硅酮 (Silicone)/16 FAST/Smooth-On, Inc 物性表
硅酮 (Silicone)/16 FAST/Smooth-On, Inc
规格用途
该料用途 | Mold Making |
备注说明 | Mold Star® rubbers are easy to use platinum silicones which are mixed 1A:1B by volume (no weighing scale necessary). Mold Star® silicones feature relatively low viscosities and vacuum degassing is not required for most applications. The pot life of Mold Star® 15 SLOW is 50 minutes and cure time is 4 hours at room temperature. Mold Star® 16 FAST is a faster material with a 6 minute pot life and 30 minute cure time. Mold Star® 30 is a harder material, with a 30A Shore hardnessMold Star® silicones cure to soft, strong rubbers which are tear resistant and exhibit very low long term shrinkage. Molds made with Mold Star® will last a long time in your mold library and are good for casting wax, gypsum, resins, concrete and other materials. Cured Mold Star® rubber is heat resistant up to 450°F (232°C) and is suitable for casting low-temperature melt metal alloys. Note: Mold Star® rubbers are not intended for brush-on moldmaking. |
技术参数
性能项目 | 测试条件 | 测试方法 | 数值/描述 | 单位 | |
热固性 | 热固组件 | 部件 A | 按容量计算的混合比: .ꂗ | 部件 B | 按容量计算的混合比: .ꂗ | 储存稳定性 | ASTM D2471 | 쌂.ꂗ | min | 热固性混合粘度 | ASTM D2393 | 렉ꂗꂗ | cP | Cure Time | 푓ꂗ.ꂗ | min |
物理性能 | 密度 / 比重 | ASTM D1475 | . | g/cm³ | 特定体积 | ASTM D1475 | ꂗ. | cm³/g | 收缩率 - 流动 | ASTM D2566 | < ꂗ.ꂗ | % |
硬度 | 肖氏硬度 | ASTM D2240 | 邵氏 A | 쌂 | |
弹性体 | 拉伸应力 | ASTM D412 | 100%应变 | ꂗ.푓ꠄ | MPa | 抗张强度 | ASTM D412 | 断裂 | .ꠄ쌂 | MPa | 伸长率 | ASTM D412 | 断裂 | ꂗ | % | 撕裂强度 2 | ASTM D624 | 렉. | kN/m |
热性能 | Service Temperature | -렉 到 푓 | °C |
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