Application of Rotomoulding
Economical pulverizing with PolyGrinder type PMMI for the Rotation Moulding industry
Rotational moulders need a high quality powder with:
- Controlled fineness - between 150 and 500 µm. (100 and 35 mesh)
- Good flowability - within 24-30 seconds.
- High bulk density - over 350 g/l.
Powder quality defined under DIN 53492 and ASTM 1895
Controlled Fineness - between 150 and 500 /µm. (100 and 35 mesh)
Measured on different screen meshes
- Uniform material distribution.
- Short cycle times (heating and cooling phases).
- Low dust contamination when pouring the powder.
- Smooth surfaces of the produced items.
Good flowability - within 24-30 seconds.
Flowability is the time a defined powder quantity needs to flow through a defined cone.
- Optimum distribution even in complex moulds.
- Uniform wall thickness of the produced items.
- Quick and easy filling of the moulds.
High bulk density - over 350 g/l.
Bulk density is a measure of the weight per unit volume (g/l).
- Result of a quality powder with round shape.
- Material and weight saving.
- Better and easier to dose
-
Powder with round shape
Hight Bulk Destiny -
Non homogeneous powder with tails
Low Bulk Destiny
PMMI - 500S
High quality powder with PolyGrinder
- Good particle size distribution
- Good particle shape
- Good bulk density
High quality powder with round shape. Typical for PolyGrinder type PMMI
High quality powder to avoid pin-holes
- Reduction of the number and size of bubbles and pin-holes
- Better Wall-density and surface quality
Rotomoulding
Quality powders for Rotational Moulding with PALLMANN Pulverizers
Technical Data
| Sr. No. | Model | Main Motor (kW) | Total Connected Load (kW) |
Rotor Diameter (mm) |
Screen | Output Range (Kg/Hr)* |
|---|---|---|---|---|---|---|
| 1 | PMMI 300 | 30 | 38 | 300 | 20 Mesh 24 Mesh 30 Mesh |
160 - 200 125 - 175 80 - 125 |
| 2 | PMMI 450 | 45 | 55 | 450 | 20 Mesh 24 Mesh 30 Mesh |
250 - 300 200 - 250 150 - 200 |
| 3 | PMMI 500 | 55 | 65 | 500 | 20 Mesh 24 Mesh 30 Mesh |
300 - 400 250 - 350 200 - 300 |
| 4 | PMMI 600 | 75 | 87 | 600 | 20 Mesh 24 Mesh 30 Mesh |
500 - 600 450 - 550 400 - 500 |
| 5 | PMMI 800 | 110 | 129 | 800 | 20 Mesh 24 Mesh 30 Mesh |
700 - 850 650 - 750 600 - 700 |