弹弓扁皮筋,什么材质的耐用?一般的都打几十下就坏了。

2025-03-17 05:08:52
推荐回答(1个)
回答1:

“弹弓的扁皮筋”可选气门芯代替比较耐用。
1、皮筋的材质:用自行车轮胎气门芯上的那种。
2、
皮筋的耐用:
可将气门芯皮筋
 对折成2股、4股、8股,或将几根绑在一起,成3股、5股等,根据自己的力度,绑定皮筋的股数。 
3、图示:2股
 4股
 
 
4、注意事项:、弹弓是危险武器,请勿乱射人!
弹弓皮筋的保养:
1、普通的橡胶制品要保存在阴凉、干燥和干净、无酸、无碱、无油、无腐蚀的地方,还要避免日光照晒和潮湿。
2、橡胶制品最怕油污,任何油性物质能使其迅速老化。
3、其次怕常久受太阳晒。每次使用过弹弓后。手上的汗液是酸性的对皮筋腐蚀很大。所以尽量不要用占有汗液的手去摸皮筋。

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