAC). For water treatment plants using >10 tons\/year, factory-direct is economically viable. For smaller volumes (<10 tons), buying through regional distributors may be more practical due to shipping economics.<\/p>\n

                  Can factory-direct carbon meet NSF 61 requirements?<\/h3>\n

                  Yes. NSF 61 certification tests the carbon product for extractables that could leach into drinking water. It's a product certification, not a factory certification. We supply NSF 61 compliant carbon \u2014 confirm this requirement at quotation stage so we ship from the certified production line.<\/p>\n

                  Get a Side-by-Side Sample<\/h2>\n

                  Send us your current carbon's COA (Norit, Calgon, Jacobi, or whoever you're using now). We'll confirm our equivalent grade matches specs and ship 1\u20132 kg samples for your own testing \u2014 free of charge, delivered in 5\u20137 days by courier.<\/p>\n

                    \n
                  • Coconut shell GAC for water treatment<\/li>\n
                  • 8\u00d730 or 12\u00d740 mesh<\/li>\n
                  • Iodine \u22651000, hardness \u226598%, ash \u22643%<\/li>\n
                  • MOQ: 1 tons | Monthly capacity: 700+ tons<\/li>\n<\/ul>\n

                     <\/p>","protected":false},"excerpt":{"rendered":"

                    Compare Norit, Calgon, and factory-direct coconut shell activated carbon for water treatment. Same specs (iodine 1000+, hardness 98%, ash \u22643%), 40\u201355% lower price. Side-by-side comparison with qualification process for switching suppliers.<\/p>","protected":false},"author":2,"featured_media":6805,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Water Treatment Carbon: Norit-Grade Specs, Factory Price","_seopress_titles_desc":"Looking for Norit-grade activated carbon for water treatment at factory-direct price? Compare specs: 8\u00d730 mesh, iodine 1000+, acid-washed. COA per batch.","_seopress_robots_index":"","footnotes":""},"categories":[1,92,25],"tags":[119,122,16,121,123,120,124],"class_list":["post-6802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-buyers-guide","category-knowledge","tag-activated-carbon-water-treatment","tag-calgon-filtrasorb-alternative","tag-coconut-shell-activated-carbon","tag-drinking-water-carbon-filter","tag-factory-direct-activated-carbon","tag-norit-gac-1240-alternative","tag-water-treatment-carbon-supplier"],"_links":{"self":[{"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/posts\/6802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/comments?post=6802"}],"version-history":[{"count":0,"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/posts\/6802\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/media\/6805"}],"wp:attachment":[{"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/media?parent=6802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/categories?post=6802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.huameicarbon.com\/fr\/wp-json\/wp\/v2\/tags?post=6802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}