Category Archive: Liquid Rubbers

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

Covid-19-Filter

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.

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.

A Better Understanding of Silicone Rubbers

Silicone-3D-vdW

Silicones are commonly used in the liquid molding process to make molds and parts. Understanding the differences between the different types of silicone can be helpful before deciding what to buy for your application.

Why Silicone Molds Can Inhibit the Cure of Clear Resins

Inhibition

Clear part with an uncured surface. If I had to come up with a list of the most common issues our customers call us about, along with air bubbles, a sticky surface on their clear castings would be at the top. My first question to them is always: Are you using silicone? In 95% of […]

Choosing The Best Mold Material

SiliconeMold

A few months back, we discussed the differences between Liquid Molding and Injection Molding and described when each method is appropriate. As a follow up, we thought it would be important to focus on Liquid Molding and to discuss some of the tooling options as well as the advantages and disadvantages to using each. Aluminum […]

Casting a 2-Part Mold in 1 Day

Demold & Clean Mold

8:00AM – 10:30AM Use some clay to raise the part from the parting board and orient the part to maximize the flow of material and minimize the amount of air that could get trapped. Build up a mound of clay underneath the part, leaving room for the gate and vent. The angle from the clay […]