{"product_id":"6x300-clear-cal-tube","title":"6X300 CLEAR CAL TUBE","description":"\u003ch3 data-section-id=\"8e0lu4\" data-start=\"378\" data-end=\"402\"\u003e🧾 Breaking it down:\u003c\/h3\u003e\n\u003cul data-start=\"403\" data-end=\"613\"\u003e\n\u003cli data-section-id=\"1oyw3rz\" data-start=\"403\" data-end=\"447\"\u003e\n\u003cstrong data-start=\"405\" data-end=\"411\"\u003ePL\u003c\/strong\u003e → Perma-Liner system product code\u003c\/li\u003e\n\u003cli data-section-id=\"1fyvrew\" data-start=\"448\" data-end=\"497\"\u003e\n\u003cstrong data-start=\"450\" data-end=\"463\"\u003e204006300\u003c\/strong\u003e → internal specification series\u003c\/li\u003e\n\u003cli data-section-id=\"aty653\" data-start=\"498\" data-end=\"545\"\u003e\n\u003cstrong data-start=\"500\" data-end=\"508\"\u003eFT-6\u003c\/strong\u003e → \u003cstrong data-start=\"511\" data-end=\"543\"\u003e6-inch pipe size application\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"f35yyp\" data-start=\"546\" data-end=\"613\"\u003e\n\u003cstrong data-start=\"548\" data-end=\"567\"\u003eFT (300FT roll)\u003c\/strong\u003e → supplied in long continuous roll material\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"615\" data-end=\"618\"\u003e\n\u003ch3 data-section-id=\"c5okp3\" data-start=\"620\" data-end=\"646\"\u003e🔧 What it’s used for:\u003c\/h3\u003e\n\u003cp data-start=\"647\" data-end=\"759\"\u003eThis is not a plumbing fitting you install permanently. It is used during \u003cstrong data-start=\"721\" data-end=\"751\"\u003epipe lining rehabilitation\u003c\/strong\u003e, where:\u003c\/p\u003e\n\u003cul data-start=\"760\" data-end=\"1011\"\u003e\n\u003cli data-section-id=\"1k6ba5m\" data-start=\"760\" data-end=\"831\"\u003eA resin-impregnated liner is inserted into an existing damaged pipe\u003c\/li\u003e\n\u003cli data-section-id=\"1bciu43\" data-start=\"832\" data-end=\"883\"\u003eThe calibration tube holds and shapes the liner\u003c\/li\u003e\n\u003cli data-section-id=\"3rv9tc\" data-start=\"884\" data-end=\"950\"\u003eIt ensures the liner cures properly against the host pipe wall\u003c\/li\u003e\n\u003cli data-section-id=\"11mnlvs\" data-start=\"951\" data-end=\"1011\"\u003ePrevents over-expansion or wrinkling during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1013\" data-end=\"1016\"\u003e\n\u003ch3 data-section-id=\"q3cwkr\" data-start=\"1018\" data-end=\"1047\"\u003e🏗️ Typical applications:\u003c\/h3\u003e\n\u003cul data-start=\"1048\" data-end=\"1183\"\u003e\n\u003cli data-section-id=\"o7s5op\" data-start=\"1048\" data-end=\"1077\"\u003eSewer line rehabilitation\u003c\/li\u003e\n\u003cli data-section-id=\"1wm9xvo\" data-start=\"1078\" data-end=\"1100\"\u003eStorm drain lining\u003c\/li\u003e\n\u003cli data-section-id=\"14ousbm\" data-start=\"1101\" data-end=\"1136\"\u003eCommercial plumbing restoration\u003c\/li\u003e\n\u003cli data-section-id=\"264wk4\" data-start=\"1137\" data-end=\"1183\"\u003eTrenchless pipe repair systems (CIPP method)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1185\" data-end=\"1188\"\u003e\n\u003ch3 data-section-id=\"oowtmi\" data-start=\"1190\" data-end=\"1210\"\u003e⚙️ Key features:\u003c\/h3\u003e\n\u003cul data-start=\"1211\" data-end=\"1463\"\u003e\n\u003cli data-section-id=\"yr5tmb\" data-start=\"1211\" data-end=\"1253\"\u003eReinforced polymer \/ PVC-coated fabric\u003c\/li\u003e\n\u003cli data-section-id=\"pmwrf8\" data-start=\"1254\" data-end=\"1316\"\u003eDesigned for steam, hot water, or ambient curing processes\u003c\/li\u003e\n\u003cli data-section-id=\"1wg14xv\" data-start=\"1317\" data-end=\"1382\"\u003eTransparent or semi-clear for visual inspection during curing\u003c\/li\u003e\n\u003cli data-section-id=\"jrbbt2\" data-start=\"1383\" data-end=\"1463\"\u003eUsed with inversion lining equipment\u003cbr data-start=\"1421\" data-end=\"1424\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1465\" data-end=\"1468\"\u003e\n\u003ch3 data-section-id=\"ri34xr\" data-start=\"1470\" data-end=\"1496\"\u003e🧠 Simple explanation:\u003c\/h3\u003e\n\u003cp data-start=\"1497\" data-end=\"1649\"\u003eIt’s basically a \u003cstrong data-start=\"1514\" data-end=\"1648\"\u003especial temporary sleeve used inside old sewer pipes during trenchless repair to shape and hold a new pipe lining while it hardens\u003c\/strong\u003e.\u003c\/p\u003e","brand":"PERMA-LINER INDUSTRIES, LLC","offers":[{"title":"Default Title","offer_id":52411365032225,"sku":"PL204006300FT-6","price":5.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1905\/1041\/files\/download_1_5060cde2-9359-4ecc-be78-ed0ad9aff606.jpg?v=1778181800","url":"https:\/\/standardvmi.com\/products\/6x300-clear-cal-tube","provider":"Standard Plumbing Supply","version":"1.0","type":"link"}