Gaskets are not given the importance which they deserve because of the fact that they are not very much costly. Normally they are overlooked, but capture attention only when problem arises and at that time you need to deal with heavy maintenance costs and this appears as a great issue in the long run. The main function of gasket is to deliver robust seal. Gasket is all about dealing with the imperfections that arise between surfaces that mate. External factors are used for the purpose of compressing gasket into the irregularities that are present between surfaces that meet.
One of the key properties that should be expected from any window or door is the ability to keep the heat in a building and the cold and wet weather outside. Flexible glazing seals are used in window and door frames to ensure that the outside weather is keep exactly that, outside. However, over time, glazing seals can become weathered and will eventually fail, needing to be replaced altogether, or at least repaired.
Polychlorotrifluoroethylene (PCTFE or PTFCE) is a thermoplastic chlorofluoropolymer with the molecular formula (CF2CClF)n, where n is the number of monomer units in the polymer molecule. It is similar to polytetrafluoroethene (PTFE), except that it is a homopolymer of the monomer chlorotrifluoroethylene (CTFE) instead of tetrafluoroethene. It has the lowest water vapor transmission rate of any plastic.