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 Sherwin-Williams Ultimate Clearcoat ⚡

PRECISION MIXING RATIO - 4:1 mixing ratio ensures consistent, professional results every time.
DURABLE URETHANE FORMULA - High solid urethane clearcoat delivers long-lasting protection and UV resistance.
VERSATILE DRYING OPTIONS - Perfect for both air dry and forced dry environments—flexibility that fits your workflow.
SEAMLESS BLENDING BUFFING - Engineered for flawless blending and easy buffing to eliminate imperfections.
EFFORTLESS HIGH GLOSS FINISH - Achieve showroom shine with superior gloss and depth of image (DOI).

Sherwin-Williams Finish 1 Ultimate Overall Clearcoat FC720 is a high solid urethane clearcoat designed for professional-grade results. It offers excellent gloss, depth of image, and leveling, suitable for both air dry and forced dry applications. With a precise 4:1 mixing ratio and superior blend and buff capabilities, it ensures durable, UV-resistant finishes that stand out.

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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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Manufacturer	Sherwin-Williams
Brand	SHERWIN WILLIAMS
Model	Finish 1TM Ultimate Overall Clearcoat FC720
Package Dimensions	26.03 x 19.43 x 16.64 cm; 5.01 kg
Manufacturer reference	FC720
Is Discontinued By Manufacturer	No
Special Features	Fast-Drying, UV Resistant
Item Weight	5.01 Kilograms

SHERWIN WILLIAMS Finish 1 アルティメットオーバーオールクリアコート, FC720, 1ガロン /硬化剤付き (硬化剤スロー - FH613)

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SHERWIN WILLIAMS Finish 1 アルティメットオーバーオールクリアコート, FC720, 1ガロン /硬化剤付き (硬化剤 スロー - FH613)

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions

SHERWIN WILLIAMS Finish 1 アルティメットオーバーオールクリアコート, FC720, 1ガロン /硬化剤付き (硬化剤スロー - FH613)