PP is very chemically resistant material. Noticeable influence on it have only strong oxidizing agents - chlorosulfonic acid, fuming nitric acid, halogens, oleum. Concentrated 58% sulfuric acid and a 30% hydrogen peroxide at room temperature are negligible for the polypropylene material. Prolonged contact with these reagents at 60 ° C and above causes degradation of Polypropylene.
Polypropylene in organic solvents at room temperature swells slightly. Above 100 ° C it is soluble in aromatic hydrocarbons such as benzene, toluene.
Compared to PE material, PP shows improved hardness particularly in the upper temperature range (up to +100 ° C). Notable are the high chemical resistance to many environments and good long term characteristics even at high temperatures.
Polypropylene rods / PP
Polypropylene rods are made of tough, lightweight material with high impact resistance and good mechanical strength which can stand temperatures up to 100 С. Polypropylene rods have lower water absorption and are resistant to many acids, alkalis, and organic solvents. Rods made of Polypropylene also have good thermal and ..
having a polar structure posess a very high molecular mass. This makes Polypropylene PP Sheet highly resistant to chemicals and to aqueous solutions of salts, acids and alkalis. Polypropylene homopolymers have a high level of stiffness and toughness at room temperature. This together with the Polypropylene sheet capacity ..