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The common quality problems of wireless binding hot melt adhesive mainly include page dropping, uneven back, broken book core, bubbles, and perforation at both ends of the book. They often appear on single or multiple banks, mainly due to the following reasons:
1、 Analysis of Page Dropping Reasons
2、 Analysis of the reasons for incomplete books
What is wireless adhesive bonding? Wireless adhesive binding refers to a binding method that uses adhesive to fix the pages of printed materials on the spine of a book. Unlike traditional wired binding, wireless adhesive binding does not use wire or thread, but instead uses glue to bond the book core. The book core processed […]
Regarding the viscosity and stickiness of hot melt adhesive, many customers will always ask if your hot melt adhesive is strongly adhesive, which means “sticky”. Without specifying what material to stick, it is not possible to directly determine whether the hot melt adhesive is strong or not. Hot melt adhesive is only suitable or not, […]
Choose packaging hot melt adhesive, focus on the coreAdhesive material, production line speed, environmental requirements, delivery radiusDifferent scenarios correspond to different factories and adhesive types. Below are clear selection directions based on mainstream scenarios. 1、 Ordinary cardboard box/sealed box (universal EVA adhesive, cost-effectiveness priority) Suitable for: regular cardboard box sealing, cardboard box forming, handbag bonding, […]
Based on thermoplastic polymers, the properties of hot melt adhesives allow them to melt at high temperatures and then return to a solid state when the ambient temperature is reached. Hot melt adhesive has a wide range of applications, and its formula has obvious advantages over traditional adhesives. They can be combined with almost anything, […]
