경도1 실리콘 경도 단위 (플라스틱 경도) Durometers of various common materials Material Durometer Scale Bicycle gel seat 15–30 OO Chewing gum 20 OO Sorbothane 30–70 OO Rubber band 25 A Door seal 55 A Automotive tire tread 70 A Soft wheels of roller skates and skateboard 78 A Hydraulic O-ring 70–90 A Hard wheels of roller skates and skateboard 98 A Ebonite rubber 100 A Solid truck tires 50 D Hard hat (typically HDPE) 75 D 구분 용도 품명 경도 J.. 2016. 12. 31. 이전 1 다음
