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Why Does Polyurethane Screen Edge Leakage Happen? – Causes & Solutions
What Causes Polyurethane Screen Edge Leakage?
Polyurethane screen edge leakage is a serious issue that can result in unqualified materials and, in severe cases, require re-screening. This problem significantly impacts a company's economic interests and reputation. So, what causes polyurethane screen edge leakage? Below, HUATAO—a leading plastic products manufacturer—explains the key reasons.
Main Causes of Polyurethane Screen Edge Leakage
There are three primary reasons for edge leakage in polyurethane screens:
Substandard Screen Quality – Poor material or manufacturing defects can lead to premature wear and leakage.
Improper Installation – Incorrect installation methods cause uneven tension, leading to gaps and leaks.
Lack of Maintenance – Neglecting regular checks and adjustments accelerates wear and tear.
1. Irregular Installation: A Common Issue
Many screening companies overlook proper installation techniques, assuming experience alone is sufficient. However, polyurethane screens evolve with technology, and even minor differences in design require updated installation methods.
Common Installation Mistakes:
Forcing the Screen Out: Some operators forcefully remove old screens, causing frame damage and uneven tension.
Ignoring Surface Debris: Failing to clean the screen frame and surface before installation leads to poor sealing.
Improper Tensioning: Uneven tightening of bolts and tension plates creates weak spots where leakage occurs.
Correct Installation Steps:
Remove old screens carefully without damaging the frame.
Clean the frame surface and edges to ensure a smooth fit.
Lay the new screen evenly, ensuring full contact with the frame.
Tighten tension plates and bolts gradually to maintain uniform pressure.
2. Low-Quality Polyurethane Screens
Not all polyurethane screens meet industry standards. Inferior materials or poor craftsmanship result in:
Faster wear and tear
Reduced screening accuracy
Higher risk of edge leakage
Solution: Always purchase screens from reputable manufacturers like HUATAO, ensuring durability and performance.
3. Poor Maintenance Practices
Regular maintenance is crucial to prevent edge leakage.
Key steps include:Inspecting screens for wear and tear
Re-tensioning loose bolts
Cleaning debris to prevent clogging
Conclusion
Polyurethane screen edge leakage can be avoided by using high-quality screens, following proper installation procedures, and maintaining screens regularly. HUATAO provides industry-leading polyurethane screens and expert guidance to help companies optimize their screening processes.
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Annie Lu
Huatao Group
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