MFI Melt Flow Indexer(MFR MVR Test Method)

The melt flow rate testing instrument (melt flow indexer) is a new and affordable tabletop instrument that tests the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of a wide range of thermoplastic raw materials (granulate).It can be used for polystyrene, polyethylene, polypropylene, polyamide, fiber resin, acrylate, POM, fluorineplastic, polycarbonate and other plastic materials.

Product Details

Brief Introduction:    

The melt flow rate testing instrument (melt flow indexer) is a professional device for testing the melt flow rate of thermoplastics under certain condition. It can test PE, fluorine plastic, nylon engineering plastic, also suitable for polyethylene, polypropylene polystyrene, ABS resin, pom resins melting temperature lower plastic tests.

Melt flow rate (melt index)of thermoplastics is melt mass or volume which flow though the standard capillary die every 10 minutes, indicating by MFR.It’s different from thermoplastics viscosity in Molten state.

The melt flow index tester can be widely used in production and scientific research,factories, universitiesand research institutes structure and principle





Available standard

GB/T 3682-2000  

ASTM D1238  Standard test method for Melt flow rates of thermoplastics by extrusionplastometer

ISO 1133  Plastics -- Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics


1.This melt flow index tester is high precision temperature control, nitriding treatment for key parts. High strength and hardness, which insure the test result Accuracy.

2.Color touch operation screen,bring you good enjoy for using the machine  

3.With an automatic cutter driven by micro-motor, can set cutting time, time control precision

4.Advanced ,Durable heating device, anti-high temperature, if there is damage also easy to replace

5.micro-printer,can auto print test results, also can be saved the test result to USB

6.It can test by MFR and MVR test method. If melt flow rate MFR>25g/10min, need use MVR test method  




Heating device

Accessories Fitting box     

Technical Parameters

Inside diameter of cylinder: Φ9.550mm±0.025mm
Position: Position head: Φ9.475±0.015mm

Length of the Position=6.35±0.1mm

Die: Φ=2.095±0.005mm                
Temperature control range: Room temperature-400℃ 
Temperature control accuracy:±0.2℃
Display resolution:0.1℃
Max power consumption:<500w
Temperature-recovered time:4min
Temperature fluctuation: ±0.5℃

Weights:from  0.325Kg、1.2Kg、2.16Kg、3.8Kg、5Kg.  Bigger ones can order
Power: 220V, 50Hz or can be ordered


About packing: 

For exporting machines, we all use Sturdy and durable plywood wooden box. 

About transportation:

It depends on client request. We can delivery by sea, or air cargo, also can delivery by express mail to your company directly. 

About after-sales service. 

1.All our machines has 18 month warranty period, if any parts broken within the warranty period, we will offer parts to you for free. And beyond the warranty period, we also offer maintaince whole life of the machines

2.If you have any questions in using the machine, please contact us by E-mail, we will reply you within 8 hours.

3.We can help check and solve your problems by E-mail, skype, wechat, whatsapp and also Team viewer

4.If need engineer for installation, we will send engineer to your company.

Photos for the tester:


Our packing&Delivery


Together with our customers:



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