Performance Description

in Here is your first Forum Wed Nov 08, 2017 9:22 pm
by concretemixer • 200 Posts | 2264 Points

Performance Description
1 wind pressure performance: closed outside doors and windows in the wind pressure, without damage and dysfunction ability.
2 watertightness: the closed outside doors and windows in the wind and rain at the same time, to prevent rainwater leakage capacity.
3 Airtightness: The ability of the closed golden film laminated upvc window profile
exterior doors and windows to prevent air infiltration.
4 unit length of air infiltration length: Outside the doors and windows in the standard state,
the amount of air per unit length of sewing through the unit, in units of m3 / m · h.
5 Thermal Insulation: The ability of a door or window to transmit heat from the high temperature
side to the low temperature side in the presence of air temperature differences on both sides of
the door or window. Door or window insulation performance with its heat transfer coefficient or heat transfer resistance.
6 Heat Transfer Coefficient K0: The air temperature difference between the doors or windows is 1K
(absolute temperature) under steady heat transfer conditions, and the heat transfer per unit area in W / m2 · K.
the differenceplastic profile for casement window and door
Plastic doors and windows are made of steel profiles of windows and doors, steel profiles are made of plastic and steel profiles made.
Plastic doors and windows U-PVC plastic

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