Answers to the Familiar Questions

	Can the Gaoda complex-drier be used singly?
	Yes. Singly using such a Gaoda complex-drier can match the same total effect as using several traditional driers that included Co, Mn, Pb, Zn, Ca etc.
	Why the complex-drier can be used singly?
	It is due to its characteristics of the complex reaction, its cooperative function, and its coherence between "dry to touch" and "dry through" in coatings.
	Shall we use other driers at the same time?
	No. The complex-drier can carry out the whole drying process for coatings without any other driers.
	Does the complex-drier contain Pb?
	No, it dose not contain Pb. So it can be used to paint edible tins, toys and eliminates the environmental pollution. It is nontoxic and innocuity.
	Why the paint & coatings with complex-drier appear in light color?
	When the multivalent metal ion in complex-drier plays a part in the coatings, it is oxygenated to be a high valence ion. This metal ion only appears to be light yellow, which is lighter than the color of the resins and the purple of the Co drier. Therefore, it can be used in varnish or light color paint to get a good color notation.
	Whether the coatings with the complex-drier can be painted at raining and cold days?
	Yes. By using this drier to the coatings, the painting operation can continue to be carried out even if it encountered with a low temperature and high humid weather.
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