FIND YOUR GRADE
Pre-Accelerated vs Non-Accelerated Polyester Resin: What the Accelerator Does and How to Handle It
Unsaturated polyester resin does not cure on its own at room temperature. It needs two additions: a catalyst to start the reaction, and an accelerator...
High vs Low Viscosity Polyester Resin: When Does Viscosity Matter?
Viscosity is how thick a liquid resin is, and it decides a surprising amount of what happens in your shop. It controls how quickly resin...
Gelcoat vs Laminating Resin: What Is the Difference, and Which Do You Need?
Most moulded FRP parts use two different polyester products. The gelcoat is the thin outer skin you see and touch. The laminating resin is what...
Which Polyester Resin for Which Application? Marine, Automotive, Construction and Casting
The right resin is decided by what the finished part has to survive, and how it is made. A boat hull and a shirt button...
Which Polyester Resin Grade Do You Need? Two Things to Tell Your Supplier
Many resin enquiries start with a single line: "We need a general-purpose resin. Please quote." It is a reasonable request, but it forces the supplier...
How to Read a Resin Technical Data Sheet: Viscosity, Gel Time, Acid Value and More
A Technical Data Sheet (TDS) packs a resin grade into one page of numbers. Read it well and you can tell, before ordering a sample,...
TDS vs MSDS vs COA: understanding technical documents
When you start working with a resin supplier, three acronyms come up quickly: TDS, MSDS, and COA. They are often used loosely, as if interchangeable....
Which Polyester Resin backbone should you choose?
The single most consequential decision in selecting an unsaturated polyester resin is the backbone chemistry — the acid that forms the polymer’s spine. It is...
How to read a Vikram Resins and Polymers grade code?
Every Vikram Resins product carries a four-digit grade code — VRP 1110 Resin, VRP 3116 Gelcoat, VRP 4110-ULV Resin, and so on. Those digits are...