塑(su)(su)膠(jiao)(jiao)(jiao)跑道(dao)、塑(su)(su)膠(jiao)(jiao)(jiao)場(chang)地(di),都和塑(su)(su)膠(jiao)(jiao)(jiao)有(you)(you)著不(bu)可分(fen)(fen)說的(de)聯系。提起塑(su)(su)膠(jiao)(jiao)(jiao),人們總(zong)是(shi)以橡(xiang)膠(jiao)(jiao)(jiao)與之稱呼,覺得(de)兩者(zhe)之間可以相(xiang)互替換(huan),其實這種認(ren)識完全錯誤。簡單的(de)來講,塑(su)(su)料發生(sheng)形變(bian)(bian)時塑(su)(su)性(xing)變(bian)(bian)形,而(er)橡(xiang)膠(jiao)(jiao)(jiao)是(shi)彈(dan)(dan)性(xing)變(bian)(bian)形。換(huan)言而(er)知(zhi),塑(su)(su)料變(bian)(bian)形后不(bu)容易恢復(fu)原(yuan)狀(zhuang)態,而(er)橡(xiang)膠(jiao)(jiao)(jiao)相(xiang)對(dui)來說就容易得(de)多。兩者(zhe)本質區別在于塑(su)(su)膠(jiao)(jiao)(jiao)原(yuan)料是(shi)由高分(fen)(fen)子合成(cheng)樹脂為主要成(cheng)分(fen)(fen),具(ju)有(you)(you)可塑(su)(su)性(xing)和流(liu)動(dong)性(xing)。而(er)橡(xiang)膠(jiao)(jiao)(jiao)具(ju)有(you)(you)可逆變(bian)(bian)形的(de)高彈(dan)(dan)性(xing)聚合物材料,在室溫下富有(you)(you)彈(dan)(dan)性(xing),在很(hen)小的(de)外力作(zuo)用下能產生(sheng)較大的(de)形變(bian)(bian)。格林斯柏塑(su)(su)膠(jiao)(jiao)(jiao)跑道(dao)具(ju)有(you)(you)適(shi)度的(de)彈(dan)(dan)性(xing)及反彈(dan)(dan)力,可減少(shao)體力的(de)消耗,增進競(jing)賽(sai)成(cheng)績。適(shi)度吸收腳部沖(chong)擊力,減少(shao)運動(dong)傷害,長期練(lian)習及比賽(sai)均適(shi)宜。具(ju)有(you)(you)強韌的(de)彈(dan)(dan)性(xing)層(ceng)及緩沖(chong)層(ceng),可吸收強勁的(de)沖(chong)擊,表面(mian)不(bu)會受損。