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PVC Sealing Strip for Industrial Applications 1
PVC Sealing Strip for Industrial Applications 2
PVC Sealing Strip for Industrial Applications 3
PVC Sealing Strip for Industrial Applications 4
PVC Sealing Strip for Industrial Applications 1
PVC Sealing Strip for Industrial Applications 2
PVC Sealing Strip for Industrial Applications 3
PVC Sealing Strip for Industrial Applications 4

PVC Sealing Strip for Industrial Applications

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    Desipti


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    Sealing strip is a product that seals something so that it is not easy to open, and plays the role of shock absorption, waterproofing, sound insulation, heat insulation, dustproofing, and fixation. The main ingredient is polyvinyl chloride, and other ingredients such as plasticisers are added to enhance its heat resistance, toughness, ductility, etc. PVC sealing strips are easy to form, recyclable and reusable. Sealing strips are available in rubber, paper, metal, plastic and other materials. PVC sealing strips The price is relatively low, due to the different quality of low-end products because of the use of waste, substitute plasticisers and high filling amounts, which result in poor elasticity of the rubber strip, making it easy to harden, with a nasal smell, and prone to migration that can make the frame material yellow, leading to a short service life. A small number of low-level price competition in the door and window enterprises are still in use. Medium and high-end PVC adhesive strips can reach the standard index, and the service life is relatively long.

    Inferior PVC Seals Symptoms of their products:

    1. There is a phenomenon of oil seepage precipitation on the surface; waste engine oil and PVC are not soluble at all, the surface of the sealing strip is prone to grease, and the surface of the light-coloured wooden door stall and door leaf is also stained with yellow traces, resulting in product pollution, and even not environmentally friendly. There are many volatile substances that pollute the air.

    2. When the so-called plasticiser volatilises or exudes, the sealing strip will lose its original softness, become very stiff, and quickly age, leading to shrinkage in length and broken sections, creating large gaps in the airtight parts of the wooden door, resulting in poor airtightness (water leakage, dust leakage), until the loss of sealing sound insulation effect, increasing the cost of air conditioning and heating, without buffering effect, greatly reducing the life of the wooden door.

    1. Smell with your nose for any peculiar odour; the general PVC sealing strip will have a very pungent smell, while the normal silicone rubber sealing strip will only have a slight mellow smell, which is very faint, almost inaudible.

    2. At the same time, place the PVC sealing strip and the silicone rubber sealing strip in the refrigerator freezer for a few hours; the PVC sealing strip will become very stiff and easy to break, while the physical properties of the silicone rubber sealing strip will not change. There is no significant change in the physical properties of silicone rubber at -50°C.

    3. There will be many cheap sealing strip fillers, so the surface will not be very bright, the colour will be dull, the broken section of the sealing strip will be very rough, the feel is stiff, and the stretching is almost inelastic; the silicone rubber sealing strip is bright in colour, soft to the touch, and very elastic when stretched, and when the sealing strip is cut off, the broken section becomes delicate and shiny.

    4. Combustion: the PVC sealing strip will bubble and shrink when burning, emitting black pungent smoke, insufficient combustion, and leaving hard plastic residues.


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