Author : SpecialChem
Master Bond EP21ND-LP was created for structural bonding applications involving large surface areas. It has an advantageously long working life of 2-4 hours at 75°F for a 100 gram mass.
Its smooth paste consistency makes it convenient to apply and use. The standard color of Part A is gray and Part B amber, although the epoxy can be formulated in a wide array of colors. It is available in ½ pint, pint, quart and gallon kits. It can be used in:
Master Bond EP21ND-LP part gray and part amber epoxy adhesive |
Shore D hardness is 70-80 when mixed in a one to one mix ratio by weight or volume. Moreover, certain properties of the epoxy can be altered by adjusting the mix ratio. For example, adding more of Part A to obtain a 2:1 mix ratio will produce a formulation with a more rigid cure. Conversely, adding more of Part B in a 1:2 mix ratio will provide the epoxy with a more forgiving cure. EP21ND-LP cures at room temperature or more rapidly at elevated temperatures.
Source: Master Bond
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