ISO1133 ASTM1238 Melt Flow Index Test Machine

ISO1133 ASTM1238 Melt Flow Index Test Machine

ISO1133 ASTM1238 Melt Flow Index Test Machine melt flow rate meter is programmed by the microprocessor according to the standard test procedure.After packing, the temperature can be quickly restored.Chinese display, automatic timing, automatic cutting, automatic calculation of melt index...

Product Details

 ISO1133 ASTM1238 Melt Flow Index Test Machine is programmed by the microprocessor according to the standard test procedure.After packing, the temperature can be quickly restored.Chinese display, automatic timing, automatic cutting, automatic calculation of melt index results, calculation of density, automatic printing and other functions.(according to the special requirements of users with English operations).



Chinese name within the melt flow rate meter hole Φ 9.550 mm ± 0.025 mm piston head Φ 9.475 ± 0.015 mm piston head length H = 6.35±0.1 mm film parameter Φ mouth = 2.095 ±0.005 mm temperature range 80 ~ 450 ℃


Main purpose

Melt index meter can be used to determine the melt mass flow rate (MFR) or melt volume flow rate (MVR) of polyethylene, polypropylene, polystyrene, ABS, polyamide, fiber resin, acrylate, polyformaldehyde, fluoroplastic, polycarbonate and other plastic materials.Imported double - display intelligent temperature control instrument, temperature control precision is stable.


Main technical parameters

1. Standard parts parameters:

(1) cylinder parameters: the inner hole: Φ 9.550 mm ±0.025 mm

(2) piston parameters: the piston head Φ 9.475 ±0.015 mm

(3) length of piston head: H=6.35± 0.1mm

(4) mouth membrane parameters: Φ = 2.095±0.005 mm

2. Temperature control parameters:

(1) temperature control range: 80 ~ 400 ℃.(2) the precision of temperature control: ± 0.2 ℃

(3) the display resolution: 0.1 ℃;(4) large power consumption: <500W;(5) temperature recovery time: 4min

3. Location detection:

(1) ring distance between upper and lower positions: 30mm (2) control accuracy: 0.1mm

4. Equipment weight: 50kg

5. Weight accuracy: ±0.5%

6. Basic configuration: A 0.325 KG (including press bar)

B 0.875 KG

C 0.960 KG

D 1.200 KG

E 1.640 KG


Main configuration and accessories

Host machine 1pcs

One microprinter 1pcs

A full set of weights with eight grades of load

A mouth membrane Φ 2.095 ± 0.005 mm

press rod  1pcs

cleaning rods  1set

feeding funnel  1pcs

The diameter of the mouth membrane rod is one for each size

Horizontal bubble 1pcs

stainless steel tray  1pcs

connecting cables 1set

 accessory box pcs


ISO 1133 Vs. ASTM D1238
ISO and ASTM offer their standards for purchase at their respective websites.
In the world of plastics, melt flow index measures the output rate -- or flow -- that occurs in natural polymer or masterbatch over the course of 10 minutes when a piston applies a fixed amount of pressure at 190 degrees Celsius. Knowing the MFI helps manufacturers asses the viscosity of a substance to better control its processing. The International Organization for Standardization's 1133 and the American Society for Testing and Material's ASTM D1238 both serve as standards for measuring melt flow index.
 
Similarities
 
ISO 1133 and ASTM D1238 have more similarities than differences. Manufacturers consider these standards "technically equivalent," as both detail similar standards for using an extrusion plastometer, which is commonly known as a melt indexer. Both standards present tests that measure one point on the viscosity curve under controlled conditions and both express MFI in units of grams per 10 minutes. Each standard specifies orifice length and diameter, barrel temperature and piston load ratings.
Methods

  • While the ISO 1133 standard requires a five-minute preheat time, ASTM D1238 requires a seven-minute preheat time. The ISO 1133 standard has a starting point of 50 mm and entails 30 mm of piston travel whereas the ASTM D1238 method has a starting point of 46 mm and entails between 6.35 and 25.4 mm of travel. Additionally, ISO and ASTM standards propose a slight dimensional difference in the piston foot of the melt indexer.

Melt flow index

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