book boxes cheap packing boxes

book boxes

cheap packing boxes racteristics and applications of paper packaging materials do description: paper and cardboard are the backbone of traditional packaging materials, consumption, wide range of applications, its output value accounted for packaging of GDP 45% or so. Paper and paperboard has the following characteristics: having a suitable strength, impact resistance and abrasion resistance. 2. Tightness, easy to do clean. 3 has excellent formability and folding, ease of using a variety of processing methods, should mechanization and automation of packaging production. 4 has the best printability, ease of presentation and landscaping products. 5 low price and light weight, can reduce packaging costs and transportation costs. 6 is easy to handle later, recyclable, reusable and regeneration, will not pollute the environment and saving resources. Paper and cardboard are also some fatal weaknesses, such as the difficulty sealing, fastness decline and airtight,