{"product_id":"exothermic-insulating-feeding-riser-sleeve","title":"Exothermic Insulating Feeding Riser Sleeve","description":"\u003ch2\u003eExothermic Insulating Feeding Riser Sleeve (RJFM Series)\u003c\/h2\u003e\u003cp\u003eThe RJFM Series exothermic insulating feeding riser sleeve is manufactured from premium raw materials using proprietary high-temperature processes. It features \u003cstrong\u003ehigh exothermic output\u003c\/strong\u003e, \u003cstrong\u003eexcellent thermal insulation\u003c\/strong\u003e, and \u003cstrong\u003elow bulk density (0.7 g\/cc)\u003c\/strong\u003e — ensuring superior shrinkage compensation performance for steel and iron castings.\u003c\/p\u003e\u003cp\u003eSuitable for a wide range of casting grades and molding processes. After pouring, residual sleeves can be knocked off easily, significantly reducing cutting, grinding, and cleaning costs.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh exothermic output with strong insulating capability — maintains optimal feed metal temperature throughout solidification\u003c\/li\u003e\n\u003cli\u003eLow density ensures reliable shrinkage compensation during casting solidification\u003c\/li\u003e\n\u003cli\u003eCompatible with plug-in, embedded, and floating riser seat installation methods\u003c\/li\u003e\n\u003cli\u003eResidual sleeve after casting is easily removable, lowering post-processing costs\u003c\/li\u003e\n\u003cli\u003eCustom shapes and sizes available on request\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUsage Guidelines\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eCalculate the feeding modulus and required feed volume for the casting, then select the appropriate riser sleeve — ensure the effective modulus exceeds the casting modulus.\u003c\/li\u003e\n\u003cli\u003eDetermine the number and size of risers required based on the calculated feed volume.\u003c\/li\u003e\n\u003cli\u003eSelect the appropriate riser sleeve size from the specification table.\u003c\/li\u003e\n\u003cli\u003eChoose the installation method (plug-in or embedded) based on the molding process. For embedded installation, a dedicated riser mold must be fitted on the pattern plate.\u003c\/li\u003e\n\u003cli\u003eWhen using breaker cores, always select the matching breaker core specification.\u003c\/li\u003e\n\u003cli\u003eFor closed risers, ensure a vent hole is provided at the top to allow atmospheric pressure communication.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eStorage \u0026amp; Handling\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStore in a cool, dry place away from moisture and open flames\u003c\/li\u003e\n\u003cli\u003eDo not bake or apply coatings directly to the riser sleeve surface\u003c\/li\u003e\n\u003cli\u003eHandle with care during packaging, loading, and transport to prevent crushing or impact damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications (Kalminex XP Series)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eEffective Modulus (cm)\u003c\/th\u003e\n\u003cth\u003eGeometric Modulus (cm)\u003c\/th\u003e\n\u003cth\u003eD1 (mm)\u003c\/th\u003e\n\u003cth\u003eD2 (mm)\u003c\/th\u003e\n\u003cth\u003eD3 (mm)\u003c\/th\u003e\n\u003cth\u003eH1 (mm)\u003c\/th\u003e\n\u003cth\u003eH2 (mm)\u003c\/th\u003e\n\u003cth\u003eVolume (dcm³)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ2\/5\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e37.5\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e49\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ3.5\/5\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e53\u003c\/td\u003e\n\u003ctd\u003e49\u003c\/td\u003e\n\u003ctd\u003e39.5\u003c\/td\u003e\n\u003ctd\u003e49.5\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ4\/6\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e56\u003c\/td\u003e\n\u003ctd\u003e54\u003c\/td\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ4\/7\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003ctd\u003e0.75\u003c\/td\u003e\n\u003ctd\u003e41.5\u003c\/td\u003e\n\u003ctd\u003e62.5\u003c\/td\u003e\n\u003ctd\u003e59\u003c\/td\u003e\n\u003ctd\u003e63\u003c\/td\u003e\n\u003ctd\u003e71.5\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ5\/8\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e0.95\u003c\/td\u003e\n\u003ctd\u003e52\u003c\/td\u003e\n\u003ctd\u003e73.5\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e中6\/9\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003ctd\u003e1.05\u003c\/td\u003e\n\u003ctd\u003e57.5\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e50.5\u003c\/td\u003e\n\u003ctd\u003e91\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ7\/10\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e1.25\u003c\/td\u003e\n\u003ctd\u003e69.5\u003c\/td\u003e\n\u003ctd\u003e94\u003c\/td\u003e\n\u003ctd\u003e89.5\u003c\/td\u003e\n\u003ctd\u003e87\u003c\/td\u003e\n\u003ctd\u003e99\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ8\/11\u003c\/td\u003e\n\u003ctd\u003e2.25\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003ctd\u003e79\u003c\/td\u003e\n\u003ctd\u003e102\u003c\/td\u003e\n\u003ctd\u003e99\u003c\/td\u003e\n\u003ctd\u003e96.5\u003c\/td\u003e\n\u003ctd\u003e108\u003c\/td\u003e\n\u003ctd\u003e420\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ9\/12\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e1.55\u003c\/td\u003e\n\u003ctd\u003e89\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e110\u003c\/td\u003e\n\u003ctd\u003e104.5\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003ctd\u003e550\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ10\/13\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e1.75\u003c\/td\u003e\n\u003ctd\u003e97\u003c\/td\u003e\n\u003ctd\u003e127.5\u003c\/td\u003e\n\u003ctd\u003e119.5\u003c\/td\u003e\n\u003ctd\u003e118\u003c\/td\u003e\n\u003ctd\u003e133\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ10\/21.5\u003c\/td\u003e\n\u003ctd\u003e3.15\u003c\/td\u003e\n\u003ctd\u003e1.95\u003c\/td\u003e\n\u003ctd\u003e102\u003c\/td\u003e\n\u003ctd\u003e128\u003c\/td\u003e\n\u003ctd\u003e116\u003c\/td\u003e\n\u003ctd\u003e201.5\u003c\/td\u003e\n\u003ctd\u003e215\u003c\/td\u003e\n\u003ctd\u003e1400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eΦ12\/15\u003c\/td\u003e\n\u003ctd\u003e3.2\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e118\u003c\/td\u003e\n\u003ctd\u003e154.5\u003c\/td\u003e\n\u003ctd\u003e148\u003c\/td\u003e\n\u003ctd\u003e130\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e1350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eCustom sizes and shapes available upon request. OEM orders welcome.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ruisource","offers":[{"title":"Default Title","offer_id":48031988482226,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/1818\/8210\/files\/image_35456ce3-0625-4353-b65a-5b98170e355f.png?v=1789120744","url":"https:\/\/ruisource.com\/products\/exothermic-insulating-feeding-riser-sleeve","provider":"Ruisource","version":"1.0","type":"link"}