{"product_id":"tremco-eucolastic-1ns-polyurethane-hybrid-sealant","title":"Eucolastic 1NS Single-Component Polyurethane Hybrid Sealant (600 ml)  -  Tremco","description":"\u003cp\u003e\u003cstrong\u003eEucolastic 1NS\u003c\/strong\u003e from Tremco CPG is a single-component, non-sag, low-modulus, moisture-cure \u003cstrong\u003epolyurethane hybrid joint sealant\u003c\/strong\u003e. Formulated with a unique silane-terminated polyurethane (STPU) polymer, it delivers performance that exceeds stand-alone polyurethane sealants  -  offering exceptional durability and persistent adhesion in dynamic, moving joints.\u003c\/p\u003e\n\u003cp\u003eEucolastic 1NS skins rapidly, is paintable, and remains adhesively and cohesively bonded through temperature cyclic movement, making it a reliable choice for both interior and exterior weather-sealing applications.\u003c\/p\u003e\n\u003ch4\u003ePrimary Applications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConcrete control and expansion joints\u003c\/li\u003e\n\u003cli\u003ePrecast concrete panel joints\u003c\/li\u003e\n\u003cli\u003eExternal Insulation Finishing System (EIFS)\u003c\/li\u003e\n\u003cli\u003eWindow and door perimeters\u003c\/li\u003e\n\u003cli\u003eMasonry sealing\u003c\/li\u003e\n\u003cli\u003eInterior and exterior weather joints\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMovement capability of \u003cstrong\u003e± 35%\u003c\/strong\u003e (ASTM C920 Class 35)\u003c\/li\u003e\n\u003cli\u003eSkin time only 30 min; tack-free in 3–4 hours @ 27 °C\u003c\/li\u003e\n\u003cli\u003eLow-modulus  -  gentler stress transfer to substrate edges\u003c\/li\u003e\n\u003cli\u003eMoisture-cure single component  -  no mixing, no waste\u003c\/li\u003e\n\u003cli\u003ePaintable; remains adhesively bonded under thermal cycling\u003c\/li\u003e\n\u003cli\u003eNo staining, no visible colour change (ASTM C510)\u003c\/li\u003e\n\u003cli\u003eMeets ASTM C920 Type S, Grade NS, Class 35, Use NT, M, A and O; ASTM C1248; CAN\/CGSB 19.13-M87\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Properties\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Single-component STPU hybrid sealant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRheology (ASTM C639):\u003c\/strong\u003e Non-sag thixotropic paste\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtrusion Rate (ASTM C1183):\u003c\/strong\u003e 93.1 ml\/min\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness, Shore A (ASTM C661):\u003c\/strong\u003e 35\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement Capability:\u003c\/strong\u003e ± 35%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkin Time:\u003c\/strong\u003e 30 min\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTack-Free Time (ASTM C679):\u003c\/strong\u003e 3–4 hr\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdhesion-in-Peel (ASTM C794, Concrete):\u003c\/strong\u003e 18–22 Pli (31.5–38.5 N\/cm), no adhesion loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCure Rate:\u003c\/strong\u003e ~1.6 mm per day\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePackaging, Colours \u0026amp; Shelf Life\u003c\/h4\u003e\n\u003cp\u003eAvailable in \u003cstrong\u003e600 ml sausage\u003c\/strong\u003e. One sausage covers approximately \u003cstrong\u003e7.3 m\u003c\/strong\u003e in a 6 × 6 mm joint. Standard colours: Black, Bronze, Gray, Limestone, Stone, White. Shelf life is \u003cstrong\u003e12 months\u003c\/strong\u003e from manufacture in original, unpunctured packaging.\u003c\/p\u003e\n\u003ch4\u003eHow to Use (Brief)\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eNew concrete must be a minimum of 28 days old. Joint must be clean, sound and dry  -  wet joints cause bubbling.\u003c\/li\u003e\n\u003cli\u003eJoint width should be 4× expected movement, never less than 6 mm. Use backer rod or bond breaker tape to set depth and prevent three-sided adhesion.\u003c\/li\u003e\n\u003cli\u003eUse Eucolastic Primer on non-porous substrates (metal, granite) or where the sealant will be underwater.\u003c\/li\u003e\n\u003cli\u003eDispense directly from sausage with a standard caulking gun. No pre-mixing required.\u003c\/li\u003e\n\u003cli\u003eTool with a rounded spatula to a concave finish for proper movement and adhesion.\u003c\/li\u003e\n\u003cli\u003eCure is by atmospheric moisture  -  no special curing needed. Clean tools with Euco Solvent or xylene before set.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eManufactured by Tremco CPG (India) Pvt. Ltd. (formerly Flowcrete India Pvt. Ltd.). Authorised distribution by Technotrade Associates  -  Pan-India delivery, dispatched within 3 working days after payment confirmation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Tremco","offers":[{"title":"600ML","offer_id":52305602019644,"sku":null,"price":395.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1626\/2923\/files\/eucolastic_1ns.jpg?v=1760597763","url":"https:\/\/store.technotrade.in\/products\/tremco-eucolastic-1ns-polyurethane-hybrid-sealant","provider":"Technotrade Associates","version":"1.0","type":"link"}