三聚氰胺甲醛/Melochem 751/Chemiplastica, Inc. 物性表
三聚氰胺甲醛/Melochem 751/Chemiplastica, Inc.
规格用途
该料用途 | 电气/电子应用领域; 家用货品; 军事应用; 食品服务领域; 桌类产品 |
备注说明 | The Melochem 751 Dry Granulated Moulding Compound are based on melamine-formaldehyde resins fortified with high-class cellulose as reinforcement and further modified with minor amounts of special purpose additives, pigments, cure regulators and lubricants.Melochem 751 grade is a general-purpose compression grade.The Melochem 751 Moulding Compounds can be supplied in most colours from translucent pastels to black.Moulded parts are free from odour, light stable and have good moisture resistance.Hard and Glossy surface with excellent scratch and chemical resistance. Fats, oils and common organic solvents like alcohol and acetone do not attack the materials and they are also resistant to surfactants and weak bases. They will also withstand attack from weak acids fro a shorter duration.Oxygen index is 40% and is achieved without the use of external flame-retardants. No halogens are present in the composition.The products comply with the requirements of the widely used material specifications :DIN 7708 type 152 and 152.7 (*)ISO 2112 type MF B10 and B11 (*)UL certified(*) included in ISO 14528Fields of application: Unique porcelain-like properties, unmatched by any other plastic material, makes Melochem 751 Moulding Compound particularly suitable for a number of household and foodservice applications including dinnerware, ramekins, ashtrays, jugs, ladles, bowls andsimilar objects.Melochem 751 is also used in the manufacture of retail, commercial and military grade buttons.Though not specifically developed for electrical applications this product can nevertheless be used for applications requiring superior electrical properties such as arcing, tracking and flame resistance.These products have a high-class feel and can be manufactured by using efficient plastic moulding technology.By pressing a foil onto the surface, unlimited range of decorative patterns can be achieved.The moulded items exhibit low water absorption properties and are therefore are dishwasher safe. |
技术参数
性能项目 | 测试条件 | 测试方法 | 数值/描述 | 单位 | |
物理性能 | 密度 | ISO 1183 | .딱 | g/cm³ | 收缩率 | ISO 2577 | -- | 딱.녶딱 到 딱.딱 | % | -- 3 | .셐 到 . | % | 吸水率 | ISO 62 | < 쑢딱딱.딱 | mg |
热性能 | 热变形温度 | ISO 75-2/C | 8.0 MPa, 未退火 | > 딱 | °C |
可燃性 | UL 阻燃等级 | UL 94 | -딱 | 灼热丝易燃指数 4 | IEC 707 | 딱 | °C | 极限氧指数 | ASTM D2863 | > ꞑ딱 | % | Emission | ISO 4614 | Acetic Acid | < 쑢.딱딱 | mg/l | Ethanol | < 쑢.딱딱 | mg/l | Water | < 쑢.딱딱 | mg/l |
电气性能 | 表面电阻率 | IEC 60093 | > .딱녠+ | ohms | 介电常数 | DIN 53483 | .딱딱 | 耗散因数 | IEC 60250 | 1 kHz | < 딱.딱 | 漏电起痕指数 | IEC 60112 | > 딱딱 | V |
机械性能 | 拉伸应力 | ISO 527-2 | 屈服 | > ꞑ.딱 | MPa | 弯曲应力 | ISO 178 | > 텠딱.딱 | MPa |
冲击性能 | 简支梁缺口冲击强度 | ISO 179/1eA | > . | kJ/m² | 简支梁无缺口冲击强度 | ISO 179/1eU | > .딱 | kJ/m² |
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