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柜式风机箱体夹芯板（双面彩钢酚醛泡沫复合板）
sandwich panel for cabinet blower/fan(phenolic foam panel composited with painted steel on two surfaces)
柜式风机箱体夹芯板主要指双面彩钢酚醛泡沫复合板。其表面彩钢板的厚度一般采用一面0.326mm、一面0.18mm。复合板整体厚度根据需要生产，一般在20~25mm之间。
We say sandwich panel for cabinet blower, it refers to the phenolic foam panel composited with painted steel on two surfaces. The thickness of the painted steel is usually 0.326mm on one surface and 0.18 on the other surface. The total thickness depends on the requirement, which is usually 20mm-25mm.
双面彩钢酚醛泡沫复合板应用于柜式风机上的特点主要有：
The main features of the phenolic foam sandwich composited with painted steel,using in cabinet blower, is as bellows:
1消音降噪：酚醛泡沫为多空泡沫材料，具有较强的吸音功能，隔音良好。消音性能见表：
1. Noise reducing: phenolic foam is porous material. It has good performance in absorb noise. See the bellow about the noise reduction:
频率Frequency（HZ） | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
消声量Eliminate volume（dB/M） | 3 | 4.5 | 8.8 | 11.7 | 18.5 | 19 | 17.6 | 12.7 |
2防火安全：酚醛泡沫具有良好的防火性能，复合钢板后防火等级可达A级。与聚苯乙烯、聚氨酯泡沫相比防火优势明显。
2.Fire-proofing:Phenolic foam has very good fire-proofing property. After composited with steel, its fire resistant class could reach Class A. It has obvious advantages compared to EPS, PU foam.
3隔热保温：酚醛泡沫同时也是一款良好的保温隔热材料。
3.Thermal insulation: Phenolic foam is also a very good thermal insulating material.
