Features high tensile strength and excellent heat resistance for enhanced copier and printing efficiencyPropriatary binding technology results in very low levels of particles, nonvolatile residue (NVR) and ion extractablesUnique precision cutting technology guarantees consistent sizing and cleanlinessProduced in ISO 4 (Class 10) cleanroom RecyclableSuitable for use in ISO 4 to 5 (Class 10 to Class 1000) cleanrooms .