如何清洗聚氨酯发泡剂

2025-03-15 21:20:15
推荐回答(5个)
回答1:

用干冰来清洗聚氨酯发泡设备,特别是些高端的产品,如汽车座椅。
干冰喷射介质干冰颗粒在高压气流中加速,冲击待清洗表面。干冰清洗的独特之处在于干冰颗粒在冲击瞬间气化。干冰的动量在冲击瞬间消失。干冰颗粒与清洗表面间迅速发生热交换。致使固体CO2迅速升华变为气体。干冰颗粒在千分之几秒内体积膨胀近800倍,这样在冲击点造成“微型爆炸”。由于CO2挥发掉了,干冰清洗过程中没有产生任何二次废物,留下需要清理的只是清除下来的污垢。
干冰作为清洗介质独特之处:
与喷钢砂、喷玻璃砂、喷塑料砂和喷苏打等其它喷射介质一样,干冰颗粒的动量取决于其质量和速度,由于干冰密度相对较低,要达到所需要的冲击能量主要取决于干冰颗粒的速度。 与其它喷射介质不同,干冰颗粒温度极低(-78℃)。这样的低温使干冰清洗具有独特的热力学性能,影响粘附污垢的机械性能。由于干冰颗粒与清洗表面间的温度差,就发生热冲击现象。附着物(污垢)温度降低、脆性增大,干冰颗粒 能够将污垢层冲击破碎。

回答2:

用丙酮,或者是专门的聚氨酯清洗剂,要是已经固化了就没办法了,小面积的只能用刀子挂了。要是是大面积的在衣服上,你的衣服就报废了。呵呵。。。

回答3:

谢了 我知道怎么搞了

回答4:

聚氨酯发泡剂用的着清洗吗?你搞差了吧?

回答5:

用热水洗

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