Factory Location: No.8 Kangda Road, Dongcheng Part,Yunpu Industrial Zone

Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

Sample Provided: no

PH: Neutral reaction 4,4′-Dihydroxystilbene and related ethers:not greater than 0.50%. Mono- and dimethyl ethers: Mono ethers＜0.5% Dimethyl ethers＜0.5% Melting point: about 172 °C. Loss on drying:≤0.5% Sulphated ash: ≤0.05% Assay 97.0%-101.0