On the one hand, the hardware toolbox is conducive to the placement of a series of tools such as hardware, which is convenient for everyone to use; on the other hand, the use of the hardware toolbox can also ensure the storage of hardware tools and prevent the loss of hardware tools. So, as far as the hardware toolboxes on the market are concerned, are the prices of hardware toolbox brands high, how to choose some hardware tools?
Is the price of the hardware toolbox brand high:
Judging from some types of hardware toolboxes that are currently on the market, the prices of ordinary hardware toolboxes are generally concentrated below 55 to 1,000 yuan. Although the prices of this type of hardware toolboxes are relatively low, they are generally The service life may not be as long as you think. Compared with general-quality hardware toolboxes, the prices of some better-quality hardware toolboxes are mainly floating at 1,000 yuan and above. Although the price of such hardware toolboxes is more expensive, their design and quality are more Is more reliable.
How to choose some hardware tools?
1. Hardware handle of hardware tools: used in casement windows. The main function is to press the window sash tightly against the window frame after the side-opening window sash is closed to achieve the sealing effect. Consumers should pay attention to observe the smooth surface, no burrs, the weight of the hand palm, and the uniform coating surface. 2. Hinge: used to open doors and windows. Consumers can observe the material of the hinge when purchasing, which is made of copper, iron-plated copper, stainless steel, aluminum alloy extrusion materials, etc., and should not use zinc alloy cast hinges.
3. Hardware sliding support of hardware tools: a device that supports opening and closing and positioning of sash windows. Consumers should choose stainless steel materials when purchasing, the surface should not have scratches, edges, burrs and other defects, when the sliding support is opened and closed, there can be a little resistance.
4. Hardware pulley of hardware tools: bear the weight of each sliding door and window, and move horizontally. Consumers should pay attention to the material of the pulley frame and whether the pulley adopts needle bearings or ball bearings. For the pulley for sliding doors, heavy pulleys for doors should be used, and the pulley for sliding windows should not be used instead.
5. Half-moon lock for hardware of hardware tools: Most of them are hook locks between fans. Consumers should choose stainless steel or aluminum alloy.
Although hardware tools are relatively common. It is also easy to buy. However, after using the hardware tools, everyone also needs to pay attention to keeping good hardware tools. Although the loss of some hardware tools will not cause great obstacles for everyone, but if the work you are doing is closely related to hardware tools, the importance of hardware toolboxes is self-evident.
Our sodium chlorite is used in textile industries also, and sodium bisulfate is a by-product. On the other hand, we provide formulated products used in bleaching, dying, etc. For example, ammonium persulfate, Potassium Persulfate and Sodium Persulfate.
1. ammonium persulfate
Application: Ammonium persulfate is a strong oxidizing agent and can be found in a wide variety of industrial and consumer uses. It appears as a white crystalline powder but may be formulated into cream preparations.
♦ disinfectants and bleaches
♦ bleaching agent for hair colourant and lightener formulations
♦ bleaching and strengthening agent for flour in the baking industry
2. potassium persulfate
This salt is used to initiate polymerziation of various alkenes leading to commercially important polymers such as styrene-butadiene rubber andpolytetrafluoroethylene and related materials.
It is used in organic chemistry as an oxidizing agent, for instance in the Elbs persulfate oxidation of phenols.
As a strong bleaching agent, it is used in hair dye substances as whitening agent with hydrogen peroxide.
It is a Food Additive.
3. sodium persulfate
(1) Used in cleaning and picking of metal surface.
(2) Used in accelerated curing of low formaldehyde adhesives.
(3) Used in modification of starch , production of binders and coating materials.
(4) Desizing agent and bleach activer.
(5) An essential component of bleaching formulations for hair cosmetics.
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