High Temperature Resistant, Optically Clear, Two Part Epoxy Meets NASA Low Outgassing Requirements | |
17 Jul 2024 Widely used for applications in the aerospace, electronic and OEM industries, Master Bond EP121CL-LO is a high performance epoxy that passes ASTM E595 testing for NASA low outgassing specifications. This two component system has a low mixed viscosity of 1,000-3,000 cps with a mix ratio of 100:80 by weight. It features an exceptionally long open time of at least 2-3 days at room temperature in a 100 gram batch and requires oven curing. EP121CL-LO adheres well to many substrates including metals, composites, glass, ceramics, rubbers and most plastics. It offers a high tensile strength, tensile modulus and compressive strength of over 12,000 psi, 450,000 psi and 15,000 psi, respectively. This epoxy resists a variety of chemicals such as water, oils, acids, bases, fuels and many solvents. It has impressive optical clarity with a refractive index of 1.56. With a volume resistivity exceeding 3x1014 ohm-cm at ambient temperatures, this electrical insulator is used for potting, encapsulation, coating and sealing applications. When used as a coating, EP121CL-LO can be conveniently applied with a spatula, knife, trowel, brush, paint roller, etc. This product has a service temperature range of -80°F to +500°F. EP121CL-LO features a shelf life of a year in its original, unopened containers and is available in kits ranging from ½ pints to 5 gallons. Want to know more? Click here. |
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