1.Manufacturer of Thiourea 2.Competitive price 3.Free sample 4. ISO 9001 5. Supply this product ... CNS) %≤0.02Melting point1712. Packing: Each 25kg stored in one plastic woven bag, lined with PE bag 3. Use:1, thiourea ... of metallic mine3, dyeing auxiliary; 4, rubber accelerator; Thiourea 99% ( low price )