Bluestone reagent a bit is common rolled steel apparently, the meeting inside 10 seconds is erubescent.
The faucet of similar standards, of pure copper alloy weigh 202 grams, those who be not pure copper alloy have 148 grams only.
? Former deputy director general of bureau of city qualitative inspect, " science and technology makes a holiday the first person " Lv Changfu teachs a citizen to discern faucet quality stand or fall.
The quality stand or fall of faucet, can affect the use of consumer not only, return the health that may affect customer. How to discern the quality stand or fall of faucet? Former deputy director general of bureau of city qualitative inspect, " science and technology makes a holiday the first person " Lv Changfu excogitated a few kinds not to open faucet structure to be able to discern the subtle move of quality stand or fall.
Market research
Quality is uneven, price difference is severalfold
Lv Changfu used time of several years to undertake investigating to faucet market, developed relevant test. He discovers, the price of the faucet on the market differs to on 1000 yuan from ten yuan, quality is more uneven, shoddy phenomenon is serious.
On the market, the faucet quality of make it of material of high grade copper alloy is best, the price also is faucet of aluminium alloy of common rolled steel, zinc is very consummate and severalfold, decuple.
Lv Changfu explains, copper alloy faucet quality is good, because eletroplate with the product that makes brassily,be quality has assure, faucet rusts not easily. In addition, copper pledges faucet still has effect of antiseptic, disinfection.
Lv Changfu in the market choose and buy much money " copper alloy " faucet has a test, result discovery, the material of many faucet is not copper alloy character, however zincic aluminium alloy or common rolled steel, some faucet components were used even plastic pretend to be. Affect not only use, and aluminous Yi Rong is solved at water, pollute water quality easily.
Additional, rolled steel faucet is easy and rustily, pollute water quality, cause slack. Plastic component can be used of influence faucet normally, shorten the service life of faucet.
The expert is raised action
For the quality stand or fall of comprehensive resolution faucet, lv Changfu combines market research and experimental result, excogitated 7 subtle move. Consumer is when faucet of choose and buy, can enrol according to needing actually to go out.
Consumer of weight of 1. weigh in hand is when faucet of choose and buy, the method that can use weight of weigh in hand undertakes differentiating. Normally for, the body of a powerful person of high grade faucet, handle uses brass to refine entirely, self-prossessed heavier, have dignified feeling. Especially the common faucet with commonly used family and washing machine faucet, the weight of complete copper faucet is 200 grams left and right sides, and the faucet weight of zincic aluminium alloy is controlled in 150 grams normally, both weight differs bigger.
2. check magnetic force examines the magnetic force of faucet, need two tools. One is the door with family expenses commonly used door is sucked, another is small strong magnet that is like size of grain of rice.
Cannot be sucked by the door puissant adsorption, but can suck strong magnet of piece of attached primary school, the capable person that shows faucet has weak magnetism character, it is the copper alloy with better quality normally, or austenite stainless steel. But those who need an attention is, of plating nickel plastic also have weak magnetism, need differentiates further.
3. tries hardness consumer to be able to use acerb awl, go exploring on faucet the place hardness that does not affect exterior trim result. Always can break those who give an alveolus easily, this component may be plastic. Because plastic hardness is far under metallic copper, stainless steel, even zincic aluminium alloy.
4. Cha Rong nods consumer to be able to do a test with lighter. With component of lighter combustion faucet, appear fused, even flaming component is plastic. Lv Changfu explains, cupreous material eletroplates a melting point is high, thermal capacity is large, after burning with lighter, obliterate exterior smear, still if brightness is new. And plastic a melting point is low, easily fused, combustion.
5. sees burnish of colour and lustre or the shadow that observe faucet, for instance faucet interface, faucet gives the seat such as water mouth. Normally the circumstance falls, copper alloy colour and lustre shows yellow, stainless steel and zincic aluminium alloy show silvery white.
6. nods reagent can by magnet puissant adsorption, and with bluestone reagent a bit bright and clean surface, 3 minutes of or so ability will be erubescent for high grade stainless steel, copper alloy faucet is long won't erubescent.
7. measures intensity to use the body of a powerful person of both hands handholding faucet and handle, in hour hand of positive and negative two directions endeavor to turn faucet, always be pulled to move in ultimate position, the strength that shows faucet may have a problem.
