Corrosion resistance PP plastic bearings■ pp (wmm) mrnmm, pp&nwgsmmixmim. fKSHffli, ivm»i. imu^M+5°c~+ioo°c0 PP ( Polypropylene ) shows a high mechanical strength, tensile strength, but a low notched impact strength, PP resists stress cracking and it is easy to weld. At minus temperatures it can get brittle. The chemical and electrical properties are very good. The temperature ranges between +5°Cand +100°C. • Advantages Low density Good heat resistance High tensile strength High surface strength High chemical resistance Food safe • Disadvantages Low oxidation resistance Low abrasion resistance HF-welding not possible Difficult to varnish and glue Not weather resistant