A:The applications for epoxy-based materials are extensive and include coatings adhesives and composite materials such as those using carbon fiber and now it is more and more polular used in art and crafts field it is in liquid form originally and after you mix the resin with hardener you can get a solid object and quite shinning so you can use it as any kind of DIY object. And epoxy also widely used in waterpoof filed due to its water proof feature after cured.
A:Yes all resin will yellowing even the polyurethane which with the best yellow resistance. we put yellow resistance agent to all of our formula so most of our models are with yellow resistance.
A:We do have REACH RoHS EN-71 CPSIA TRA ASTM FDA etc， we make the certificate according to the customers' need. If you do need any extra certification kindly let us know we will try to apply it.
A:We donot suggest to use outdoor it will shorten its life it is under sunlight. Epoxy will yellowing under sunlight but if you add color will be better.
A:Epoxy resin use about 30% to 50% hardener while the unsaturated polyester resin use about 1% to 3% hardener epoxy relase more heat so unsaturated resin can do very big casting with no heat release but unsaturated resin is smelly and less envirnment friendly. You need to choose from them according to your actual application.
A:No，not all the epoxy resin are two components some epoxy resin can be one part only can cure by itself. But the store condition is strict need to store it in very cold temperature.
A:Yes，we have own R&D team. Tell us your request we can fulfill it.
A:Yes，the sample is free for you，but you have to pay the shipping fee.
