The said backing, is the polyurethane film which has the thickness inside the range of 1 - 10 millimicrons in the sticking medicine which possesses the layer constitution where it can provide adhesive layer in one side of the backing, being the addition reaction type silicone adhesive layer which consists of the poly- Organo polysiloxane where the said adhesive layer, has the thickness inside the range of 5 - 50 millimicrons, does not have the vinyl basis in the side chain, at the same time, the sticking medicine where being transparent humidity of the said sticking medicine is 1500g/m2.24hr excess.支持体の片面に粘着剤層が設けられた層構成を有する貼付剤において、該支持体が、1~10μmの範囲内の厚みを持つポリウレタンフィルムであり、該粘着剤層が、5~50μmの範囲内の厚みを持つ、側鎖にビニル基を持たないポリオルガノシロキサンからなる付加反応型シリコーン系粘着剤層であって、かつ、該貼付剤の透湿度が1500g/m2・24hr超過である貼付剤。
