1 Subject content and scope of application This standard stipulates the paper packaging and marking for the selection of production and use departments, and should be indicated in the order contract. Those with special requirements can add to the corresponding chapters of the product standard. This standard applies to the packaging and labeling of flat paper, roll paper, and tray paper transported by various transport methods. 2 Reference standards GB 191 packaging and storage instructions. 3 Flat paper packaging a. Flat paper has the following six packaging methods: 3.1 Wooden plywood packaging 3.1.1 When using wooden plywood packaging, wrap the paper into small packages, and the number of each package can be 500, 250 or 125. 3.1.2 The net weight of each piece of flat paper is not more than 250kg or as specified in the order contract. 3.1.3 The paper package whose outer packaging consists of small packages must be packed with not less than three layers of 80g wrapping paper or four layers of 80g kraft paper. 3.1.4 The pieces of paper should be placed between two wooden plywood, with a layer of moisture-proof paper or plastic film and a layer of 310 yellow cardboard, or other substitute packaging. 3.2 Wooden box or carton packaging 3.2.1 Pack the paper into small packages according to the provisions of 3.1.1 of this standard. 3.2.2 The wooden box will flatten the lid and tie it tightly with two layers of iron or nylon braid. 3.2.3 The style and size of the wooden box or carton are according to the provisions of the order contract. 3.3 Strip wood plywood packaging 3.3.1 According to the provisions of 3.1.1 of this standard, wrap the paper in small packages and then wrap the paper. 3.3.2 The packaging wood board is made of slats, the thickness of the slats is not less than 12mm, the width is not less than 80mm, the thickness of the wooden strip is not less than 24mm, the width is not less than 80mm. After the strip wood plywood is assembled, the gap between the slats is about 80mm. 3.3.3 The outer packaging is in accordance with 3.1.3 of this standard. 3.3.4 Playing pieces is in accordance with the provisions of 3.1.4 of this standard. 3.4 Frame board packaging 3.4.1 According to the provisions of 3.1.1 of this standard, wrap the paper into small packages, and then wrap the paper. 3.4.2 The frame board is a Japanese-shaped wooden frame. The frame board should be made of slats with a thickness of 15-20mm and a width of not less than 80mm. The moisture of the slats is not more than 20%. The bar must be placed at a distance of 80-100mm from the edge, and the middle bar must be basically seated in the center of the two sides. The slats must be nailed with nails, and the nails should be bent and buried as flat as the wooden slats. The length of the nail must be equal to the thickness of the nailed piece plus the bending length of 6-11mm. 3.4.3 The outer packaging is in accordance with 3.1.3 of this standard. 3.4.4 The pieces are printed according to the provisions of 3.1.4 of this standard. 3.5 When the flexible packaging is transported in the city or short-distance out-of-city automobile transportation, the flexible packaging method can be used to wrap the paper. 3.5.1 Papers in flexible packaging shall be packaged into small packages according to 3.1.1 of this standard. Paper should be packed with five-layer packing paper with a basis weight of not less than 60g / m2 and a sizing degree of not less than 1mm or three-layer packing paper with a basis weight of not less than 80g / m2 and a sizing degree of not less than 1.25mm. 3.5.2 Printing paper, cover paper, writing paper, drawing paper, etc. should be lined with a layer of moisture-proof paper or plastic film. 3.5.3 Wrapping paper and moisture-proof paper or plastic film should be folded at both ends of the paper, and then glued with firm glue or tape. 3.6 Half-folded and folded packaging The half-folded and folded packaging method is suitable for packaging paper, and other paper types can also be used as needed. 3.6.1 When folding and folding each other, the paper stack must be divided into approximately equal parts according to its height. Move the upper part to half the length of the paper, fold the exposed half of the lower paper upwards, and fold the upper half of the paper that moved to the side on it. After folding, use three pieces of packing paper with a basis weight of not less than 60g / m2 or two pieces of kraft paper with a basis weight of not less than 80g / m2. The two ends of the wrapping paper are folded on the surface of the paper bag, and then tied with a string along the longitudinal direction of the paper bag, and then tied two along the horizontal direction. At the corners of the paper package should be lined with paper strips made of cardboard. 3.6.2 The gross weight of the folded packaging paper should not exceed 55kg. Folk Pop Guitar Bag,Guitar Case Backpack,Cheap Guitar Case,Best Guitar Bag,Acoustic Guitar Case Dongguan Mingpin Traveling Appliance Company , https://www.mingpinsuitcase.com
b. Wooden plywood packaging;
c. Wooden box or carton packaging;
d. Strip wood plywood packaging;
e. Frame board packaging;
f. Flexible packaging;
g. Packed in half folded.
The small package is packed with a layer of packaging paper with a sizing degree of not more than 30 and a basis weight of not less than 60g or kraft paper with a basis weight of not less than 40g. Both ends of the wrapping paper should be folded at the end of the paper bag.
Both ends of the wrapping paper should be folded and sealed at the ends of the paper.
When packaging advanced printing paper, the second layer of packaging paper must use moisture-proof paper or use plastic film to prevent moisture.
Wooden plywood shall meet the following requirements:
The thickness of the wood plywood is not less than 12mm, the width of the wood strip on the board is not less than 70mm, the thickness is not less than 30mm or the width of the wood strip is not less than 80mm, and the thickness is not less than 24mm.
The length and width of the wooden plywood should be 5-10mm larger than the paper size;
The moisture of the wood plywood does not exceed 20%;
The surface of the wood plywood is flat, nails must not protrude on the surface of the wood plywood, the seam of the board should not exceed 5mm, and there should be no holes in the board surface with a diameter greater than 30mm;
Add one wooden belt and several horizontal wooden belts to each wooden plywood. The number of horizontal wooden belts is determined according to the length of the paper. For lengths above 1000mm, use 4; for lengths below 1000mm, use 3;
If necessary, corresponding measures that facilitate forklift loading and unloading can be adopted according to the order contract.
Use iron sheet or iron wire no smaller than 10 for punching. The iron sheet (iron wire) must be tied to the center of the wooden belt without deflection, and the tightness should be consistent. When using the iron wire, avoid the iron wire embedded in the board to loosen the package. The iron wire twist must be outward, and the length of the button should not exceed 100mm. Bent at 90 ° and nailed into the wooden slats. When using an iron sheet, a groove should be cut at the corner of the sheet metal and the board surface to allow the sheet metal to be embedded, and the junction of the sheet metal should be fixed with a buckle or overlap. The pieces should be strong, and the packaging paper should not be broken or skewed due to slight external force.
Before packing, the wooden box or carton should be covered with a layer of moisture-proof paper or plastic film and a layer of kraft paper with a basis weight of 40-60g / m2. A layer of 310g / m2 yellow cardboard can also be added as required.
After the paper is loaded into the box, the end of the packaging paper that protrudes from the box surface should be folded over the paper, and then a piece of packaging paper and a layer of moisture-proof paper or plastic film should be placed on it.