Table 1 MFI of typical thermoplastics for various end uses or processing methods.

From: Combining response surface methodology and measurement system analysis to identify melt flow index of hygrothermal-sensitive composites

Forming method

Typical application/methods

MFI (g/10min)

Total MFI range (g/10min)

Injection molding

Toys, household articles,

Screw caps

3–13

0.43–44.53,21

Beer cases

13–25

Mass production of household articles, non-deposit goods

25

High-speed injection

30-44.5

Extrusion

Blocks

0.05–0.15

0.05-134,21

Pipes, round bars

0.1–1.3

Films/ Blown film extrusion

0.1–0.4

Fuel oil tanks/Blow molding

0.4–0.7

Hollow bodies/Blow molding

1.3-3

Toys, household articles,

Screw caps/Blow molding

3–13

Compression molding

Profile, blocks

0.05–0.15

0.05-24

Pipes

1–2

All method

High-density polyethylene (HDPE) and isotactic polypropylene (PP)

 

0.3–0.51

Film, monofilament

Thermoplastics

 

5–154

Coating

Thermoplastics

 

< 204

3D printing

Composites, PLA

 

2.411-102,22