The effect of temperature on the use of plastic seals
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Update time : 2022-09-14 11:25:55
Plastic seals are also known as self-locking plastic seals, weather-resistant plastic seals, and the like. Due to the particularity of the product, plastic seals are more particular about their molds, injection molding processes and materials. Plastic seals are the straps for tying things, which can be tied tighter and tighter, and there are also detachable cable ties (live buckles).
Widely used in electronics factories, bundling TV sets, computers and other internal wiring, fixing of lighting, motors, electronic toys and other internal circuits, fixing of oil pipelines of machinery and equipment, packaging or bundling other objects, and can also be used in agriculture, handicrafts, etc. Bundle items. The plastic seal seals the filled bag in a one-way self-locking way to seal it. A brief introduction to the influence of the temperature on the use of plastic seals in common places.
1. The plastic seal is hygroscopic. Do not open the package before use. After opening the package in a humid environment, try to use it up within 12 hours, or repackage the unused plastic seal to avoid affecting the use of the plastic seal. Tensile strength and rigidity.
2. When operating, use the tightening force, which cannot exceed the tensile strength (pull force) of the plastic seal itself.
3. The circle diameter of the object to be bundled should be smaller than the circle diameter of the plastic seal, and the remaining length of the belt body after tying up should be 80MM. Plastic seals can maintain excellent mechanical properties and thermal aging resistance in the temperature range (-40~120℃)
4. The effect of humidity on plastic seals: plastic seals can maintain excellent mechanical properties in a humid environment. Plastic seals have hygroscopicity, increased humidity (water content), and higher elongation and impact strength, but tensile strength. and stiffness gradually decreases.
5. Electrical properties and flame retardancy: The plastic seal has good insulation, the electrical rated temperature is less than 105 degrees without affecting its performance, and the flame retardancy reaches the UL test 94V-2 level.
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