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New standard of profile of window of our country plastic door is about to promul

From;    Author:Stand originally

Current, our country already became the plastic door window is the biggest production country on the world and consumptive state. But long-term since, in the process of produce and sale of plastic door window, this industry all the time of continue to use is the GB/T8814-1998 standard that 90 time establish last centuries. According to our country plastic door window produces actual state of the level, the standardization degree of this one standard is inferior, the situation of trade of plastic door window of apparent already incommensurate rapid now progress. For this, committee of technology of countrywide goods standardization is plastic branch undertook editing afresh to this one standard, what obtained a country to concern a section is authorized.

As we have learned, new bid brigadier is carried out in the round. New standard and old standard photograph are compared, the standard that conforms with international rises substantially. Clear distinction depends on around: The first, raised profile curve stretch model quantity, from original 1960 standards the volume increased 2200 standards amount; The 2nd, differ according to using the climate of the area, undertook profile classificationing. It is to the drop hammer concussion of H class profile among them below the circumstance with drop hammer quality and peen changeless radius, drop hammer height from before1 meterRise1.5 meters. This is meant increased drop hammer impact strength 50% , make profile is opposite in specific climate area thereby fragile the endurance that cracks breakdown increases greatly, make the security of plastic door window is able to rise greatly; The 3rd, of will plastic profile be able to bear or endure ageing time was lengthened. This is a when ask to plastic profile quality revolutionary change undoubtedly. Once product standard is achieved, the service life that prolongs plastic door window greatly.

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