First, VHBBubble cotton die-cuttingApplication trends

1, 2018, 5G Eve, mobile phone supply chain in response to 5G communications on the requirements of signal transmission to launch new products.

2, in view of the fragile characteristics of the glass cover plate, improve its anti-fall, explosion-proof performance has become a top priority.

3, which "VHB foam cotton glue used in mobile phone back cover will be a trend, at present Huawei, Moto, Meizu, millet, Asus and other brands are already in use, used in mobile phone front shell, back cover, fingerprint module and other positions." ”

4, "The current 1000-2999 yuan mobile phone its glass back cover cost of at least 28-35 yuan, if it is VHB bubble cotton glue rework can not, then it 5, it is scrapped." "This is also the international rework performance of good VHB foam cotton gum prices have been high reason."

6. According to the introduction, the main advantages of VHB foam cotton gum are strong viscosity, good rework performance, waterproof, dustproof, shockproof and excellent die-cutting performance

7, and can meet the whole machine drop, drawing and rollers and other tests. Currently through Huawei 50N pull test, and has been in a number of mobile phone back-cover projects to start the application.

Second, what is foam double-sided glue?

1. Product INTRODUCTION

2, foam double-sided adhesive refers to the foaming foam cotton substrate on both sides of the coating of strong sticky acrylic adhesive, and then a double-sided paper or off-type film into a duplex adhesive; if both sides are covered with off-paper or off-film called Sandwich double-sided adhesive paper, made of sandwich double-sided adhesive is mainly to facilitate double-sided adhesive punching

3, foam cotton double-sided adhesive with strong adhesion, good retention, waterproof performance, strong temperature resistance, anti-ultraviolet ability of strong characteristics.

4, foaming foam cotton substrate is divided into: EVA foam cotton, PE foam cotton, PU foam cotton, acrylic foam and high foaming. Adhesive system is divided into: oil glue, thermal sol, rubber and acrylic glueHydrogel die-cutting。

Third, acrylic foam double-sided Adhesive

1, acrylic foam double-sided adhesive refers to the acrylic foaming foam on both sides of the double-sided adhesive coated with acrylic glue. Color has white, gray, transparent color and black, the thickness is also more, mainly 0.25mm, 0.4mm, 0.5mm, 0.64mm, 0.8mm, 1.2mm, 1.6mm, 2.0mm, 3.0mm,The departure type has white off-type paper and red off-type film.

2, with high adhesion, high retention, waterproof, temperature resistance, strong load-bearing capacity and other advantages, is the best of all foam, can be used in anti-wipe strip, pedal, sunshade, sealing strip, anti-collision strip, rear fender, nameplate decorative strip, door perimeter protection strip, glass curtain wall, metal products, such as bonding and fixing, Applicable temperature: -20℃-120℃.

FourProtective film Die-cuttingFields of Application

1, electronic market: mobile phones, computers, digital cameras, mechanical panels, membrane switches, etc.

2, the automotive market: the appearance of decorative strips, auto parts, car concentration, car perfume, etc.

3, Home market: hooks, furniture, toys, handicrafts, window gaps, door gap paste and so on.