Pp - r for polyolefin polymers, its molecules contain only pp-r for polyolefin polymer compound, its molecules contain only pp - r for polyolefin polymer compound, its molecules contain only pp - r for polyolefin polymer compound, its molecules contain only pp - r for polyolefin polymer compound, its molecules contain only pp - r for polyolefin polymer compound, its molecules contain only pp - r for polyolefin polymer compound, its molecules contain only pp - r for polyolefin polymer compound, its molecules contain only pp-r for polyolefin polymers,
The molecule contains only pp-r, which is a polyolefin polymer compound
