Product Description
Melt Flow Index Tester

A. Product description:
It is used to determine the MFR value of the melt flow rate through the standard die every 10 minutes when various plastics and gums pass through a certain temperature and load in a viscous flow state. It is suitble for melting high temperature polycarbonate, polysulfoxide, fluorine plastics, nylon and other engineering plastics. Also, it is appropriate for the polyformaldehyde, polystrene, polypropylene, ABS resin polyformaldehyde, polycarbonate resin and other low temperature plastic melting test. The machine is widely used in plastic production, plastic products, petrochemical and other industries as well as related universities, scientific research units and commodity inspection departments.
B. Test standards
· GB-T3682-2018 Determination of melt flow rate and melt volume flow rate for thermoplastics
· ISO1133: 1997 Determination of melt mass flow rate MFR and melt volume flow rate MVR for thermoplastics
· ASTM D1238 Standard test method for determination of flow rate of thermoplastics melt by extruded plastimeters
C. Product advantages:
1. The heating cylinder is made up of 304 stainless steel or alloy, for the reason that in high temperature metal material is easily oxidation rust while the melting flow index tester usually performs long-time work at high temperature(up to 400~500 degrees).
2. The melting flow index rate instrument is equipped with dual sensor configuration to get precise temperature control and better temperature gradient so that the instrument can work longer.
3. According to the national standard, function that four minute countdown after feeding is added in the machine.
4. The RS232 interface is available to be connected to the computer to output data(optional).
5. The last test conditions can be directly displayed after boot-strap to avoid users resetting test parameters each time ,reducing the workload of the operators.
6. The maximum temperature can be up to 450~500℃。(optional, special instructions when ordering).
7. After long time test of strong corrosive plastic such as full fluorine plastic, the accuracy of the instrument is non-destructive.
8. Meeting standards:ISO 1133, ASTM D1238, GB/T3682
D. Product advantage:
1、fast heating speed,minimal overshoot
2、high precision of constant temperature
3、A constant temperature can be quickly restored after packing .
4、Test parameter calibration and correction is convenient.
5、Manual and automatic cutting test methods are optional.
6、The instrument is equipped with LCD working platform.
7、The test results are automatically printed putout equipped with a printer.
E. Specifications :
Items | Melt flow index |
Temperature Range | RT-400℃ |
Temperature drift | 4hour, ≤0.5℃ |
Display Device | Keystroke controlled |
Temperature fluctuation | ± 0.2℃ |
Temperature uniformity of 10mm-70mm above the die | ± 1℃ |
Temperature display resolution | 0.1℃ |
Time display resolution | 0.1S |
Cutting timing range | 1-999S adjustable |
Mouth mold diameter | Φ2.095±0.005mm ( Mouth Radius : 1.05 mm + 0.005 ) |
Discharge hole length | 8.000 ± 0.025mm |
Piston rod diameter | 9.474 ± 0.007mm |
Piston rod length | 6.35 ± 0.13mm |
Loading container diameter | Φ9.550 ± 0.007mm |
Test range | 0.1-150g / 10min |
Farmar precision | ± 0.5% |
Displacement measuring encoder | Omron photoelectric rotary encoder |
Testing scope of mass method | 0.1-150g /10min |
Output way | Micro automatic printout |
Blanking way | Hand automatic cutting can be switched |
Test farmar ( weights) | total 8 grades, 8 sets of weights |
Power supply | AC220V±10% 50HZ |
F. Accessory
No. | Name | Unit | Quantity | Remark |
1 | counterweight | Set | 1 | 0.325㎏、1.2㎏、2.16㎏、3.8㎏、5.0㎏、10.0㎏、12.5、21.6k g(in a load within) |
2 | counterweight tray | Set | 1 | in a load within |
3 | charging hopper | Set | 1 | |
4 | die cleaning load | Set | 1 | |
5 | loader bar | Set | 1 | |
6 | barrel cleaning load | Set | 1 | assemblies |
7 | rod | Set | 1 | (in a load within) |
8 | die | Set | 1 | |
9 | gauze | Roll | 2 | |
10 | printer paper | Roll | 2 |
G. Illustration







Our touch-screen melt flow rate tester measures thermoplastic MFR (0.1-150g/10min) with temp range 40-450℃. It has dual sensors, ±0.2℃ temp fluctuation, and auto/manual cutting. Compliant with GB/T3682, ISO 1133, it features a 7-inch touchscreen, real-time temp curves, and micro printer. The Hastelloy barrel resists corrosion, and 8 weights cover diverse tests. Suitable for plastic production, quality inspection, and labs optimizing processing parameters.
Our semi-automatic melt flow index tester (GC-MI-DP) measures MFR of thermoplastics (PC, nylon, PP) under controlled temp/load. It has dual temperature control (RT-400℃), imported sensors, and a Hastelloy alloy barrel. Compliant with GB/T3682-2018, ISO 1133, and ASTM D1238, it enables electric loading/unloading and auto-cutting. The touchscreen displays data, and a micro printer outputs results. Ideal for plastic production, petrochemicals, and research labs needing efficient batch testing.
This melt flow indexer tests MFR/MVR of plastic and rubber in viscous flow. It has a 304 stainless steel heating cylinder (RT-400℃, optional 500℃), dual sensors for temp precision, and 8 weight grades (0.325-21.6kg). Compliant with GB/T3682 and ASTM D1238, it resists corrosion from fluoroplastics. Key-stroke control simplifies operation, and a micro printer outputs data. Ideal for petrochemicals, plastic processing, and research institutes evaluating material processability.
This automatic melt flow index tester measures MFR/MVR of thermoplastics (high-temp PC, fluoroplastics) with auto-weight loading and cutting. It has multi-stage temp control (RT-450℃), dual platinum sensors, and an Omron encoder for precision. Compliant with GB/T3682, ISO 1133, it retains last test parameters and connects to computers via RS232. Features corrosion-resistant parts and fast temp recovery. Perfect for high-frequency testing in plastic factories, commodity inspection, and universities.
Our single-column universal testing machine (GC-WD-500D) is compact for tensile, compression, and bending tests on nonmetals (film, rubber, plastic). It has a 500kg load cell (±0.5% accuracy), speed range 0.01-500mm/min, and 800mm test stroke. Compliant with GB/T1041, ISO 178, it uses computer control for curve analysis and report generation. Features overcurrent/overload protection and emergency stop. Perfect for small labs, material inspection, and industries like textiles and household appliances.
This universal tensile testing machine (GC-WS-2000S) performs tensile, compression, bending, and shear tests on rubber, plastic, and metal. It has a 20KN high-precision sensor (±0.5% accuracy), AC servo motor, and Taiwan ball screw. Compliant with GB/T1040, ASTM D638, and ISO 527, it uses computer software for data analysis—auto-calculating tensile strength and elastic modulus. Safety features include overload shutdown and travel limits. Ideal for universities, research institutes, and auto/electronics industries.
This UV aging test chamber (GC-UV-A) uses ultraviolet lamps, condensation, and water spray to test material aging—fading, cracking, and embrittlement. It has UVA-340/UVB-313 lamp options, PID temperature control (RT+10~70℃), and ≥90% RH humidity. Compliant with GB/T16422.3, ISO 11507, and SAE J2020, it’s suitable for plastic, rubber, and fabric testing. The QTEST touchscreen enables program editing, and safety devices include over-temperature and water shortage protection. Ideal for quality control in automotive, textile, and coating industries.
Our UV accelerated aging chamber (GC-UV-A) rapidly simulates outdoor weathering—UV radiation, dew, and rain—for materials like plastic, coating, and rubber. Equipped with 8 UVA-340 lamps (315-400nm) and a Taiwan 7-inch touchscreen, it records irradiance, temperature, and time. Compliant with GB/T14552, ASTM D4329, and ISO 4892-3, it reproduces months of outdoor aging in days. Features independent radiation/condensation tests and real-time curve display. Perfect for material weatherability evaluation in manufacturing and research.
In the realm of material testing, the Universal Tensile Testing Machine (UTM) stands as a cornerstone. These machines are pivotal in assessing the mechanical properties of materials, including tension, compression, bending, and shearing. The significance of UTMs is underscored by their widespread application across various industries, from automotive to aerospace, ensuring that materials meet stringent safety and performance standards. This article delves into the intricacies of universal tensile testing machines, exploring their components, functionalities, and applications, while also highlighting the technological advancements that have enhanced their precision and versatility.
Guangdong Guangce Instrument Technology Co.,Ltd. Based in Dongguan, we are a tech-driven private enterprise specializing in R&D, production, OEM, and sales of scientific testing equipment, with 17 years of industry expertise.Our strengths lie in:· Strong software/hardware R&D capabilities supported
Guangdong Guangce Instrument Technology Co.,Ltd. Based in Dongguan, we are a tech-driven private enterprise specializing in R&D, production, OEM, and sales of scientific testing equipment, with 17 years of industry expertise.Our strengths lie in:· Strong software/hardware R&D capabilities supported
Guangdong Guangce Instrument Technology Co.,Ltd. Based in Dongguan, we are a tech-driven private enterprise specializing in R&D, production, OEM, and sales of scientific testing equipment, with 17 years of industry expertise.Our strengths lie in:· Strong software/hardware R&D capabilities supported
Guangdong Guangce Instrument Technology Co.,Ltd. Based in Dongguan, we are a tech-driven private enterprise specializing in R&D, production, OEM, and sales of scientific testing equipment, with 17 years of industry expertise.Our strengths lie in:· Strong software/hardware R&D capabilities supported
Participated in the 2025 Shenzhen CHINAPLAS, received praise for its outstanding achievementsFrom April 15th to 18th, the CHINAPLAS 2025 International Rubber and Plastics Exhibition was held at the Shenzhen International Convention and Exhibition Center.Guangdong Guangce Instrument Technology Co., L