Event: CHINACOAT 2026 | Booth: 6.1G50 | Dates: 11–13 November 2026 | Venue: Area A, China Import and Export Fair Complex (Canton Fair Complex), GuangzhouAnhui Royal Chemical Co., Ltd. (Royalchem) will exhibit at CHINACOAT 2026 in Guangzhou from 11 to 13 November 2026. We invite formulators and

3,5-Dimethylpyrazole (3,5-DMP, CAS 67-51-6) is used as an isocyanate blocking agent in heat-activated polyurethane coating systems. This guide explains documented HDI/IPDI applications, factors affecting deblocking and curing, and how to evaluate assay, moisture and batch COA data. It also distinguishes 3,5-DMP from DMPP and explains the limits of published soil-incubation research.