{"product_id":"henkel-technomelt-pa-668-n-hot-melt-adhesive","title":"Henkel Technomelt PA 668 N Transparent Polyamide Hot Melt Adhesive","description":"\u003ch2\u003eTechnomelt PA 668 N for Transparent Electronic Encapsulation and Molding\u003c\/h2\u003e\n\u003cp\u003eHenkel Technomelt PA 668 N is a clear polyamide hot melt adhesive designed for low pressure molding and encapsulation applications requiring transparency. This one-component thermoplastic material provides strong mechanical performance, high Shore A hardness, and reliable environmental protection for electronic assemblies. It is well suited for applications where visual inspection of encapsulated components is necessary.\u003c\/p\u003e\u003ch3\u003eTechnical Advantages of PA 668 N for Optical Encapsulation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical Transparency:\u003c\/strong\u003e Clear formulation allows visual inspection of encapsulated components without obstruction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Pressure Process Compatibility:\u003c\/strong\u003e Designed for low pressure molding to protect sensitive electronics during encapsulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Shore A Hardness (90):\u003c\/strong\u003e Provides structural stability and durable protective coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Mechanical Strength:\u003c\/strong\u003e 5.5 N\/mm² yield strength and 8.5 N\/mm² break strength support long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Elongation (600%):\u003c\/strong\u003e Maintains flexibility while resisting cracking under mechanical stress.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries: Technomelt PA 668 N\u003c\/li\u003e\n\u003cli\u003eType: Hot Melt Adhesive\u003c\/li\u003e\n\u003cli\u003eApplication: Molding - Encapsulation\u003c\/li\u003e\n\u003cli\u003eChemistry: Polyamide\u003c\/li\u003e\n\u003cli\u003eComponents: One-Component\u003c\/li\u003e\n\u003cli\u003eCure: Physical Setting\u003c\/li\u003e\n\u003cli\u003eColor: Clear\u003c\/li\u003e\n\u003cli\u003eApplication Temperature: 356 – 446°F (180 – 230°C)\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -13 – 221°F (-25 – 105°C)\u003c\/li\u003e\n\u003cli\u003eSoftening Point: 311°F (155°C)\u003c\/li\u003e\n\u003cli\u003eMelting Viscosity: 5,500 cps @ 437°F (225°C)\u003c\/li\u003e\n\u003cli\u003eDensity: 0.98 g\/cm³\u003c\/li\u003e\n\u003cli\u003eShore A Hardness: 90\u003c\/li\u003e\n\u003cli\u003eYield Strength: 798 psi (5.5 N\/mm²)\u003c\/li\u003e\n\u003cli\u003eBreak Strength: 1,233 psi (8.5 N\/mm²)\u003c\/li\u003e\n\u003cli\u003eElongation: 600%\u003c\/li\u003e\n\u003cli\u003eLow Temperature Flexibility: -13°F (-25°C)\u003c\/li\u003e\n\u003cli\u003eShelf Life: 24 Months (when properly stored)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Henkel Technomelt","offers":[{"title":"Default Title","offer_id":48060892348633,"sku":"HEN TM PA 668 N CTN","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1600\/8847\/files\/henkel-technomelt-pa-668-n-clear-hot-melt-adhesive.jpg?v=1772580747","url":"https:\/\/www.hotmelt.com\/products\/henkel-technomelt-pa-668-n-hot-melt-adhesive","provider":"Hotmelt.com","version":"1.0","type":"link"}