High Teck technical guidance states to shake or stir the 7503 catalyst before mixing. Manufacturer: High Teck.
High Teck 7500 & 7503, Dark Gray High Build Epoxy Primer W/Catalyst, 1:1
High Teck 7501 & 7503, Black High Build Epoxy Primer W/Catalyst, 1:1
High Teck 7502 & 7503, White High Build Epoxy Primer W/Catalyst, 1:1
High Teck Products 1020-4 Urethane Paint Catalyst, 1 qt, Liquid, Use With: 2.8 V
High Teck Products 1020-16 Urethane Paint Catalyst, 1/2 pt, Liquid, Use With: 2.
High TecK 1020 Urethane Paint Catalyst, 1 qt, Liquid, Use With: 2.8 VOC Singl