Fire-proof material for producing doorframe, window frame and door
A fire-resistant material and window frame technology, which is applied in building materials, sustainable waste treatment, solid waste management, etc., can solve the problems that environmental protection building materials should not be used in large quantities, and achieve the effects of long service life, ecological environment protection, and wood resource saving
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Embodiment 4
[0032] Production of fire doors:
[0033] Composition: 5kg of light burned magnesium, 25kg of brine, 1kg of wood chips or corn stalk (crushed), 1kg of asbestos, 0.5kg of glass fiber, 0.5kg of graphite, and 2kg of talc.
[0034] production method:
[0035] (1) Add the corn stalks to the reaction tank according to the above ratio, add brine and stir for 20 minutes at 25°C, then add other raw materials and stir for 40 minutes, until it becomes a paste for later use;
[0036] (2) Put 1 / 3 of the paste into the entry mold, then add the glass fiber mesh, and its size (add according to the requirements of the door, then add 1 / 3 of the paste, and so on; glass fiber mesh 2-3 layers can be added according to customer needs.
[0037] (3) Use 5kg / cm 2 Press die press for 5 minutes and leave it for 5 hours to demold.
[0038] Test result: The door produced can be sawed with a common saw, both planing and nailing. The fire resistance limit is equal to 3 hours; the impact strength is equal to 3Rgf / ...
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