he original text comes. That is the silk print. The advantage of silk print is that simple equipment, easy operation, easy printing platemaking, low cost and strong adaptability required. If the logo is of more that one color and the colors stand together , then the overprint works. In the printing and dyeing industry, several colors need to be printed on the product , that is so –called overprint. The overprint color sequence should be made according to the features of the inks and the Superimposition rule so as to make the color of the printing close to the original. A uv silicone bracelet can transfer its color darker under sunshine when absorbing uv light. It is not only with good looking appearance but also indicating the strength of the uv index. So some uv silicone bracelets made as the indication with the ruler of levels of index. Wearing on the wrist to avoid long time staying under strong uv. So what makes it uv transfer ? The answer is the UV phosphor which usd uv energy to open the sensitive molecular bond and make it jump from low energy to high energy level There will be a change from visible light to visible light, resulting in the changing color from light to dark. It become a uv silicone bracelet when the UV phosphor is put into the silicone mass and produce it a band. ority standards. Such as Regulation (EC) No.1907/2006 , European RoHS directive 2011/65/EU and It’s Amendment Directives , Annex XVII of Regulation (EC) No.1907/2006 , US ―Consumer Product Safety Improvement Act 2008 , US ―Consumer Product Safety Improvement Act 2008 , US California Proposition 65 and Assembly Bill No.1108 and Germany GS Mark Certification — Polycyclic aromatic hydrocarbons . Some material that is harmful like Cr(VI) and Polybrominated Biphenyls & Polybrominated Biphenyl Ethers (PBBs & PBDEs), Bis (2-EthyylHexyl) Phthalate (DEHP), Dibutyl Phthalate (DBP), Benzyl Butyl Phthalate(BBP), Di-Iso-Butyl Phthalate (promotional silicone wristbandsDIBP) can not be found or the content is much less than the standard request. breast-cancer-awareness-wristbandswhere-to-buy-wristbands uced . Some customer are holding ready-made products for Soft-hardness comparison directly and then choose one of them . In nowadays the custom silicone bracelets is one of them. So how to choose the hardness for custom silicone bracelets . The choice of softness and hardness of silica gel will have different effects on tpromotional silicone wristbandshe properties of different products . At present, the hardness of commonly used silica gel hand rings is between 40 degrees and 60 degrees and material with different hardness has certain difference . For example , the tensile rate of 40 degree materials will reach about 150% , and the tensile rate 60 degree materials can only reach about 80% . So in order to confirm the functionality of products , we have to test them . It is more difficult to produce high hardness silica gel hand rings . For the manufacturers of silica gel hand rings , the higher the hardness , the higher the defective rate of the products and the pulling force of the products will also be affected and will cause fracture phenomenon at any time . Therefore , we suggest that the hardness of the silica gel hand rings should not be too high . We are professional id bracelet maker with years of experience. We can make id bracelets for infant. All the bracelets should made from 100% silicone which is harmless and eco friendly to infant. We can make it small size as 130mm for infant. We can print bar code, QR code or unique serial number together with some detail of the medical institute. Usually the wristband width need at least 15mm so that the code is clear enough to be scaned. When you scan the code with a phone, the detail of patient name, address, status will show up. It is a good help for doctor and patient to know the treatment. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free. Welcome to place an order here.