{"product_id":"resina-siraya-tech-tenacious-lava-negra-1kg","title":"Siraya Tech Tenacious Lava - Black High-Impact Engineering Resin 1 kg","description":"\u003ch2\u003eSiraya Tech Tenacious Lava: Black High-Impact Engineering Resin 73D (1 kg)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe short version:\u003c\/strong\u003e Siraya Tech Tenacious Lava is a \u003cstrong\u003eblack\u003c\/strong\u003e engineering resin built for \u003cstrong\u003efunctional parts that take hits and wear\u003c\/strong\u003e — gears, hinges, housings, and load-bearing components. According to its technical datasheet, it combines \u003cstrong\u003e73 Shore D\u003c\/strong\u003e hardness with \u003cstrong\u003e75% elongation at break\u003c\/strong\u003e, meaning it's tough without being brittle. It offers \u003cstrong\u003e46 MPa tensile strength\u003c\/strong\u003e and a heat deflection temperature of 55 °C. Optimized for large-format printers and available in a 1 kg bottle.\u003c\/p\u003e\n\n\u003ch3\u003eKey specs at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e High-impact tough engineering resin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e 73 Shore D, with 75% elongation at break.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e 45 MPa yield strength, 46 MPa tensile strength at break, and 1,800 MPa Young's modulus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact resistance:\u003c\/strong\u003e 65 J\/m (notched Izod). Siraya rates it as 50% tougher than standard resins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e HDT of 55 °C at 0.455 MPa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge-format ready:\u003c\/strong\u003e Strong layer adhesion and low peel forces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Deep black with sharp detail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is it good for?\u003c\/h3\u003e\n\u003cp\u003eIdeal for \u003cstrong\u003efunctional prototypes, load-bearing parts, and enclosures\u003c\/strong\u003e, as well as mechanisms with friction like \u003cstrong\u003egears and hinges\u003c\/strong\u003e, where the wear resistance of 73 Shore D makes a real difference. It's the go-to choice when a standard or ABS-like resin isn't enough and your part needs to handle impacts and real-world use.\u003c\/p\u003e\n\n\u003ch3\u003eHard and tough at the same time\u003c\/h3\u003e\n\u003cp\u003eHard resins tend to be brittle, and tough resins tend to be soft — Tenacious Lava breaks that rule. At \u003cstrong\u003e73 Shore D\u003c\/strong\u003e it holds its shape and resists wear, while \u003cstrong\u003e75% elongation at break\u003c\/strong\u003e means it flexes before it snaps. That's why Siraya positions it for demanding mechanical applications.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cp\u003eData sourced from the official Siraya Tech technical datasheet.\u003c\/p\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eMethod\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength at Yield\u003c\/td\u003e\n\u003ctd\u003e45 MPa\u003c\/td\u003e\n\u003ctd\u003eASTM D638\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength at Break\u003c\/td\u003e\n\u003ctd\u003e46 MPa\u003c\/td\u003e\n\u003ctd\u003eASTM D638\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYoung's Modulus\u003c\/td\u003e\n\u003ctd\u003e1,800 MPa\u003c\/td\u003e\n\u003ctd\u003eASTM D638\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation at Break\u003c\/td\u003e\n\u003ctd\u003e75%\u003c\/td\u003e\n\u003ctd\u003eASTM D638\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexural Modulus\u003c\/td\u003e\n\u003ctd\u003e1,600 MPa\u003c\/td\u003e\n\u003ctd\u003eASTM D790\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDT at 0.455 MPa\u003c\/td\u003e\n\u003ctd\u003e55 °C\u003c\/td\u003e\n\u003ctd\u003eASTM D648\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNotched Izod Impact\u003c\/td\u003e\n\u003ctd\u003e65 J\/m\u003c\/td\u003e\n\u003ctd\u003eASTM D256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardness\u003c\/td\u003e\n\u003ctd\u003e73 Shore D\u003c\/td\u003e\n\u003ctd\u003eASTM D2240\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolid \/ Liquid Density\u003c\/td\u003e\n\u003ctd\u003e1.2 g\/cm³ \/ 1.1 g\/ml\u003c\/td\u003e\n\u003ctd\u003eASTM 792 \/ D1475\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Absorption (24 h)\u003c\/td\u003e\n\u003ctd\u003e2%\u003c\/td\u003e\n\u003ctd\u003eASTM D570\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViscosity at 25 °C\u003c\/td\u003e\n\u003ctd\u003e1,600 cps\u003c\/td\u003e\n\u003ctd\u003eASTM D7867\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor \/ Contents\u003c\/td\u003e\n\u003ctd\u003eLava Black \/ 1 kg (909 ml)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eST0049\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePrinting Tips from Siraya\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShake\u003c\/strong\u003e the bottle for 2–3 minutes, then let it sit for 10–15 minutes to allow bubbles to dissipate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrint at 25 °C or above.\u003c\/strong\u003e In cold environments, warm the bottle in lukewarm water (not hot) for 10–15 minutes and heat the print area if needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightly sand the build plate\u003c\/strong\u003e to improve adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePour carefully\u003c\/strong\u003e to avoid introducing bubbles, and let the resin settle for 5–10 minutes before printing. Monitor the first few layers closely.\u003c\/li\u003e\n\u003cli\u003eSiraya provides print profiles for Anycubic, Creality, Elegoo, and Phrozen (Chitubox and Lychee).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWashing and Post-Curing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain\u003c\/strong\u003e the print over the vat for at least 10 minutes — this is a viscous resin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWash\u003c\/strong\u003e with 90%+ ethanol or isopropyl alcohol (IPA), ideally for 10 minutes in an ultrasonic cleaner.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry\u003c\/strong\u003e with compressed air or a cool-setting hair dryer. If the surface is still tacky, repeat the wash.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost-cure\u003c\/strong\u003e for 15–20 minutes under 395–405 nm UV light, rotating the print every 5 minutes. Submerging it in water speeds up curing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA \u003ca href=\"https:\/\/mrresin.es\/collections\/maquinas-lavado-curado-wash-cure\"\u003ewash and cure station\u003c\/a\u003e makes both steps much easier. Browse compatible printers in our \u003ca href=\"https:\/\/mrresin.es\/collections\/impresoras-3d-resina\"\u003eresin 3D printers\u003c\/a\u003e collection, and explore more options in our \u003ca href=\"https:\/\/mrresin.es\/collections\/resinas-3d-resistentes\"\u003etough resins\u003c\/a\u003e range.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions – Siraya Tech Tenacious Lava\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Tenacious Lava used for?\u003c\/strong\u003e\u003cbr\u003eIt's designed for high-impact, high-wear functional parts such as gears, hinges, enclosures, and load-bearing components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it flexible or rigid?\u003c\/strong\u003e\u003cbr\u003eIt's hard (73 Shore D) but tough: with 75% elongation at break, it flexes and deforms before snapping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much heat can it handle?\u003c\/strong\u003e\u003cbr\u003eIts HDT is 55 °C at 0.455 MPa, according to Siraya's official datasheet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for large-format printers?\u003c\/strong\u003e\u003cbr\u003eYes. Siraya optimized it for large-format printing, with strong layer adhesion and low peel forces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperature should I print at?\u003c\/strong\u003e\u003cbr\u003e25 °C or above. In cold conditions, warm the bottle in lukewarm water before printing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I wash it?\u003c\/strong\u003e\u003cbr\u003eUse 90%+ ethanol or IPA, preferably in an ultrasonic cleaner for 10 minutes — after draining the print for at least 10 minutes first.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does post-curing take?\u003c\/strong\u003e\u003cbr\u003e15–20 minutes under 395–405 nm UV light, rotating the print every 5 minutes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it absorb moisture?\u003c\/strong\u003e\u003cbr\u003eWater absorption over 24 hours is 2%, according to Siraya's datasheet.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre there print profiles available?\u003c\/strong\u003e\u003cbr\u003eYes, Siraya publishes profiles for Anycubic, Creality, Elegoo, and Phrozen in Chitubox and Lychee.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it compare to an ABS-like resin?\u003c\/strong\u003e\u003cbr\u003eTenacious Lava offers much higher elongation at break (75%), meaning it absorbs impacts without snapping, and also holds up better against wear and abrasion.\u003c\/p\u003e","brand":"Siraya Tech","offers":[{"title":"Default Title","offer_id":55156923138385,"sku":"ST0049","price":64.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0852\/0414\/0369\/files\/siraya-tech-tenacious-lava-resina-negra-1kg.jpg?v=1790962093","url":"https:\/\/mrresin.es\/en\/products\/resina-siraya-tech-tenacious-lava-black-1kg","provider":"Mr Resin","version":"1.0","type":"link"}