In today's metal signs or non-metallic standard plate screen printing, more printing ink can be used, but it is not easy to choose the suitable ink (coating). The commonly used inks for signboard screen printing are as follows:
1、烘烤瓷漆：
1. Baking enamel:
是一种单液型配方，当受热时发生交联，存储性能较好。可存放6个月一年。具有良好的光洁度，耐磨、耐化学和耐候性能，因而使用普遍。醇酸、丙烯酸和聚酯具有这些特性。环氧树脂有断裂和粉化的倾向，一般不在户外使用，但它干燥快，有良好的耐化学腐蚀特性。醇酸瓷漆具有平衡的物理特性，如耐化学性和耐候性、可成形性、硬度和光泽，被广泛地使用着。
It is a kind of single liquid formula. It crosslinks when heated and has good storage performance. It can be stored for 6 months to one year. It has good finish, wear resistance, chemical resistance and weather resistance, so it is widely used. Alkyd, acrylic and polyester have these properties. Epoxy resin has the tendency of fracture and pulverization, which is not used outdoors, but it dries quickly and has good chemical resistance. Alkyd enamels are most widely used for their balanced physical properties, such as chemical and weather resistance, formability, hardness and gloss.
2、空气干燥瓷漆：
2. Air drying enamel:
常用醉酸制成，得用空气中的氧气，经过反应实现固化。醉酸瓷漆的性能由使用油的类型和数量而定。油干燥时间越长，瓷漆的干燥时间就长。当以干燥速度为条件时，干燥时间长的油漆一般都有良好的表面耐用性能。这些漆多用于室外金属标识牌。
It is usually made of drunken acid, which needs oxygen in the air to realize solidification through reaction. The performance of acid enamel depends on the type and quantity of oil used. The longer the oil drying time, the longer the enamel drying time. When the drying rate is taken as the condition, the paint with long drying time generally has good surface durability. These paints are mostly used for outdoor metal signs.
3、溶化挥发油墨：
3. Dissolving volatile ink:
只依靠溶剂挥发以实现干燥。涂层终的性能根据配制成液体之前聚合物中所固有的物质性能定。此类聚合物中含有热塑性丙烯酸。以挥以性为主份的丝网印刷油墨通常会常受到溶解的损害。有一些不溶于汽油和酒精的丙烯酸，其中膜面可与接触，因而，以热塑性丙烯酸、乙烯和其它可溶的聚合物为主份的油墨大多用在塑料基材上。
Drying is achieved only by solvent evaporation. The final performance of the coating depends on the properties of the material inherent in the polymer before it is formulated into a liquid. These polymers contain thermoplastic acrylic acid. The volatile silk screen printing ink is usually damaged by dissolution. There are some acrylic acid which is insoluble in gasoline and alcohol, and the film surface can be contacted. Therefore, the ink mainly composed of thermoplastic acrylic acid, ethylene and other soluble polymers is mostly used on plastic substrate.
4、双液型油墨：
4. Double liquid ink:
常见的是环氧树脂或聚氨酯，尽管还有其它许多种。经常在材用的双液系统是节省能源的明智的选择，其涂层质量高，但混合不方便。此外也要要根据产品的用途来选择，如果产品可能用在户外，而且还要注有某些柔性，那么选用以脂肪族烃为主体氨基甲酸乙酯油墨。双液型环氧树脂油墨与烘烤型瓷漆的使用性能相同，但成形性不够好。
The common ones are epoxy or polyurethane, although there are many others. The dual liquid system, which is often used in wood, is the most sensible choice for energy saving. Its coating quality is high, but the mixing is not convenient. In addition, we should also choose according to the use of the product, if the product may be used outdoors, but also note some flexibility, then choose aliphatic hydrocarbon as the main body of ethyl carbamate ink. The performance of double liquid epoxy resin ink is the same as that of baking enamel, but the formability is not good enough.
5、油墨添加剂：
5. Ink additives:
与其他油墨一样，金属用丝网印刷油墨也含有添加剂，这是生产时中进的少量化学剂，以改善墨膜的性能，有些能加速固化或引发固化，而另一些可使气泡破裂、墨质均匀，减少结膜可能性。生产厂家根据具体的配方交添加剂与油墨混合在一起，印刷者所需的是将油墨调稀适合印刷的稠度。
Like other inks, metal screen printing inks also contain additives, which are a small amount of chemicals introduced in the production process to improve the performance of the ink film. Some can accelerate the curing or initiate the curing, while others can break the bubbles and make the ink quality uniform, reducing the possibility of conjunctiva. According to the manufacturer's specific formula, the additive is mixed with the ink. What the printer needs is to dilute the ink to the consistency suitable for printing.
以上是关于标识标牌制作常用的五类丝印油墨，相信您都已经了解了，想要了解更多欢迎关注我们的网站。
The above is about the logo making commonly used five types of silk screen ink, I believe you have understood, want to know more welcome to pay attention to our website.
