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high quality knr400b 400 temperature rubber and plastic touch screen melt flow index tester
1.Introduction:
KNR-400B Digital Display Plastic Melt Flow Index Tester meet GB/T3682-2000, ASTM D1238-98, JB/T5456 and ISO1133 standards; used to determination of the melt mass flow rate (MFR) of thermoplastics.Using manual sampling to determination of melt mass flow rate, balance weighing way; then calculate the mass flow rate according to the formula.
This instrument measurement data accurate, operate simple, stable and reliable performance.
2.Characteristics:
2.1. Using artificial intelligent instrument control temperature.2.2. Using double time control relay output.
2.3. Instrument constant temperature cycle is short, the dinky overshoot.
2.4. Molding temperature control unit make the accuracy of temperature and product stability more
effectively.
2.5. Cutting material time and interval time can be set in random.
2.6. High intelligence, automation,precision, wide range of application, warming faster, product
performance is stable and reliable.
3.Main Specification:
3.1.Extrusion Discharging Part:Diameter of discharging outlet: Φ2.095±0.005mm
Length of discharging outlet: 8.000±0.025mm
Diameter of charging barrel: Φ9.550±0.025mm
Length of charging barrel: 152±0.1mm
Diameter of piston rod head: Φ9.475±0.015mm
Length of piston rod head: 6.350±0.100mm
3.2.Standard Load Of Test (Eight Class):
Grade 1: 0.325kg=(piston rod + scale pan+ lagging + No.1 weight)=3.187N
Grade 2: 1.200 kg=(0.325+ No.2 weight 0.875)=11.77 N
Grade 3: 2.160 kg=(0.325+ No.3 weight 1.835)=21.18 N
Grade 4: 3.800 kg=(0.325+No.4 weight 3.475)=37.26 N
Grade 5: 5.000 kg=(0.325+ No.5 weight 4.675)=49.03 N
Grade 6: 10.000 kg=(0.325+No.5 weight 4.675+No.6 weight 5.000)=98.07 N
Grade 7: 12.500 kg=(0.325+No.5 weight 4.675+No.6 weight 5.000+No.7 weight 2.500)=122.58 N
Grade 8: 21.600 kg=(0.325+No.2 weight 0.875+No.3 weight 1.835+No.4 weight 3.475+No.5
weight 4.675+No.6 weight 5.000+No.7 weight 2.500+No.8 weight 2.915)=211.82 N
Relative Error Of Test Load ≤ 0.5%.
| 3.3 | Test Method | Melt Flow Rate (MFR) |
| 3.4 | Temperature Range | Room Temperature - 400℃ |
| 3.5 | Constant Temperature Accuracy | ±0.2℃ |
| 3.6 | Temperature Resolution | 0.1℃ |
| 3.7 | Display Method | Digital Tube Display |
| 3.8 | Scraped Material Way | Manual |
| 3.9 | Timing Range | 0.1~999s |
| 3.10 | Timing Accuracy | 0.1s |
| 3.11 | Cut Material Way |
Manual Turn The Handwheel To Cut Material |
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