{"id":5250,"date":"2024-11-22T07:53:19","date_gmt":"2024-11-22T07:53:19","guid":{"rendered":"https:\/\/ldcellulose.com\/?p=5250"},"modified":"2024-11-26T03:32:55","modified_gmt":"2024-11-26T03:32:55","slug":"hpmc-complete-technical-guide-applications","status":"publish","type":"post","link":"https:\/\/ldcellulose.com\/en\/hpmc-complete-technical-guide-applications\/","title":{"rendered":"HPMC: Complete Technical Guide & Applications"},"content":{"rendered":"\t\t
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HPMC: Complete Technical Guide & Applications<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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HPMC (Hydroxypropyl Methylcellulose): Technical Specifications & Industry Applications Guide [2024]<\/h1>\n\n
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Technical Specifications at a Glance:<\/h4>\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification Range<\/th>\nIndustry Standard<\/th>\n<\/tr>\n
Viscosity Range<\/td>\n10-200,000 mPa\u00b7s<\/td>\nUSP\/EP\/JP<\/td>\n<\/tr>\n
Methoxyl Content<\/td>\n19-30%<\/td>\nASTM D3876<\/td>\n<\/tr>\n
Hydroxypropyl Content<\/td>\n7-12%<\/td>\nUSP Method<\/td>\n<\/tr>\n
Particle Size Distribution<\/td>\n95% < 100 mesh<\/td>\nASTM D1921<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

LANDERCOLL HPMC: Technical Grades & Specifications<\/h2>\n
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Construction Grade Specifications<\/h3>\n\n\n\n\n\n\n
Product Series<\/th>\nViscosity (mPa\u00b7s)<\/th>\nApplication<\/th>\nRecommended Dosage<\/th>\n<\/tr>\n
LANDERCOLL TA-15<\/td>\n15,000-20,000<\/td>\nTile Adhesives<\/td>\n0.2-0.5%<\/td>\n<\/tr>\n
LANDERCOLL GM-30<\/td>\n30,000-40,000<\/td>\nGypsum Mortar<\/td>\n0.1-0.3%<\/td>\n<\/tr>\n
LANDERCOLL WP-50<\/td>\n45,000-55,000<\/td>\nWall Putty<\/td>\n0.2-0.4%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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Optimal Mixing Ratios:<\/h4>\n
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  • Tile Adhesive:<\/strong>\n
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    • LANDERCOLL TA-15: 0.3%<\/li>\n \t
    • Cement: 25%<\/li>\n \t
    • Sand: 74.7%<\/li>\n<\/ul>\n<\/li>\n \t
    • Wall Putty:<\/strong>\n
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      • LANDERCOLL WP-50: 0.3%<\/li>\n \t
      • Calcium Carbonate: 60%<\/li>\n \t
      • White Cement: 39.7%<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n

        Application-Specific Performance Data<\/h2>\n
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        Construction Applications<\/h3>\n\n\n\n\n\n\n
        Property<\/th>\nTest Method<\/th>\nLANDERCOLL Result<\/th>\nIndustry Standard<\/th>\n<\/tr>\n
        Water Retention<\/td>\nDIN 18555-7<\/td>\n>95%<\/td>\n>90%<\/td>\n<\/tr>\n
        Open Time<\/td>\nEN 1346<\/td>\n>30 min<\/td>\n>20 min<\/td>\n<\/tr>\n
        Slip Resistance<\/td>\nEN 1308<\/td>\n<0.5mm<\/td>\n<1.0mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        Pharmaceutical Grade Specifications<\/h3>\n
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        Parameter<\/th>\nLANDERCOLL PC Series<\/th>\nTest Method<\/th>\n<\/tr>\n
        Heavy Metals<\/td>\n< 20 ppm<\/td>\nUSP <231><\/td>\n<\/tr>\n
        Residual Solvents<\/td>\nMeets ICH Q3C<\/td>\nUSP <467><\/td>\n<\/tr>\n
        Microbial Limits<\/td>\n< 1000 CFU\/g<\/td>\nUSP <61><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n

        Step-by-Step Application Guides<\/h2>\n
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        Tile Adhesive Preparation Guide<\/h3>\n
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        1. Pre-mixing:<\/strong>\n
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          • Water temperature: 20-25\u00b0C<\/li>\n \t
          • LANDERCOLL dosage: 0.3% of dry mix<\/li>\n<\/ul>\n<\/li>\n \t
          • Mixing Process:<\/strong>\n
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            • Add LANDERCOLL to water<\/li>\n \t
            • Mix for 2-3 minutes<\/li>\n \t
            • Add cement and aggregates<\/li>\n \t
            • Final mixing: 3-5 minutes<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div>\n

              Troubleshooting Guide<\/h2>\n
              Poor Water Retention<\/summary>\n
              \n\nPossible Causes:<\/strong>\n
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              • Insufficient HPMC dosage<\/li>\n \t
              • Incorrect mixing sequence<\/li>\n \t
              • High temperature conditions<\/li>\n<\/ul>\nSolutions:<\/strong>\n
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                • Increase LANDERCOLL dosage by 0.05%<\/li>\n \t
                • Follow recommended mixing procedure<\/li>\n \t
                • Use cold water in hot conditions<\/li>\n<\/ul>\n<\/div>\n<\/details>\n\n<\/div>\n\n