(1) drying process of ink
In tinplate printing production, ink drying is a complex physical and chemical reaction process. It is necessary to control the drying speed of ink reasonably and master the physical and chemical mechanism of ink drying, so as to effectively carry [...]
Inceppamento carta su base grigia
La pasta chimica sbiancata viene utilizzata per lo strato superficiale, la polpa kraft non sbiancata viene utilizzata per lo strato centrale e lo strato inferiore, la pasta di legno macinata o la carta straccia pulita sono adatte per la stampa a colori di cartoni di alta qualità, così [...]
The blank of semi porcelain is close to that of porcelain, but it still has 3-5% water absorption after firing (true porcelain, water absorption is below 0.5%), so its performance is not as good as that of porcelain, which is better than that of [...]
Tableware is suitable for catering (fast food) chains, food squares, University (University) canteens, hotels, enterprise canteens, advertising gifts, eccetera. Because of the particularity of molecular structure of melamine plastics, melamine tableware is not suitable for use in microwave oven, and it will crack if [...]
1. Different structure
The disposable three-layer mask is made of two layers of fiber non-woven fabric, which is used for medical and health care. One layer is added in the middle, and more than 99% of the filter solution spray cloth is welded by ultrasonic [...]
Pouring procedure: If the wine is sealed with cork, after opening the bottle, the owner should first be in his own cup.
Pour a little, taste if there is bad cork taste, if the taste is not pure, it should be replaced by another bottle. [...]
Wine rack storage
For ordinary families, it is necessary to buy a domestic wooden wine rack.
First, the wine rack is best placed directly on the ground, because the air flow is smoother and the temperature is relatively low.
Second, avoid sunshine and strong light, because ultraviolet [...]
Sheepskin
The pores on the leather surface are oblate, small and arranged in fish scales. Generally, several pores form a group. The leather is soft and elastic.
pigskin
The pores on the surface of pigskin are round and thick, which are inclined to penetrate into the leather. [...]
La camicia casual è usata per abbinare il cappotto dell'abito. Non ci sono regole fisse per l'uso dei tessuti. Lo stile è immutato o leggermente modificato in base alla tradizione, e il colore e il motivo sono estremamente gratuiti. e il colore e il motivo sono estremamente gratuiti [...]
4. Due to the smooth surface and poor ink absorption ability of the copper plate paper, when printing the field plate of large page, try to achieve “deep ink and thin printing”. That is to say, the ink color is properly adjusted, and the [...]