Test items				Index
Thiourea                 %			≥	99
Heating Loss             %			≤	0.4
Ash                      %			≤	0.1
Water insoluble matter   %			≤	0.02
Thiocyanate              %			≤	0.02
Melting point    ℃				171
Packaging: 25kg, 1000kg weaving.