Dyes are always thermosensitive materials and the key technology of dyes spray granulating is to get bigger granulars and more narrow distribution of granularities on the precondition of good quality.

• 染料是热敏性物料，在不破坏产品质量的前提下获得较大的颗粒和较窄的粒度分布是染料喷雾造粒的技术关键。