Sinomer® PET3A-CA is a carboxylated pentaerythritol triacrylate 单体, supplied as a clear to slightly yellow 透明液体. It is specifically designed to enhance 附着力, hardness, and curing speed in radiation-curable formulations. The presence of carboxylic functionality promotes excellent 附着力 to difficult substrates such as metals and plastics, making it ideal for high-performance coatings, inks, and adhesives.