The filter element is the core component of the filter. It is made of special materials. It is a destructive part and requires special maintenance and maintenance;

Offset printing ink must have high viscosity (dynamic viscosity η = 40 ~ 100Pa · s). When offset printing ink spreads on the inking unit rollers or transfers to the substrate, such as printing plates and blankets, the drying components in the ink do not cause the ink to harden.

For the second week of November, colleagues in the Print Area are all gearing up for Saturday's sport -- the debate. This is our first debate competition.

Water-transparent ink is the water-based screen printing ink itself that is white, becomes transparent when exposed to water, and restores after drying.