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聚氨酯喷涂在冷库保温中的应用概况 

聚氨酯喷涂在冷库保温中的应用概况 

冷库保温我们通常都会采用聚氨酯夹芯双面彩钢冷库保温板或者直接在墙面上做聚氨酯立面喷涂做保温。在我国东南方地区以聚氨酯夹芯双面彩钢冷库保温板居多;在西北方则以聚氨酯立面喷涂做保温居多。那么聚氨酯立面喷涂做保温有哪些优缺点呢?  1、保温隔热,节约能源。聚氨酯硬泡具有很低的导热系数,这是其它材料不能比拟的,综合考虑物美价廉。  2、性能优良,应用面广。由于各种工程不同,对保温材料也有各种不同的机械性能

2021-09-15

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聚氨酯弹性体独特性能拓广阔应用

聚氨酯弹性体独特性能拓广阔应用

聚氨酯弹性体的特性  聚氨酯弹性体是典型的多嵌段共聚物,分子链由玻璃化温度低于室温的柔性链段和玻璃化温度高于室温的刚性链段嵌段而成。其中低聚物多元醇构成柔性链段,二异氰酸酯和小分子扩链剂构成刚性链段。柔性链段和刚性链段的嵌段结构决定了其性能的特殊性,主要表现在:  (1)硬度范围宽。普通的橡胶硬度范围一般在绍尔a20-90,塑料的硬度范围约为绍尔a95-绍尔d100,聚氨酯弹性体能达到低至绍尔a1

2021-09-15

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Polyurethane Foam Spray Machine
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test

SPF is on Target

within this scale range, the scale accuracy is ± 0.03, which is affected by flow change, viscosity and temperature

Filling gun function: pneumatic, handle control switch, automatic return when stopping the gun

Professional production line supporting system

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