Guangzhou, China – Zhongyuan Pigment has a reactive dye used in polyurethane shoe soles and other footwear components.
Compared with additive dyes, reactive dyes can generate more even colouring. That is according to the company’s sales manager Yang Renfu. UTECH-polyurethane.com interviewed him at PUChina which was held in Guangzhou 5-7 September.
He added that compared to an additive dye, 20% to 30% less is needed to achieve the same colouring as an additive dye.
The new product also has better colour saturation, less migration. It has with higher wear and ultraviolet resistance than additive dyes, added Yang.
Based in Ningbo, Zhejiang, Zhongyuan also makes polyurethane systems, paint, release agent and other additives. It expects to have flat sales this year compared with 2018.
The company recently launched a new gelling catalyst for mattress and pillows. This is aimed at the US and European markets. Using it could make mattresses and pillows more breathable with a cooler touch in the summer, said Yang.