As the saying goes, people are "three-point appearance, seven-point dressing", indoor steel doors are also the same "three-point quality, seven-point installation", which shows the importance of installation; the quality of the installation determines the use of steel doors How to install steel wood doors to prevent the following four points:
First, to prevent the gap from being too big or too small
The temperature difference in each area is different, so we should reasonably adjust the gap between the steel door and the door cover and the door hole according to the actual situation. Do not cause excessive gaps due to too much shrinkage. This will not only make the interior door not soundproof, but also cause the door frame to loosen; if it is too tight, it may cause friction between the door leaf and the floor and door cover.
Second, we must pay attention to the unevenness of the ground
The uneven ground will cause the bottom corner of the steel-wood door to scratch with the ground. Therefore, pay special attention to the lifting feet of the door leaf and the ground during installation. The tooling is generally 1.5 cm in hanging feet and 1 cm in hanging clothes.
Third, not only must use the wooden tip to fix the door cover, but also use fixed iron to fix the door cover
The door cover and the door hole need to be fixed by the wooden tip. This is a must, but many masters do not need to fix the iron piece to fix the door cover in order to save trouble. It is considered that only the expansion glue (foam glue) is needed, in order to save trouble. It often causes the door cover and the wall to loosen.
Fourth, to suspend the line (keep the door leaf naturally vertical)
It is necessary to hang the vertical line when installing the door. Now the tool is developed, and the infrared vertical line can also be used, so that the door can make the door more beautiful, and the door leaf is not easy to scrape between the ground and the door cover. [ Follow the WeChat public account "Jiuzhengmen Window Network"; pay attention to courtesy, scan code to send millions of business opportunities! Jiuzhengmen window network exchange group ]
Chemical intermediates and chemical raw materials
Guanidine nitrate is a white crystalline solid. Soluble in water. Takes some effort to ignite but once ignited it burns with increasing vigor as the fire progresses. If contaminated with combustible materials it accelerates their burning. Prolonged exposure to fire or heat may result in an explosion. Produces toxic oxides of nitrogen during combustion.
Guanidine nitrate is a strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant.
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