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One-way valves are critical in coffee packaging


The one-way valve in the coffee package is a component to prevent air backflow.In order to avoid freshly baked coffee beans, excessive absorption of moisture in the atmosphere will usually be stored in a packing bag with a one-way valve.And beans in the bags will continue to exhaust, after a period of time will fill the whole bag, at this time if there is no release of gas pipeline, continued expansion, gas pressure, and make the coffee cooked beans can’t continue to exhaust.Once it is in a state of such too long, coffee beans inside fiber space, will be compressed to restore the original size, enabling rushed to boiled water saturation effect, in the process of extraction fluid of exports are not enough rich coffee.

The function of the one-way valve is to vent and insulate the air from the packing bag.

Coffee beans in the bag after the release of carbon dioxide to a certain threshold began to release oxygen from one-way valve, release, and bags of coffee beans will still continue to emit carbon dioxide.

Save the packing bag of coffee beans, need to have a can let a excess gas from exhaust pipe, and the exhaust passage only one-way external discharge gas, and not in the two-way air lead to moisture in the air into the bag, effectively guarantee the dry beans and mellow taste, also won’t because of the accumulation of carbon dioxide make up bag, prevent the oxidation of the inner packaging was tainted.

Unidirectional carbon dioxide is the most important conditions, we choose this valve in the process of exhaust, also can produce the exchange of air flow back, is that we eventually want to drink fresh coffee beans, rather than the oxidation of coffee beans, so the unidirectional valve is the basic requirement, it is also the highest level of requirements, when the degree of roasting coffee beans, exhaust effect is strong, the faster the releasing carbon dioxide.

When bean in high temperature baking furnace after baking, it contains minerals, carbohydrates, amino acids, proteins, lipids, such as water and caffeine, can fuses in together, because of the chemical reaction has produced a unique flavor of coffee.But coffee beans in the high temperature roasting process due to the cell wall was damaged, so the cell wall is originally a semipermeable membrane, no destruction of carbon dioxide will discharge, I personally think is puffy fiber provides after baking carbon dioxide place to stay, so not a one-off.

Because of our coffee beans volatilization of carbon dioxide, so we will see the roasted coffee beans in a sealed bag it will be bulging, if the bulging bags is not one-way valve to release the gas, not timely release the pressure, it will make bags squeezed in a certain environment or falls, the impact of the residual air generated will make the bags break, that’s a pack of coffee beans is aspersed fall down.

Check valve bags of coffee beans, a thing is not so casual, it in the midst of its is also ACTS as a very important role, it is sometimes a direct impact on our coffee flavor, and choose a qualified check valve is a very important, but with it in the bag also need to choose, need to have waterproof, oxygen insulation, shielding, moistureproof, avoid light, durable thorn features, because we all want from bakers to our coffee is in the hands of a fresh and delicious.So, the one-way valve has preserved a lot of coffee flavor, and also witnessed our pursuit of freshly baked coffee.

Chinese painters printing co., LTD. As a professional in the production of food packaging manufacturers, has been committed to the production used in food, beverage, meat products, condiments, snack food, daily chemical cleaning products, chemical products such as printing composite packaging products, formed with independent suction nozzle bag, special-shaped suction nozzle bag, eight edge-sealing bag, with the mouth self-reliance bag, self-supporting zipper bag, high temperature cooking bags, heat shrinkable label, food packaging film, candy, tangle film, and other series of different structure, different USES of packaging materials.It is widely used in the packaging of laundry detergent, soybean milk, coffee, jelly, candy, beverage and tea food.From the raw materials to the factory, through strict inspection, quality inspection, finished product tension, and resistance to fall, and so on, have been strictly tested to ensure that the bags are not broken bags and durable.The printing is exquisite, the performance is superior, deeply the customer’s praise.The company has the advanced printing production technology, closely following the international packaging industry development pace, fully meets the customers’ demand for the products.

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