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  • Rotational Moulding Applications

Rotational Moulding Applications

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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

Size Reduction Machinery

  • Masterbatch & Compounding Applications
  • Rotational Moulding Applications
  • Pipe & Profile Grinding & Pulverizing
  • Rubber Grinding & Pulverization
  • Pulverization through Cryogenic Process
  • Precision Grinding of Cellulose Sheets & Linters

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802, Shivalik Shilp, Iscon Cross Road, S.G. Highway, Ahmedabad - 380058, Gujarat, India.

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