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牙模材料介绍
一种高精细、超硬度及耐久性兼具的光固化模型树脂材料,适用405um波段的DLP和LCD设备,应用于手办、牙科模型、鞋模等工业精细领域的概念模型及其原型展示,部件的耐久性长达 10个月以上;
材料特点
1、中低等粘度的光敏树脂,使其更容易快速流平以及方便清洁;2、高硬度、低收缩及尺寸稳定强;3、体现精细细节,树脂遮盖力强;
4、储存周期长、性能持久稳定;
液态材料的物理性能
1、Appearance 外观:Yellow黄色
2、Density 密度:1.175g/cm3 @ 24 ℃
3、Viscosity粘度:721 cps @ 24 ℃
4、Dp固化深度:0.122 mm
5、Ec 临界曝光量:9.3 mJ/cm2
6、Building layer thickness建造层厚:0.025-0.10 mm
固化后材料的机械性能
1、Hardness 硬度, Shore D:85
2、Flexural modulus 弯曲模量, Mpa:2,772-2,880
3、Flexural modulus 弯曲模量, Mpa:65-75
4、Tensile modulus 拉伸模量, MPa:2,179-2,398
5、Tensile strength 拉伸强度, MPa:28-32
6、Elongation at break 断裂延长率:5 -9 %
7、Impact strength,notched lzod, J/m缺口冲击强度:58 - 70
8、Heat deflection temperature, ℃ 热变形温度:89
9、Glass transition,Tg玻璃化转变温度,℃:102
10、Coefficient of thermal expension,热膨胀系数, /℃:96*E-6
11、Density 密度, g/cm312:1.19
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