Green plastic - that people actually environmentally friendly printing vest bag, plastic bags, as a carrier to hold things easy for people, regardless of whether the material can degrade, the key is to use these bags we reasonably avoid extravagance. With the improvement of production technology vest pocket, the market gradually introduced biodegradable plastic bags, although such materials are biodegradable in nature, but by no means once for two days, still need quite a long time, because we use biodegradable bags when it value should focus vest vest bag, full of repeated use of print vest bag, this is the key to environmental protection! Vest pocket blown film process critical control points: temperature, host speed, traction ratio and blow-up ratio. First, when the extruder temperature blow LDPE extrusion temperature control between 160 ℃ -170 ℃, must ensure that the head temperature uniformity. Extrusion temperature: resin is easily decomposed and brittle film, in particular of the longitudinal tensile strength decreased significantly. The extrusion temperature is too low: plasticizing resin is not good, since the tensile strength of the film is low, and the surface gloss and transparency of the difference, even as the timber and the ring-like pattern for melting nuclei. Vest bag, vest bag printing, Red Plastic Factory (certified merchants) provided by Xiong Red Plastic Factory. Xiong Red Plastic Factory (corp.1688.com/page/index.htm?memberId=poqwe321&fromSite=company_site&tab=companyWeb_detail) is specialized in all kinds of plastic "plastic film, food bags, garbage bags, craft bags, gift bags and other bags "business, the company adhering to the" honesty, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhao floor.