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Which melt index meter is better?
Founded in 1977, British Ruiran Company is one of the world's most famous suppliers of plastic testing instruments and processing equipment. It provides plastic testing instruments that comply with the latest ASTM, ISO, DIN, BS, JIS and other international standards, including the world's best melt index meter, thermal change Shape/Vicat tester, impact testing machine, environmental stress cracking tester, thermal oxygen aging tester, plastic film dynamic and static friction tester, drop weight impact tester, density gradient meter and preparation system, as well as various plastic test sample preparation equipment, such as CNC machine tools, sample cutting machines, notch sample making machines, etc. Gottfert's from Germany is also good.
Product name from Baidu Melt Index Meter HRZ-400 Melt Flow Rate Tester: Melt flow rate tester product model two: HRZ-400 three main application scopes and functions: The melt index meter complies with the standard requirements of GB/T3682-2000. The main parameters of the melt index meter also meet the standard requirements of ISO1133-97 and ASTM1238. It can be used for polyethylene and polypropylene. Measure the melt mass flow rate (MFR) or melt volume flow rate (MVR) of various plastic materials such as vinylene, polystyrene, ABS, polyamide, fiber resin, acrylate, polyformaldehyde, fluoroplastics, polycarbonate, etc. ; Imported dual-display intelligent temperature control instrument is used to ensure stable temperature control accuracy. The melt index meter is programmed by a microprocessor according to standard test procedures, with fast heating speed and high constant temperature accuracy. ; After filling, it can quickly return to the constant temperature state. Chinese display, automatic timing, automatic cutting, automatic printing and other functions. (English operation methods can be provided according to the special requirements of users). Four main technical parameters: Temperature control range: Room temperature---400 ℃ Temperature control accuracy: ±0.2 ℃ display resolution: 0.1 ℃ maximum power consumption: ≤500 W temperature recovery time: 4 min piston position detection: (MVR) Upper and lower ring distance: 30 mm displacement control accuracy: ±0.1 mm test range: 0.03-450g/10min standard parts parameters: Barrel parameters: Inner bore Φ9.55±0.025mm Piston parameters: Piston head Φ=9.475±0.015mm ; Piston head length H=6.35±0.1mm Oral film parameters: Mouth mold: The material is tungsten carbide, long: 8.000mm±0.025mm extrusion hole Φ=2.095±0.005mm die configuration: Φ2.095±0.005/Φ1.18±0.01mm Weight parameters: Weight accuracy: ±0.5% basic configuration: A 0.325 KG (including pressure rod) B 0.875 KG C 0.960 KG D 1.200 KG E 1.640 KG Note: Weights can be added according to user requirements. Five main configurations and accessories: Remarks on the number of accessories. The host machine has a micro printer and a set of weights. A set of 0.325kg, 0.875kg, 0.960kg, 1.200kg, and 1.640kg can be added with a mouth mask Φ2.095±0.005mm Pressing rod, one cleaning rod, one set of feeding funnel, one orifice diaphragm rod, two small ones, one level bubble, one receiving tray, one connecting cable, one set of host feet, four accessory boxes, one instruction manual. This post was last edited by lifanwang on 2009-2-20 13:06 ]
The best melt index meter used in the laboratory is the original HAAKE. Many foreign and domestic textbooks write: Use the HAAKE rheometer to measure... However, the simple melt index meter has stopped production due to its low technical content. Many factories are using Ceast and Gottfert. Now HAAKE only produces online melt index meters for industrial use. But in terms of rheometers used in laboratories, HAAKE and TA are in the leading position.