Hardware fitting silicone Dongguan City Hengli Hang Yawei printing equipment firm silicone material is an organic silicon compound silicone products supplier means a Si-C bond, and at least one organic compound base is connected directly to the silicon atom , it is customary to those often via an oxygen, sulfur, nitrogen and other organic group connected to the silicon atom compounds are also used as the organosilicon compound. Among them, the silicon-oxygen bond (-Si-O-Si-) for the skeleton composed of polysiloxane is the largest number of organic silicon compounds, study the deepest, the most widely used class of more than 90% of the total amount . Phone silicone keys Dongguan Heng Heng Li Yawei printing equipment materials firm roasting method for coarse-pored silica gel, gradually warming to be placed inside the roaster 500--600 ℃, after about 6-8 hours to silicone rubber is white or yellow Brown can. Pore ??silica gel silicone products for the supply of Dongguan, calcination temperature should not exceed 200 ℃. Rinsing the silica gel adsorption method in saturated steam heat saturated after water immersion rinse, detergent to remove oils or other organic impurities can be combined, drying after dehydration and then by washing water. Silicone products supplier, constant Yawei printing equipment (certified), silica gel provided by Dongguan Heng Heng Li Yawei printing equipment materials firm. Dongguan Heng Li Heng Yawei printing equipment materials firm (dghyw88.1688.com) is Dongguan, plate making, printing supplies leader, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Printing equipment in constant Yawei led the staff warmly welcome all inquiries negotiations to create a constant Yawei printing equipment a better future.