Composite Rubber vs. Standard Rubber Diaphragm Filter Plates: Key Differences Explained

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Performance Comparison: Rubber vs. Polypropylene (PP)

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Natural Rubber Composite Filter PlatesPolypropylene (PP) Filter Plates
Elasticity & FlexibilitySuperior – Excellent recovery after compressionModerate – More rigid, less flexible
Chemical & Corrosion ResistanceExcellent – Performs well in various chemical environmentsGood – Resistant to many acids and bases, but susceptible to some solvents
Typical Service Life5–6 years (with proper maintenance)1–3 years
Impact & Abrasion ResistanceHigh – Withstands physical stress and abrasive slurriesModerate – Can become brittle over time
Cost of Ownership (Long-term)Lower – Longer lifespan reduces replacement frequencyHigher – More frequent replacements increase total cost


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