Use: Printing Ink
Packing: 10, 25kg bags with pallets/10, 25kg drums

Features:
(1) Light fastness
Differences in colors( Full shade and tint shade) between the exposed and the corresponding unexposed contols were assessed according to the blue scale.(Class8: Superior to Class1:Inferior)
(2) Resistance to acid (2% H2SO4), alkali (NaOH) aqueous solution
The pigment sample is suspended in each chemical solution.
After drying, the color change in evaluated in accordance with gray scale(*Remarks)
(3) Water resistance
The pigment sample is dispersed in water, heated and filtered. The resistance to water is evaluated based on the degree of coloration of the filtrate. The evaluation shall be carried out in accordance with gray scale(*Remarks).

Dongdu Biology is a company that develops and sells high-end chemicals. Our company aims to provide all-round and professional technical solutions and products and services for domestic and foreign customers in line with the principle that professionals do professional things; The company has its own independent research and development team, perfect experimental facilities and advanced testing instruments, and at the same time, it is equipped with complete production equipment for product extraction, separation, synthesis, fermentation and strict quality control system to ensure the stability of product quality from all aspects.

The company has 10, 000-level and 100, 000-level purification workshop that meet GMP standards, and fully automatic production equipment. The high quality and reasonable cost of our products have won warm welcome from many customers. From material procurement, production process to product testing, we have established a strict quality standard inspection system. Every link from packaging, delivery, shipment to transportation has been inspected at different levels. Pursuing excellent quality is the core driving force of our development, and serving customers wholeheartedly is our eternal purpose!

Division I provides customized packaging, customized production and other personalized customized services, and supports various modes of transportation such as land, sea and air, and strives to bring customers a quality cooperation experience. Our products are popular in North and South America, Europe and Southeast Asia. We look forward to cooperating with new and old customers.