PPR pipe fittings whether or not simple discrimination

PPR pipe fittings whether or not simple discrimination
A coin can be used to distinguish the good and bad, the following on the PPR pipe manufacturers to introduce. PPR pipe, also known as type three polypropylene pipe, that is, hot and cold water pipes, is essential for the public home improvement. The current market on the real PPR pipe fittings imported from abroad, the price is higher, a ton of about 12 thousand. PPR pipe has the characteristics of light weight, corrosion resistance, non scaling, long service life and so on. In order to reduce costs, some businesses produce PPR pipe, only 800 yuan per meal to participate in calcium carbonate. This product is easy to deformation, explosive tube, short life.
How to distinguish between true and false PPR fittings? Trick One: select the same two long PPR pipe fittings point to investigate the remains after incineration. The more pure the residue, the more impurities. Trick two: after 2004, a dollar coin, standard component is 6 grams." Take a one dollar coins on the side, then the PPR pipe intercepted a small piece, weighing on the electronic weighing, and ultimately ensure that the test is 60 grams of PPR pipe, that is, the amount of coins of 10 times. Then, cut a small hole in the PPR tube and clip the coin. Put the coins in the PPR pipe in the water, PPR pipe floating in the water. "This PPR pipe is true." If the PPR pipe submerged in the water, then the PPR tube must be mixed with impurities such as calcium carbonate. Principle: the proportion of water is 1, the proportion of authentic PPR pipe between 0.90~0.91, will not sink into the water. The proportion of calcium carbonate is more than 2.7, once incorporated into the PPR tube material, will increase the proportion of. They experimented many times, and the weight ratio of PPR fittings and coins was 10:1. On the water, authentic PPR tube will not sink.

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