1.Product features: the product is reddish brown oily liquid, with aromatic hydrocarbon odor. It is insoluble in water, easily soluble in organic solvents. It is inflammable and non-corrosive. 

2.Technical index: 

3.Main ingredients: the product is prepared by high-temperature resistant polymerization inhibitor, antioxygen and antigum inhibitor, cleaning agent, dispersing, and metal ion passivator at a certain percentage. 

4.Application：Efficient polymerization inhibitor PI-70D is special chemical that is produced for coarse benzene hydrogenation device. It can effectively inhibit the polymerization of unsaturated materials and has favorable cleaning and dispersing effects on gum that has been formed. 

5.Usage and dosage: recommended usage amount: 100-200PPM. 

6.Packing: iron drum, net weight 185kg/drum.