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A blade is a part of a tool, weapon, or machine whose edge is designed to pierce, cut, or scratch the surface of a material. Blades can be made of materials such as flint, metal (usually steel), ceramics or other materials. Blade is one of the oldest tools of human beings, and has been used for combat, food preparation and other purposes.
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According to tests, color also has a certain influence on radioactivity. Red and green have the highest radioactivity, white and black are the lowest. Therefore, red, brown, green, or granite with red spots should be carefully selected. In addition, China's stone is divided into A, B, and C according to the level of radioactivity. According to regulations, only Class A can be used for home interior decoration.
Section 2 Purchase Notice: Be sure to sign the contract to open the invoice to purchase the stone. Be sure to sign the contract, develop the ticket, and ask the seller to specify the name, specification, grade, quantity and price of the product in the contract. Standard test. It is advisable to provide product certification, an inspection report certified by the statutory authority or a product radiation certificate. If conditions permit, the sample will be sent to the testing department for testing.
Pay attention to preventing the use of misleading marketing phrases such as “International Class A†and “Special Grade Stone†used by some businesses.
The third quarter to use: strengthen the ventilation dilution dilution After laying stone, pay attention to dilute the pollution, the easiest way is to strengthen the ventilation. The room that has just been renovated is best to be checked by a professional organization. If the test is not qualified, you can use radiation-reducing paint or install lead-free protective plates to prevent the release of earthworms from building materials. If the radioactive index is too high, the stone must be replaced immediately.
Question in class: How to identify finished decorative stone?
A: Identify from four aspects: a "view", that is, the naked eye to observe the surface structure of the stone. In general, the uniform fine material structure of the stone has a delicate texture, and it is a good product for the stone. In addition, due to geological effects, the stone often produces some fine cracks. The stone is most likely to break along these parts and should be removed. The second "quantity" is the size of the stone, so as not to affect the stitching. Three "listen", that is, to listen to the knocking sound of stone, in general, the sound of a good quality stone is crisp and sweet. Four "trials" usually drop a small amount of ink on the back of the stone. If the ink quickly spreads around, it indicates that the internal particles of the stone are loose or there are gaps. The quality of the stone is not good. If the ink drops are not moving, it means that the stone is it is good.
Q: If the kitchen countertops are made of stone, what kind of economical, applicable, and environmentally friendly? How to connect the stone to the cabinet?
Answer: It is recommended to use "Fengzhen black" which passed the Class A test. The stone is placed flat on the cabinet. If the countertop requires slate stitching, use transparent glass glue.
Talking about the selection of stone in home--whether marble has radiation
The first section of the selection criteria: should choose marble marble stone and granite are two. The radioactivity of marble is generally lower than that of granite, and most of it can be used for interior decoration. However, granite is not suitable for indoor use, especially in the bedroom, the elderly, and children's rooms.