Polyurethane Sieve Plates
High wear-resistance screening media cast from polyurethane raw material, built for coal classification, ore selection and other abrasive separation duties.
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Durable screening surfaces for abrasive material
Polyurethane sieve plates are produced from polyurethane raw materials and supplied with a choice of hole shapes — strip, rectangular, circular and square — so the aperture pattern can be matched to the screening task and the feed material.
Because the elastic polymer surface flexes under impact, it absorbs rather than transmits the energy of coarse feed. That is why plates in this range outlast metal sieve plates in service, and why installations run noticeably quieter with less airborne dust.
Typical duties include coal classification and ore selection, where repeated contact with sharp, hard particles would quickly wear a rigid metallic screen.
Service life and working conditions
Figures below describe normal operating conditions for polyurethane sieve plates compared with metal sieve plates.
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Material
Cast from polyurethane raw material, with a surface that resists the abrasion generated by hard, sharp feed particles.
Noise and dust
Noise is reduced by 5–20 decibels and dust pollution is minimised compared with metal screening media.
Applications
Suited to coal classification and ore selection, along with other material separation duties in mineral processing.
Available hole shapes
Plate perforation is selected according to the screening application and the size of the material being separated.
| Hole shape | Typical use | Notes |
|---|---|---|
| Strip | Long narrow apertures for graded separation | Cast from polyurethane raw material |
| Rectangular | General-purpose screening decks | Straight-sided openings, rigid flat profile |
| Circular | Round-hole separation of granular material | Evenly distributed aperture pattern |
| Square | Precise size classification | Uniform aperture geometry across the plate |
Related catalogue items include polyurethane sieve mesh, rubber sieve plates, mine sieve mesh and ceramic filter plates.
Discuss your screening requirements
Send the aperture shape, feed material and duty conditions for your screen and we will prepare a proposal for polyurethane sieve plates.