Moderate Viscosity Potting/Encapsulation Compound EP30M4 Has Outstanding Chemical Resistance

Master Bond EP30M4 is a two part, room temperature curing potting/encapsulation compound with a 100 to 60 mix ratio by weight. Cures can be accelerated by the use of heat. This will optimize the chemical resistance properties of EP30M4. Some of the potent chemicals it can resist include skydrol, xylene, 70% sulfuric acid, 98% sulfuric acid, 50% sodium hydroxide and bleach.

EP30M4 has excellent physical strength properties. It has superior adhesion to similar and dissimilar substrates. Electrical insulation properties are exceptional. Its volume resistivity is > 1014 ohm cm and dielectric constant is 3.71 at 60 Hz. Shore D hardness is 75-85. Additionally, EP30M4 has a tensile strength of > 7,000 psi and a tensile modulus of 350,000-400,000 psi. Shear strength is > 2,000 psi. Service operating temperature range for this compound is -80°F to 300°F.

Master Bond EP30M4 has good flow properties and a moderate viscosity. Working life for a 100 gram mass is 45-75 minutes at 75°F. The color of Part A is clear and Part B is amber. It is available for use in ½ pint, pint, quart, gallon and 5 gallon pail kit containers. This system is widely employed in the electronic, electrical, electro-optical, appliance, automotive, oil/chemical processing and transportation industries.

Master Bond Specialty Potting and Encapsulation Compounds

Advanced potting and encapsulation systems are designed to optimize performance and processing needs for manufacturing companies. Specific grades offer thermal stability, thermal shock resistance, low coefficients of thermal expansion, corrosion protection, cryogenic serviceability and high voltage insulation. Special formulations are NASA low outgassing approved, meet UL 94V-0 flame resistance requirements and USP Class VI certification.

Cutting Edge Formulations

The Master Bond product line consists of advanced epoxies, silicones, polyurethanes, polysulfides, UV/LED cures and other specialty systems. Each compound is designed to meet specific application requirements. Master Bond environmentally friendly systems are available in convenient packaging from small to large sizes.

Outstanding Technical Support

With years of experience in technical support, the Master Bond team will be able to assess your application and recommend the most suitable polymer system to meet your specifications. Master Bond will continue to guide you throughout the design, prototype and manufacturing process. Master Bond offers replacements for discontinued products.

Latest Technological Advancements

As a worldwide manufacturer of polymer compounds, Master Bond is continuously working with universities and R&D labs to improve product performance. Master Bond products are designed to maximize productivity, reduce waste, save energy and for dependable, long term durability.

This information has been sourced, reviewed and adapted from materials provided by Master Bond Inc.

For more information on this source, please visit Master Bond Inc.

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