With the popularity of solid wood flooring, more and more families have begun to use wood flooring. Unlike other floors, wood floors need to be refurbished and maintained for a period of time. Generally, they must be refurbished in 5 years depending on the frequency of use.
After many years of use, many wood floors have looked very poor. Many people would like to remove the floor and renew the floor. This is actually not a wise decision. Because the wooden floor is only surface grinding, the wood is still a good wood, especially after many years of use, the wooden floor has become very stable, the new wooden floor is not as good as the old floor in this respect, the renovation is only polished away from the surface of 1 to 2 mm . And the renovation of wooden floors is cheaper than new floors, and it is economically cost-effective.
At present, the technology for sanding and refurbishing floors has been improved a lot. It is no longer a guerrilla style with a small sanding tool to dust the customer's home. It takes many talents to finish and uses advanced grinding machines. Without a dusty environment, the old floor can be renewed in 1 to 2 hours.
According to the Swedish Bona Polishing experts, the following points should be noted for refurbished floors:
1. Grind the sandpaper from 40-, 80-, and 120-mesh sandpaper gradually to ensure that the surface of the floor is delicate and smooth.
2, after grinding, be sure to putty, this can ensure the true nature of the floor, the floor will not be scratched.
3, floor paint should use environmentally friendly water-based floor paint, this will not make the room smell, floor paint must be a special floor paint, its wear can meet the requirements of the floor.
Flooring Revolution: Solid Wood Floor "Worry Free" Installation Method
Solid wood flooring has become a leader in floor decoration materials because of its natural, beautiful, durable, and non-polluting characteristics. However, due to the obsolescence of the laying process of solid wood flooring, the complaint rate of solid wood flooring remains high, affecting to a great extent. The market share of solid wood flooring. The renovation of the laying technology of solid wood flooring has become a top priority.
A solid wood flooring installation method using the "floor music - detachable solid wood floor track (patent number: ZL01221095.1)" was born.
The installation principle of “Solid wood flooring installation with no hassle†is: using special metal clamps to clamp the solid wood floor on the aluminum alloy track, the fixture and the floor can slide horizontally on the track; the floor stays 10-15mm clearance from the wall, and uses the spring To withstand the floor, you can overcome the normal expansion and contraction of solid wood flooring. After installation, the floor and the track form a whole, which can better distribute the gravity received by the floor surface throughout the ground.
Worry-free installation method advantages
The main material of the track is made of aluminum alloy and alloy spring steel, which will not cause corrosion or deformation.
If the leveling of the ground is poor, no special ground leveling process is required. There are semi-rigid elastic materials on the lower part of the track. For leveling, special fillers can be used for leveling and fixing.
There is no need to drill holes in the ground and do not break the structure of the building. Geothermally-heated ground and pipelined ground can all be used.
When installing, do not use nails to fix the floor. The floor is not damaged and can be reused after disassembly.
The floor is fixed in the vertical direction of the track, and it can slide freely in the uneven direction. It will not cause arching joints due to the normal deformation of the floor, and will not cause loosening and shedding.
Fast installation, easy disassembly, installation efficiency up to 15-20 square meters/day.
This product can be used for all kinds of solid wood flooring that meet the national standard 榫 ground plate GB15036-94.
Currently, it has been widely used in Tianjin, Shanghai and other places. The Beijing area will immediately begin to promote its use.
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At present, in the process of isolation and preparation of various stem cells from various tissue sources, Centrifuge Tubes with a volume of 15ml and 50ml are used.
It is one of the low-value consumables with high usage rate. It is generally installed on a dry foam rack with the package or in bulk. When used, it is taken out by the operator and placed on the plastic centrifuge tube rack in the ultra-clean workbench. The common centrifuge tube rack can only make the centrifuge tube stand upright. When transferring liquid or needing centrifugation, the operator should hold the centrifuge tube in the left and the night gun or aspirator in the right. If it is necessary to transfer a large amount of liquid reagents or perform gradient centrifugation operations, such as density gradient centrifugation to separate mononuclear cells, the operator needs to hold the centrifuge tube with the right hand for a long time and tilt the centrifuge tube, which often causes the operator's wrist joint pain. At the same time, it will also affect the liquid superposition effect, which will easily lead to the mixing of liquids of different densities, resulting in the failure of the experiment.
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