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特点:Evonik Industries AG Plexiglas? PMMA 6N 用途:Automotive Backlights,Displays,保护性遮盖物,光学应用,镜头 PMMA 6N 高流动,耐气候影响,高硬度 Plexiglas? PMMA 6N 聚-酸 Evonik Industries AG 产品说明 Product Profile: PLEXIGLAS? 6N is an amorphous thermoplastic molding compound (PMMA). Typical properties of PLEXIGLAS? molding compounds are: ﹒good flow ﹒high mechanical strength, surface hardness and mar resistance ﹒high light transmission ﹒excellent weather resistance ﹒free colorability due to crystal clarity. The special properties of PLEXIGLAS? 6N are: ﹒very good mechanical properties ﹒high heat deflection temperature ﹒excellent flow / melt viscosity Application: Particularly suitable for injection molding optical and technical items. Examples: optical waveguides, luminaire covers, automotive lighting, instrument cluster covers, optical lenses, displays, cuvettes, medical applications etc. Processing: PLEXIGLAS? 6N can be processed on injection molding machines with 3-zone general purpose screws for engineering thermoplastics. Physical Form / Packaging: PLEXIGLAS? molding compounds are supplied as pellets of uniform size, packaged in 25kg polyethylene bags or in 500kg boxes with PE lining; other packaging on request. 材料特点:High Hardness,高强度,着色好,高流动,耐气候影响 材料用途:Automotive Backlights,Displays,保护性遮盖物,光学应用,镜头,汽车领域的应用,医疗器械 加工方法:注吹成型 定属记号:酸 (PMMA) 塑料牌号:PMMA 6N 材料物性 物理性能 额定值 单位制 测试方法 密度 1.19 g/cm3 ISO 1183 溶化体积流率(MVR)(230℃/3.8kg) 12.0 cm3/10min ISO 1133 机械性能 额定值 单位制 测试方法 拉伸模量 3200 MPa ISO 527-2/1 拉伸应力(断裂) 67.0 MPa ISO 527-2/5 拉伸应变(断裂) 3.0 % ISO 527-2/5 冲击性能 额定值 单位制 测试方法 简支梁缺口冲击强度(23℃) 20 kJ/m2 ISO 179/1eU 热性能 额定值 单位制 测试方法 维卡软化温度 96.0 ℃ ISO 306/B50 线形膨胀系数-流动(0 到 50℃) 0.000080 cm/cm/℃ ISO 11359-2 可燃性 额定值 测试方法 UL 阻燃等级(1.60 mm) HB UL 94 光学性能 额定值 单位制 测试方法 折射率 1.49 ISO 489 透射率2 92.0 % ISO 13468-2 补充信息 额定值 测试方法 Fire Rating B2 DIN 4102 注射 额定值 单位制 干燥温度 <85.0 ℃ 干燥时间 2.0 到 3.0 hr 加工(熔体)温度 220 到 260 ℃ 模具温度 60.0 到 90.0 ℃