With the continuous improvement of people's living standards, wooden floor is the first choice for the decoration of the living room. It is luxurious and practical, reflecting the owner's different home taste. However, wood flooring is prone to corrosion, soaking, and insect infestation. How to avoid these problems?
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The first is selection. At present, the wooden floors sold on the market generally have undergone three processes of high-pressure drying, shaping, and painting, so that the various woody insects and eggs that are present in wood have been basically eliminated. When selecting, only those who have no insect eyes and molds must be selected. The scars and moisture content can reach the national standard specification (about 8% to 13%). In addition, it is better to choose hardwood tree flooring with less deformation.
Before the construction, it is best to enter the floor in advance and put the box in a well-ventilated place to ventilate and ventilate.
First, it can release the paint taste of wood floors;
The second is to reduce the moisture brought by the rainy weather to the wooden floor through ventilation, so as to reduce the problems such as distortion, drumming and seam width that may occur during use.
Third, after the wooden floor is laid, it is best to wax after use for a period of time. It is also called sealing wax. In this way, the residual moisture in the construction can be evaporated as much as possible to extend the service life of the wooden floor.
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Yongyue cryo vials are made of medical grade polypropylene (PP) and have no endotoxin. They are disposable laboratory consumables specially used for storing biological samples.
The anti-slip texture of the cap and body is easy to screw cap.
The tube cap has an O-ring built-in gasket to prevent liquid leakage.
The cryo tube is suitable for ultra-low temperature refrigerators, and the tolerance temperature is -86~121 °C, and it can be repeatedly frozen and thawed.
In the gaseous state of liquid nitrogen, it can withstand low temperature to -167 ℃.
According to different requirements, there are ordinary grade and PCR grade. PCR grade products are free of DNase, RNase, endotoxin and foreign DNA. Sterilized by gamma irradiation, sterile.
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