{"product_id":"epo-tek-353ndt-thixotropic-high-temperature-black-epoxy-heat-cure-25g","title":"EPO-TEK® 353NDT Thixotropic High Temperature Black Epoxy, Heat Cure (2.5g)","description":"\u003cp\u003e\u003cstrong\u003eEPO-TEK® 353NDT Thixotropic High Temperature Black Epoxy, Heat Cure (2.5g Packet)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEPO-TEK® 353NDT Black is a two-component, thixotropic, high-temperature epoxy adhesive designed for fiber optic, medical, PCB, and electronic packaging applications. As the black, opaque version of the industry-standard EPO-TEK 353NDT, it combines excellent thermal stability with superior light-blocking performance for optical assemblies requiring minimal visible and infrared light transmission.\u003c\/p\u003e\n\u003cp\u003eIts smooth thixotropic paste consistency helps prevent adhesive flow after dispensing, making it ideal for vertical surfaces, precision bonding, and applications where controlled placement is critical. With a 3-hour working life, EPO-TEK 353NDT Black provides ample processing time for complex assembly operations while delivering strong mechanical performance and reliable high-temperature operation.\u003c\/p\u003e\n\u003cp\u003ePackaged in a convenient 2.5-gram packet, this epoxy is well suited for prototype development, laboratory use, low-volume production, and field repair applications.\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBlack, opaque version of the industry-standard EPO-TEK 353NDT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent visible and infrared light blocking characteristics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHighly thixotropic, non-sag paste for precise adhesive placement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-temperature performance and thermal stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExtended 3-hour pot life for assembly flexibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for fiber optic, medical, and electronic packaging applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth dispensing with minimal migration after application\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConvenient 2.5 gram packet packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFiber optic component assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptical and optoelectronic packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePCB assembly and electronic packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMedical device manufacturing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSensor packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSemiconductor and microelectronic assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLight-blocking optical applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision bonding in confined or vertical areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTwo-Part Epoxy Adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCure Type\u003c\/td\u003e\n\u003ctd\u003eHeat Cure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsistency\u003c\/td\u003e\n\u003ctd\u003eSmooth Thixotropic Paste\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePot Life\u003c\/td\u003e\n\u003ctd\u003e3 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViscosity (23°C)\u003c\/td\u003e\n\u003ctd\u003e9,000 – 15,000 cPs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThixotropic Index\u003c\/td\u003e\n\u003ctd\u003e3.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass Transition Temperature (Tg)\u003c\/td\u003e\n\u003ctd\u003e≥ 90°C (194°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCTE Below Tg\u003c\/td\u003e\n\u003ctd\u003e43 × 10⁻⁶ in\/in\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCTE Above Tg\u003c\/td\u003e\n\u003ctd\u003e231 × 10⁻⁶ in\/in\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShore D Hardness\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParticle Size\u003c\/td\u003e\n\u003ctd\u003e≤ 20 Microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuggested Operating Temperature\u003c\/td\u003e\n\u003ctd\u003eUp to 325°C (617°F) Intermittent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRecommended Cure Schedule\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e150°C for 1 Hour\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptical Performance\u003c\/h3\u003e\n\u003cp\u003eThe black formulation provides excellent opacity across visible and infrared wavelengths, making it suitable for applications requiring optical isolation and stray light suppression.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWavelength Range\u003c\/th\u003e\n\u003cth\u003eSpectral Transmission\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e300 – 1460 nm\u003c\/td\u003e\n\u003ctd\u003eLess Than 5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1550 nm\u003c\/td\u003e\n\u003ctd\u003eLess Than 7%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMarkets Served\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFiber Optics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptoelectronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMedical Devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePCB Assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSemiconductor Manufacturing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectronic Packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMicroelectronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Epo-Tek","offers":[{"title":"Default Title","offer_id":49083448787200,"sku":"ET353NDTBLK-2.5G","price":30.52,"currency_code":"USD","in_stock":true}],"url":"https:\/\/alotechparts.com\/products\/epo-tek-353ndt-thixotropic-high-temperature-black-epoxy-heat-cure-25g","provider":"Alo Tech Solutions","version":"1.0","type":"link"}