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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✨ Elevate your finish game with flawless clarity and durability!

ODOUR BLOCKING TECHNOLOGY - Work comfortably with reduced fumes, ideal for busy workshops.
PRECISION 4 1 MIXING RATIO - Consistent, professional results every time with easy hardener blending.
SUPERIOR IMPACT RESISTANCE - Protect your finish with a tough, durable clearcoat that lasts.
MIRROR LIKE GLOSS DEPTH OF IMAGE - Achieve showroom-quality shine that turns heads.
OPTIMIZED FOR DRY AIR ENVIRONMENTS - Engineered to perform flawlessly in power or dry air setups.

Finish 1 Ultimate General Clearcoat FC720 is a high-strength urethane acrylic clearcoat designed for professional-grade repairs and refinishing. It delivers exceptional gloss, depth of image, and leveling in dry air environments, with a precise 4:1 mixing ratio and superior impact resistance. Ideal for power applications, it also features odour blocking for a more comfortable working experience.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Manufacturer	Sherwin-Williams
Part Number	FC720
Product Dimensions	20.32 x 20.32 x 25.4 cm; 5.03 kg
Manufacturer reference	FC720
Size	MEDIUM-HARDENER-FH612
Finish	Gloss
Material	acrylic
Item Package Quantity	1
Coverage	Medium
Special Features	Odour Blocking
Batteries included?	No
Batteries Required?	No
Item Weight	5.04 kg

Finish 1 Ultimate General Clearcoat, FC720, 1 gal/with hardener

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