工艺简介(BasicProcess)：
珍珠棉是非交联聚乙烯泡沫材料，由低密度聚乙烯经物理发泡产生无数的独立汽泡构成。为半硬质地，柔软、弹性好，具有优良的隔热、防震性能，亦具有很好的抗化学和防水性能。
EPEnon-cross-linked polyethylene foam, constituted by the low density polyethyleneby physical foaming numerous independent bubble. Semi-hard texture, soft,flexible, excellent insulation, shock resistance, and also has good resistanceto chemical and water resistance.
技术性能指标(TechnicalIndex):
项 目 / Items | 单位 / Company | 指 标 / data |
密度 /Density | g/cm² | 0.025-0.035 |
压缩强度/ Compression strength | kg/cm² | 2.9-3.5 |
复原率/ Recovery rate | % | ≧98 |
抗张强度/ Tensile strength | kg/ cm² | 2.8-4.1 |
表面电阻/surface Resistivity | Ω/sq | 106-11 Ω/sq |
比热/ Specific heat | Kcal/kgc | 0.55 |
使用温度/Temperature | ℃ | 80 |
线膨胀系数/ Coefficient of linear expansion | ℃ | 0.00017 |
热传导率/ Thermal conductivity | Kczl/m.hr.℃ | 0.027 |
吸水率/ Water absorption rate | mg/ cm² | 1 |
水蒸气透过率/ Water vapor transmission rate | g/ cm² | g/ cm² |
用途及应用领域（Useａnd applications）:
珍珠棉易于加工，广泛适用于电子、电脑、仪表、灯饰、家具、玩具、工艺品等产品环保缓冲包装.
EPE ease ofprocessing, widely used in electronics, computers, instrumentation, lighting,furniture, toys, handicrafts and other products environmentally friendlycushion packaging
