P213 is a roving produced by assembling E-glass strands with a sizing specially designed for reinforcement of polypropylene.

OC® SE 4121 is an advanced member of the Single-End Continuous Rovings (Type 30) family. This product is specially designed for use in polypropylene long-fiber thermoplastic (LFT) applications. OC SE 4121 has a unique chemistry that is designed to be suitable with Direct-LFT processes as well as with pellets manufacturing. OC SE 4121 is also suitable for processes using long chopped fibers.

The ME1037 has a highly soluble Polypropylene-compatible sizing that gives this roving its unique characteristics, and optimizes its use in the manufacture of glass mat thermoplastics for automotive and construction applications.