System 7 Superflex Fabric Primer Base - Gallon

The SF7500 System 7 fabric primer is the shining star of the Superflite urethane system.  It is a high build flexible primer with excellent filling and sanding properties.   Mixing Ratio: Mix 4 parts SF7500 primer base with 1 part SF7600 primer catalyst.  May be reduced up to 50% with any of the 7800-series reducers. Pot life at 77ºF: 1 hour Clean up: Use lacquer thinner, MEK, acetone, or any of the 7800-series reducers. Gun Setups: Conventional Gravity Feed:  1.4mm-1.8mm Siphon Feed:  1.4mm-1.8mm Air Pressures: Conventional at Gun Gravity Feed:  30-40psi Siphon Feed:  35-45 psi HVLP at cap:  8-10 psi Application: Apply medium wet coats over substrate to desired film thickness Allow 10-25 minutes between coats; Scuff after 4 hours before applying topcoat or recoating Clean gun after spraying is completed Safety: A fresh air breathing system is required when spraying this product.