Designed for rigorous wire marking applications, PermaSleeve® PS Heat Shrink Polyolefin (B-342) sleeves combine speed, ease of use, and permanence to create long lasting, high quality identification. Industrial Grade – Extreme temperature resistance, UV resistant, Chemical resistant, Fuel and Oil resistant, Self-extinguishing. Superior Aesthetics – Crisp, clear identification resistant to abrasions and fading. Certifications – UL Recognized to UL 224, RoHS Compliant to 2011/65/EU (Pass 2015/863), SAE AS230