Kraft papieren zakis een verpakkingscontainer gemaakt van composietmaterialen of puur kraftpapier. Het is niet giftig, smaakloos, niet-vervuilend, koolstofarm en milieuvriendelijk. Het voldoet aan de nationale normen voor milieubescherming. Het heeft een hoge sterkte en hoge milieubescherming. Het is een van de meest populaire milieuvriendelijke verpakkingsmaterialen ter wereld. .
Kraft papieren zaks are made of wood pulp paper as the base material. The colors are divided into white kraft paper and yellow kraft paper. The paper can be coated with a layer of PP material to play a waterproof role. The strength of the bag can be made from one to six layers according to customer requirements. , Printing and bag making are integrated. The opening and back cover methods are divided into heat sealing, paper sealing and paste bottom.Hoe te makenkraft papieren zakken
1. Small white kraft papieren zakken. Generally, this kind ofkraft papieren zak is large in quantity and widely used. Many businesses require this kind ofkraft papieren zak to be cheap and durable. Machine operated.
2. The practice of medium-sized kraft papieren zakken. Under normal circumstances, medium-sized kraft papieren zakken are made of kraft papieren zakken made by machine pasting synthetic type and then manually pasting ropes. Because domestic kraft papieren zakvormapparatuur wordt beperkt door de vormgrootte, enkraft papieren zakken The rope attaching machine can only attach the rope of the smaller handbag, so the method ofkraft papieren zak is restricted by the machine. Many bags cannot be completed by the machine alone.
3. Large bags, kraft papieren zakken with reverse heads, thicker yellow kraft papieren zakken, these kraft papieren zakken must be made purely by hand. The production cost of such kraft papieren zakken is relatively high and the quantity will not be large.