How to produce brightly colour solid rubber bumper plate Choose（RAW RUBBERS）Material its very important . There are many different rubber material in China market .If use rubber material not in a optimal way ,it really can not produce High rank training weight rubber bumper plates .Dont use any recycle Rubber ,even use more Titanium dioxide ,its not avaiable . RAW RUBBERS MATERIAL SUCH AS （NR-Nature Rubber)(SBR-Stryrene-Butadiene Rubber）（NBR-Nitrile Rubber )（IR-Isoprene rubber)（Recycle Rubber ) There are different kinds of raw rubber ,NR-Nature Rubber Together with SBR-Stryrene-Butadiene Rubber its nice way .But also also can others different type raw rubber ,just because black traning rubber bumper plates added value not higher ,so there are many ways to mixing rubber to get best soluation for making rubber bumper plates .If use different type RAW RUBBER the Vulcanization system its completely different . Read More »