If the qinghua liquid cleaning agent contains disinfectant and antibacterial ingredients, you need to pay attention to its safety and impact on the environment when using it.
For paper printing materials, the thermal effect and chemical reaction during the curing process of qinghua offset printing ink black will affect the shrinkage of the paper.
In the modern printing industry, keeping printing equipment clean is not only the key to ensuring printing quality, but also an important measure to extend the service life of equipment.
As a unique surface treatment material, qinghuatu reverse primer fine sand has shown wide application prospects on various substrates such as paper, gold and silver cardboard, laser paper, PVC, PET plastics, etc. in recent years.
In low temperature environments, the activity of some conventional photoinitiators will decrease, so it is necessary to select photoinitiators with higher low temperature activity.
In recent years, qinghuatu reverse face oil, as a new type of printing material, has gradually become an ideal choice for improving the printing quality of gold and silver cardboard.