by Dan | Apr 30, 2020 | Epoxy Resins, Filtration & Ultrafiltration, High Performance Plastics, Home Featured, Liquid Plastics, Liquid Rubbers, Medical Grade, Plastics Technology, Potting & Encapsulating, Uncategorized
Filters A Key Tool in the Fight Against Covid-19 For over 4,000 years, the evolution of the filter has been directly linked to the improvement of human health and life expectancy. The first great civilizations, like the ancient Egyptians, used sand and gravel as...
by Dan | Nov 14, 2016 | Casting Techniques, High Performance Plastics, Home Featured, Liquid Molding Methods, Liquid Plastics, Liquid Rubbers, Silicone Rubbers, Uncategorized
Part 1 – Making the Mold In this article, we show you step by step, how to duplicate a complex pattern using Hapco’s high performance materials and equipment. After taking measurements of the pattern and creating a drawing to outline our plan, we...
by Fred | Oct 13, 2016 | Casting Techniques, Dispensing Equipment, Epoxy Resins, Filtration & Ultrafiltration, Liquid Molding Methods, Liquid Plastics, Liquid Rubbers, Potting & Encapsulating, Rapid Prototyping, Uncategorized
The term “viscosity” refers to the thickness or flowability of a liquid. Viscosity numbers range from 1 (water) to millions of centipoise (cP) or pascal seconds (Pa.s), 1cP = 0.001 Pa.s. Refer to our viscosity comparison chart here. Urethane and epoxy resins with...
by Dan | Mar 27, 2014 | Liquid Rubbers, Silicone Rubbers, Uncategorized
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. There are three basic types of what are called RTV...
by Dan | Feb 28, 2014 | Casting Techniques, Liquid Molding Methods, Liquid Plastics, Liquid Rubbers, Silicone Rubbers, Uncategorized
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 tacky surface issues, I...
by Dan | Dec 28, 2013 | Casting Techniques, Liquid Molding Methods, Liquid Rubbers, Silicone Rubbers, Uncategorized
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...
