How to distinguish true and false 2b

Pencil in accordance with national standards, according to different concentrations of graphite is divided into 18 models, including national brand "Chinese pencil" from thick to light were divided into 13 models. In the current standardized test, the computer's reading program is applied to the lead concentration of 2B pencil, too thick or too light is not conducive to the correct judgment of the computer. So, how to correctly determine the true and false 2B pencil, the expert Weapon to the reader. First, look at wood. The real thing after a softening treatment, the wood soft and hard moderate, and more with linden wood, its texture is the same, was dark red. The fake 2B pencil in the top of the painted red color, and so cut, you will find the color is white or lighter. In order to reduce costs, the fake 2B pencils are not softened, so the pencil is hard and torn. Second, look at the text. Authentic 2B pencil is printed on the pen, "2B" words, signs from the top 1 cm. If you put together a few pen to compare, then printed with the same position 2B words, and leave the 2B pencil together, the "2B" mark from the top of the distance varies. Third, authentic look printed fine handwriting, fake print fuzzy, and paint black hair, the surface is not smooth. On the false 2B pencil in the end how much harm, the relevant department heads pointed out that at present, many of China's large-scale examinations, many subjects used the machine to answer the form of the card, answer pen basically requires 2B pencil. Candidates with a fake 2B pencil answer, the handwriting is too thick or too light will cause the computer to read the failure or error, marking machine certainly can not read correctly. Misuse of a pencil will not only result in the loss of candidates, and may therefore change the fate of a candidate's life. To this end, the person reminded those who need to bring their own 2B pencil candidates, do not buy from the hands of small business hawkers, otherwise, causing serious consequences can only be conceited.

       At present, the domestic market sales of fake 2B pencil mostly from Zhejiang Yiwu, Hunan Shaodong and Shandong Linyi and other places. The majority of candidates and their parents in the purchase of 2B pencil must pay close attention to the origin or trademark. At the same time, but also pay attention to the pencil prices, leave 2B pencil retail price was significantly lower than the price of genuine goods, candidates and parents must not be cheaper to buy fakes.

       How to identify true and false 2B pencil 2: 1: authentic. (1) trademark steel handwriting. Trademark logo clear, full contour. Stamp handwriting overall coordination, correct, was snow white, and each are uniform. (2) appearance. Hexagonal, round and other shapes correct, flat symmetry, rod diameter uniform pencil length of unity, paint color bright and consistent. (3) intrinsic quality. Meet and higher than the national standard, writing fluently. No eccentric, cut when the core. Wood material is fine, roll cut crisp. (2) appearance. Hexagonal, circular and other shapes are not correct, the plane asymmetry, pencil length varies, the paint color bleak, the pen is rough. (3) intrinsic quality. Not in line with national standards, lead quality poor. Due to the pen shape is not allowed to partial core serious, roll cutting will break core. Wood material rough, and even rotten wood.