Shanghai, China – Shanghai Hecheng Polymer Technology presented a recently launched mouldless rotocast PU prepolymer at PU China 2018.
The company specialises in making cast polyurethane prepolymers, systems, adhesives and additives.
The new product cures within 20 minutes, compared to China’s industry average of one hour, said general manager Dong Yulei. Dong said the prepolymer also has higher viscosity than other materials, but it produces parts with better mechanical performance and longer service life.
The new material also requires good quality machinery, said Dong. He went on to add that a few Chinese machine makers, such as Feilong and Zecheng, are able to meet such requirements.
Hecheng spent 18 months on the prepolymer’s research and testing. The company makes 100 tonne/month for applications such as mining engineering tyres.
With 3kT/year total capacity, the company had CNY 70m ($10m) in revenue in 2017. It expects to achieve more than CNY 100m in sales this year, although Dong admits the profits are likely to be down. It takes real effort to grab the market, he said.
Dong also notes the company’s prices – slightly lower than international competitors but roughly a third higher than domestic average – has put it in a difficult position. ‘Some clients would rather pay the premium and go with international companies,’ he said.