Category Archive: Epoxy Resins

The Titan Disaster

On June 18, 2023, the maritime community experienced a tragic event: the implosion of the Titan, a submersible operated by OceanGate. This incident occurred in the North Atlantic Ocean near Newfoundland, Canada, during a mission to the Titanic wreck site. Aboard were five individuals, including OceanGate Expeditions CEO Stockton Rush and renowned deep-sea explorer Paul-Henri […]

Epoxies vs Polyurethanes

Various polyurethane products from polyurethane products

Resin coatings are extremely useful in commercial and industrial settings and even in the art world. Resins are commonly used to coat surfaces like concrete floors or countertops, create high-gloss finishes, and make repairs. Two of the most common resins are epoxies and polyurethanes. Generally, epoxies are rigid, while polyurethanes will typically be more elastic. […]

Filters: A Key Tool in the Fight Against Covid-19


Filters are an essential component to entire industries, manufacturing facilities, processes, and in some cases, the end products themselves. Filters are enabling the tools and devices that are essential to defeating this invisible enemy we are now facing: Covid-19.

River Cribbage Board Using Hapco Resins


Over the past year, the wood and resin craft market has hit its stride. A quick search on Etsy or YouTube yields thousands of results. We’ve fielded numerous calls from artists, furniture makers, and entrepreneurs trying to find a good epoxy to use for casting river tables, wood/resin jewelry, lamps, and various other artistic endeavors. […]

A Helpful Guide to Processing High Viscosity Resins

High Viscosity Epoxy

There are many specialty resins that are formulated for highly-engineered applications, and because of their unique chemistries, they have a thicker viscosity than other products, making them a bit trickier to process. This article offers helpful advice to those who need to process a thicker viscosity resin in order to meet a wider range of requirements for their parts.

Choosing the Best Epoxy or Urethane for Electrical Applications


In our previous post, we discussed the application of potting and encapsulating using urethanes and epoxies. When choosing the proper urethane or epoxy for an electrical application, there are some important considerations to keep in mind. In this article, we will discuss those considerations and how they apply to the world of urethanes and epoxies. […]

RoHS Compliance


What is RoHS Compliance? The European Union set forth the RoHS (Restriction of Hazardous Substances) Directive to establish environmental guidelines and legislation to reduce the presence of six (6) materials deemed hazardous to the environment. To comply, products entering the EU must not have a homogeneous presence of these materials above the following levels by […]

Toxics Use Reduction Act


Enacted in 1989 and amended most recently in 2006, The Toxics Use Reduction Act(TURA) requires Massachusetts companies that use large quantities of specific toxic chemicals to evaluate and plan for pollution prevention opportunities, implement them if practical, and annually measure and report the results. Learn more. TURA Reporting & Fees Each company considered a Large […]

Potting and Encapsulation Using Urethanes and Epoxies

Di-Pak 4545-40 Multi-wire Encapsulation

Potting consists of immersing the part or assembly in a liquid resin, and then curing it. Although often confused for each other, potting is different from encapsulation in that it retains the shell that is used to contain the thermoset resin while it’s curing. Encapsulation involves building a mold or frame around an object, e.g., […]

Surface Coating Method for Molds


Learn an advanced molding technique that can be used for parts or molds. This technique results in a high performance surface coat with a lower cost structural back-up. Products used in this tutorial are the Hapcoat 3721, Haprez 3744/63, Grease-It Wax LT and Grease-It™ Two. If you would like to download a printable version of this tutorial, click here.