| abstract |
(57) [Summary] (Problem corrected) [Problem] A seal of a synthetic resin cap that is excellent in hermetic sealability of contents in hot filling and heat sterilization treatment of soft drinks and the like, easy to open, and excellent in hygiene. Provided is an elastomer composition for a cap liner suitable for a material. SOLUTION: The following component (A), component (B), and (C) It consists of components. (Weight% is based on the total amount of A and B) (A) Component: hydrogenated product of styrene / conjugated diene block copolymer 45 to 70% by weight (B) Component: Rubber softener and / or liquid paraffin 30 to 55% by weight Component (C): melt flow rate (230 ° C., 2.16 (kg load) of 0.1 to 100 g / 10 min of crystalline polypropylene resin and / or melt flow rate (190 Polyethylene resin having a density of 0.940 g / cm 3 or more with a density of 0.1 to 50 g / 10 min. 5-100 parts by weight |