The types, specifications, performance and requirements of hardware, fasteners, reinforced steel and metal plate used in plastic steel doors and windows shall comply with the relevant provisions of the current national standards. The variety, specifications and quality of the glass shall comply with the provisions of the current national product standards and have a product certificate. Tempered glass must be used for a single piece of glass larger than 1.5 m2.
The specifications and models of plastic-steel windows should meet the design requirements. The quality and mechanical properties of the windows meet the requirements of the current national standards and have a factory certificate. The three basic physical properties of the window, such as wind pressure resistance, air penetration and rainwater infiltration, shall comply with the requirements and design requirements of the three performance classifications in the current national standards, and shall be accompanied by the quality inspection report of this grade.
The plastic steel profiles we see are made of polychlorohexene resin as the main raw material, plus a certain proportion of stabilizers, colorants, fillers, UV absorbers, etc., after extrusion molding, and then through cutting, welding or screwing. The connection method is made into a door and window frame fan, which is equipped with a sealing strip, a top strip, a hardware, etc., and at the same time, to strengthen the rigidity of the profile, a steel lining needs to be added in the cavity of the profile exceeding a certain length.
Fixed Barrel Twin Screw Extruder
Pvc Granule Making Equipment,Compound Extruder Machine,Double Screw Compounding,Compounding Extruder Line
JIANGSU XINDA TECH LIMITED , https://www.xindaextruder.com