Technical Notes & Studies Technical Notes Catalyst Masterbatches Minimum Dosage Levels for Kafrit NA PEX Compounds Cold Expansion Fittings Use with Tubing made from Kafrit NA Cross-linked Polyethylene Gas Fading Color Change of Products made with White Catalyst Masterbatches Light Stabilization Protection of Silane Cross-Linkable PEX tubing materials Material Conditioning Recommendations for Kafrit NA PEX Catalyst and Graft Compounds Metal Deactivation Protection of Silane Cross-Linkable PEX tubing materials Case Studies Metal Deactivation Study