Three-in-one Complex paper and plastic bag is made of plastic and kraft paper, usually the material of plastic layer is the flat yarn woven fabric with base of polypropylene (PP) or polyethylene (PE), kraft paper kraft paper is made of refining and specialized kraft. With the characteristics: high strength, waterproof,good appearance,etc. It Is one of the most popular packaging materials at present, widely used in plastic materials, cement, feed, chemicals, fertilizer and other industries.
Main Advantages
(1) High strngth: With the woven fabric made of PP or PE of inner layer, refined composite kraft paper of outer layer and composite plastic of middle layer, the Three-in-One Complex paper and Plastic Bag has the characteristics: strong resistance to puncture, tear resistance,etc.
(2) Good appearance: made of yellow or white refined kraft paper, three-colour printing, looks bright.
(3) Good skid resistance: made of the kraft paper with sliding resistance degrees above 25 degrees, easy to fold.
Specification
|
Item
|
Specification
|
|
category
|
Three-in-one paper bag
|
three-in-one complex paper and plastic fabric
two-in-one laminating fabric
two-in-one laminating paper
|
Woven fabric
|
|
Maxi width
|
550mm
|
2700mm
|
2800mm
|
|
Length
|
780/840/860mm
|
2500m以上
|
|
thickness
|
20µ（depend on needs）
|
|
Bag making
|
hot seal
seam
|
/
|
|
application
|
heavy packing bag
Resin mateiral factory
|
complex paper and plastic fabric
PP/PE laminating fabric
laminating paper
|
Woven fabric of PP or PE
|
Important physical indicators
|
Test item
|
unit
|
GB8947-98
|
LCQ-P-001
|
|
Longitude intensity
|
N/50mm
|
≥550
|
≥650
|
|
Latitudinal intensity
|
N/50mm
|
≥550
|
≥650
|
|
Warp strength
|
N
|
≥150
|
≥160
|
|
Weft strength
|
N
|
≥150
|
≥160
|
|
Bonding strength of mid seaming
|
N/50mm
|
≥400
|
≥500
|
|
Bottom seam strength
|
N/50mm
|
≥250
|
≥300
|
|
Composite strength
|
N/50mm
|
≥3
|
≥4
|
Other Specialized Ton Bag 
