Vibrating sound film size determines the size of the size of the moving coil unit. The larger the size, relatively speaking, the better the sound quality can tune out the car battery dust protection rubber safety valve, but the sound radiation and resonance due to increase in size. Generally the larger the size of the relatively easier bass will be better, the smaller the size as Φ3mm ~ 6mm voices tend to be relatively high frequency. Common diameter Φ3mm ~ 57mm, Φ16mm following generally used in flat plug and ear headphones, Φ20 ~ 30MM generally used in the headphones into the headphone and medium-sized hanging headset, Φ40 ~ 57MM typically used in medium and large headset the headset. Supply Sunbeam G01-1009 / 2009 of the diaphragm coil UV adhesive glue. Provide high-temperature 150 ° sound film adhesive glue, glue adhesion supply starting point. Improve product quality high-end speaker wire UV glue glue glue the edge of the center cup holder fixed plastic glue U advantages Description: The PET, PEN, PEI, PI, PPS, PEEK and other material bonding effect good, sound good after bonding, pronunciation is not distorted , does not crack under high temperature glue PHEV car battery safety valve to protect rubber, non-shedding, fast curing, high efficiency battery corrosion protection rubber safety valve to provide South Korea imported high-end speaker HIFI headphones with plastic, to provide a safety valve to protect Samsung glue, millet, LGD, VIVO speaker sound film UV glue, UV glue provide high temperature of 150 degrees. Jia Xin Xin Electronics, PHEV car battery safety valve to protect plastic, rubber valve protection provided by Jia Xin Xin Electronics. Search for "electronic materials, adhesives, optoelectronic display products, solutions and touch fitting fitting equipment" fly suppliers, network operators choose to have a full alliance certification: Shenzhen City Jia Xin Xin Electronics Co., Ltd. (www.szxinjiaxin.com ), honest and reliable, "business alliance customer service" on page now click on live chat with us now!