First I've heard of this not air drying...never had an issue in well over 20 years of using it.
I have recently switched to Carpro Perl diluted for interior or exterior uses and love it as well.
Perl works great too. I like the 303 for the UV protection. From the Gold Eagle Website
303® Aerospace Protectant has powerful UV blockers prevent fading & cracking. Safe for use on vinyl, plastics, rubber, leather and more.
www.google.com
USAGE DIRECTIONS:
Use only on clean surfaces. For best results use 303
Multi-Surface Cleaner. Place a drop cloth under the cleaner to be treated to catch any overspray. Out of direct sun, spray surface with 303
Aerospace Protectant and WIPE COMPLETELY DRY. If streaking occurs, too much product has been used. Use a wet towel to remove excess, IMMEDIATELY WIPE COMPLETELY DRY.
Note: this product does not air dry. Extra buffing with a dry cloth INCREASES bonding, repellency & longevity. Apply every 3-5 weeks for maximum UV protection.
Great for use on a variety of surfaces such as: vinyl, leather, plastics, synthetic & natural rubber, PVC, gel coat & fiberglass.
Ideal for: Hypalon inflatable boats, wet/dry suits, tires, side-out seals, RV EDPM rubber roofing (for your safety, never walk on a wet roof), helmets, visors, and goggles. Not for use on unfinished leathers (such as suede), fabrics (canvas), floorings, clear plastics, gauge panels, or headlights.
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