Determination of the melt index and elongational viscosity in just one measurement. This combination is particularly interesting as a rapid test for inspecting incoming goods in polymer processing.
Determination of the melt index and elongational viscosity in just one measurement. This combination is particularly interesting as a rapid test for inspecting incoming goods in polymer processing.
众所周知，在许多加工工艺中占主导地位的拉伸流动行为不能通过剪切实验来确定。获得专利的Rheotens熔体拉伸测试技术已被证明具有高重复性和高灵敏度，甚至可以区分聚合物熔体在分子结构上的差异，这是其他分析方法无法检测的。
Good to know
The ME-value is the force in the extruded strand at a certain draw-down ratio. This new combined method realizes the opportunity to determine a significant characteristic value of the extrusion behavior of your product in a quick, easy and cost-effective way. The D-MELT system and the ME-value are therefore ideal for continuous process monitoring or the inspection of incoming goods.
熔体指数测试是一种国际标准化的方法，用于测定聚合物熔体的流动性。样品在加热的测试料桶中熔化，然后通过口模挤出，在口模上有测试活塞和规定重量的砝码。同时，从测试活塞的给进速度计算出熔体的体积熔指MVR值。根据熔体密度，可以换算成质量熔指MFR值，单位为g/10分钟。
D-MELT使得测定熔体拉伸(ME-value)成为可能，ME-value是熔体弹性的量度。ME和MVR，两种测试可在一次测试中完成。其中ME测试先于MVR测试前完成。
ME-value是指在一定的拉伸率下，熔体拉伸所需的力值。这是一种快速、简单和经济有效的新方法，能够确定产品在挤压行为下的显著特征值。因此，D-MELT系统和ME-value是生产过程控制或来料检测的理想选择。
Better than ISO 1133
All our melt index testers are equipped with a fast and precise temperature control...
Multi-Load-Measurements
Both our mi40 and MI-ROBO 89.16 can perform automated multi-load measurements with only one filling of...
D-MELT: Determination of Shear and Elongational Properties
Measurement of flow and extension properties using a melt index tester (Plastometer)