What hardener should be used for what temp? Slow for hight temp fast for low temp?

Hardener Selection Chart FH611 (Fast Hardener): 55°-75°F FH612 (Medium/Standard Hardener) 70°- 90°F FH613 (Slow Hardener) 85°F and above

Can this be used on head lights?

I’m not sure I agree, I have been doing headlights in my downtime using High Solids Urethane Enamel for years and cars I did three years ago look good

What is the mix ratio?

Hello! Mixing ratio 4 parts clearcoat 1 part activator. Thank you!

Can this clear be mixed with another 4:1 acrylic clear brand?

I wouldnt advise mixing different brands together.

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Finish 1 Automotive Refinish Ultimate Overall Clearcoat (FC720), 1 Gallon | Medium Universal Hardener (FH612), 1 Quart Included

Product ID: 44158982

Details

Brand
SHERWIN
Color
Clear
Finish Type
Gloss
Item Volume
1 gallons
Paint Type
Spray
Size
1 Gal with

✨High-gloss finish for showroom shine

🚗Flake-resistant, durable automotive protection

⚙️4:1 precise mixing ratio for perfect curing

243393CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚘 Elevate your ride’s shine to ultimate perfection — don’t just refinish, redefine!

PRECISION MIXING - 4:1 ratio with included universal hardener ensures flawless curing every time
TRUSTED DURABILITY - Flake-resistant and water-resistant formula keeps your vehicle looking fresh, rain or shine
SHOWROOM READY GLOSS - Delivers a mirror-like finish that turns heads on every drive
EFFORTLESS APPLICATION - Cross-coat technique allows smooth layering and easy polishing for pros and DIYers alike
VERSATILE COMPATIBILITY - Perfectly bonds with automotive basecoats and single-stage enamels for seamless refinishing

Sherwin Williams Finish 1 Ultimate Overall Clearcoat is a high-solids urethane clearcoat designed for professional-grade automotive refinishing. It offers exceptional gloss, distinctness of image, and leveling, with a 4:1 mixing ratio including a medium universal hardener. Ideal for use over basecoats and single-stage enamels, it provides durable, flake-resistant protection with easy application and polishing, making it a top choice for automotive professionals and enthusiasts aiming for flawless results.

Specifications

ASIN	B01MR96I32
Age Range Description	Adult
Best Sellers Rank	#3,294 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Clear Coats
Brand Name	SHERWIN WILLIAMS
Color	Clear
Color Code	FFFFFF
Container Type	Can
Coverage	Medium
Customer Reviews	4.7 4.7 out of 5 stars (1,770)
Finish Type	Gloss
Included Components	Hardener
Is Waterproof	False
Item Form	Liquid
Item Volume	1 gallons
Manufacturer	Sherwin-Williams
Model Name	Finish 1 Ultimate Overall Clearcoat
Paint Type	Spray
Part Number	FC720
Size	1 Gal with Medium Hardener FH612
Special Features	Flake Resistant
Specific Uses For Product	Interior/Exterior
Surface Recommendation	Automotive Metal
UPC	029316010145
Unit Count	160 Fluid Ounces
Water Resistance Level	Water Resistant

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