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How to determine the quality of the sealing strip

2019-02-16 15:38:30

How to determine the quality of the sealing strip



The main performance of EPDM products: non-toxic, environmentally friendly, anti-aging, high temperature, stable performance, good performance in summer and winter.
1. The steel skeleton is three composite, not easy to deform and shrink, and the assembly is firm and the sealing is good;
2, the door, window, curtain wall with sealing strip, the product has good elasticity, migration resistance, can effectively block noise, dust, weather.
Performance and harm of inferior rubber strips:
1. Appearance of surface oil leaching occurs. The waste engine oil applied to the rubber strip is not compatible with PVC at all. The surface of the sealing strip is prone to oil and grease, and the surface of the profile is also stained with yellow. Not even environmentally friendly, there are many volatile substances that pollute the air.
2. When the so-called plasticizer volatilizes or oozes out, the sealing strip loses its original softness, becomes very hard, and quickly ages and shrinks, so that a part of the closed door and window has a large gap, and the airtightness changes. Very poor (water leakage, dust leakage), especially the steel lining inside the plastic steel doors and windows will be quickly corroded, many users often find that in the rainy season, a lot of red liquid is dirty from the beading part inside the window, that is, the door and window leaking steel lining When it is corroded early, the life of doors and windows will be greatly reduced.

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