We Sannou Co., Ltd. Our company is treating the heat insulation paint of an unprecedented new system.It is the Heat Exchange Paint " Tough Coat D-47 and D-42 "The old heat insulation paint had interrupted heat by reflecting sunlight and sun-ray.Then,solar thermal energy certainly affects somewhere.The ground,asphalt,a plant.etc.were affected by influence and have led to the Global warming in the large meaning.A Tough Coat is different.A special heat exchange material included in a paint will transform the thermal energy from sunlight into kinetic energy , and will consume it.Therefore , Tough Coat inhibit influence."Tough Coat D-47" is water based system."Tough Coat D-42" is solvent system.in order to keep the environment of the Earth.