Quantity Assured Bopp Coating Machine

Quantity Assured Bopp Coating Machine

It is suitable for manufacturing hot stamping film, laser film, gold and silver paperboard which need coating and laminating. 
 

Quantity Assured Bopp Coating Machine

Calculation method of BOPP tape cost

Core tips:

     Commonly used specifications for sealing tape are 5.5cm, 45cm, etc. The general unit is expressed by "m" or "code" (1 yard = 0.9144m); the calculation method of the unit price of each coil is usually calculated by "yuan/square meter". The price of tape, the average merchant is reported to the customer according to the price of a roll, so simple and more clear. Sealing tape specifications:

     It is expressed by "width × length × thickness", where "width" is the width of the tape, generally expressed in mm or cm, generally ≥ 12mm, common specifications are: 5.5cm, 4.5cm, etc.; "long" is opened for the tape The total length in the future is generally expressed by "m" or "code" (1 code = 0.9144m), common lengths are 50m, 100m, 150m, 200m, etc.; thickness refers to the total thickness of BOPP original film + adhesive layer (unit: Micron, μm), commonly used 45 ~ 50μm. Such as "5cm × 100m × 50μm".

The calculation method of the unit price of each roll of tape:

     The tape industry usually uses “yuan/square meter” to calculate the price of the tape, then “price per roll = width (m) * length (m) * square price”.
The specific price has a large fluctuation according to the cost, because BOPP film and glue are all petroleum products.

     The price of BOPP precoat film is based on BOPP film thickness, EVA coating thickness, and order quantity.
Generally BOPP pre-coated film, BOPP film thickness is 12-20 microns, the thickness of the glue layer is 5-15 microns, and the glue layer is EVA.
In this way, the specific price can be calculated based on the thickness of both.

Quantity Assured Bopp Coating Machine

Characteristics of several coating methods -

Air knife coating:
advantage:
1. Because it is a profile coating, it can provide better shielding performance than any known coating machine.
2. There is no mechanical contact in the metering method, and it will not cause scraping marks.
Disadvantages:
1. The solid content of the air knife coating coating formulation can not be made too high up to 48%, too high solid content will lead to too high viscosity of the coating will make the coating amount difficult to control.
2. Low solids content of the coating will cost a lot of drying costs
3. The low solid content of the coating results in poor water retention, and the coating shrinks severely during the drying stage, ultimately affecting the roughness of the coating.
4. Significant loss of paint, high water consumption, and high environmental pressure.

Metering bar coating:
Advantages:
1. Low requirements for base paper, can adapt to rougher base paper
2. Can adapt to high solid content coating
3. Better shielding
Disadvantages:
1. The adjustable amount of coating is worse than the scraper, and the typical value is 7-11 grams.
2. If you use a grooved stick, you will leave a lot of sticks.
3. When the required coating amount is relatively low, the metering rod is easily worn.

About

Zhengzhou EAST IMPORT AND EXPORT co., ltd . ( a goulian group of company) a manufacturer and exporter for all kind of packaging machinery , like bopp tape coating machines, bopp tape slitting machines. Bopp tape core cutter, bopp tape core loader etc

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