Do you paint it on, let it dry and then heat it up until it melts?

Paint it on, let it dry, which takes almost no time. Than do your test for heat. Some advice... keep the bottle tightly closed and in an upright position. The solvent they use is highly volatile and if bottle is left open, it will dry out quickly.

Is there a special type of thinner needed?

Tempilaq comes ready to use right out of the bottle. I believe the manufacturer does make a thinner if yours gets too thick over time...

How long before the product you will ship me will expire? It's the 399/750 version

Can't how long before the product will ship that is up to Amazon. I do not think there is an expiration date I have used mine for several years.

The picture shows the temperature indicating fluid and thinner. does this product come with a bottle of thinner?

The product that I purchased was a single bottle product. I would have had to purchase thinner seperately. As Micky-1 stated, it would depend on who is selling it and how it is priced. This appears that it would not include the thinner

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Tempil 24423- TEMPILAQ Advanced TL060 Temperature Indicating Liquid, 399 Degree C/750 Degree F, 2 oz.Ideal for Heat Treating, Brass Annealing, and Glass Production, Made in USA

Tempil 24423- TEMPILAQ Advanced TL060 Temperature Indicating Liquid, 399 Degree C/750 Degree F, 2 oz.Ideal for Heat Treating, Brass Annealing, and Glass Production, Made in USA

Product ID: 66213456

Details

Age Range (Description)
Adult
Brand
Tempil
Color
color does not
Display Type
Analog
Included Components
2 oz Bottle
Model Name
Tempilaq

⏱️2000ms fast response

🌡️±1% °F accuracy

🖌️Easy in-cap brush application

$132.55

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Nail the perfect temp every time—because precision is the new power move.

SAFE SUSTAINABLE - n-Propyl Bromide-free formula designed for safe, hassle-free use with minimal mixing.
EFFORTLESS APPLICATION - Integrated in-cap brush lets you apply quickly on any surface—no extra tools needed.
SPEED MEETS SIMPLICITY - Fast 2-second response time ensures you never miss critical heat thresholds.
PRECISION YOU CAN TRUST - Achieve surface temperature readings within ±1% Fahrenheit for flawless quality control.
CALIBRATION FREE CONFIDENCE - No calibration required—just apply and get reliable temperature indication every time.

Tempilaq Advanced TL060 is a high-accuracy, reusable temperature-indicating liquid that instantly signals when surfaces reach 399°C/750°F. Designed for industrial heat treating, brass annealing, and glass production, it applies easily with an in-cap brush, requires no calibration, and delivers reliable results within ±1% Fahrenheit. Safe, fast-acting, and made in the USA, it’s the go-to solution for professionals demanding precision and efficiency in temperature monitoring.

Specifications

ASIN	B00PL7SEUU
Additional Features	High Accuracy
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#105,005 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #18 in Temperature Indicators
Brand	Tempil
Brand Name	Tempil
Color	color does not matter for temperature indication
Customer Reviews	4.5 out of 5 stars 516 Reviews
Display Type	Analog
Global Trade Identification Number	00048615244235
Included Components	2 oz Bottle
Indoor Outdoor Usage	Indoor
Item Length	3.75 Inches
Manufacturer	Tempil
Model	024423
Model Name	Tempilaq Advanced 750F/399C
Outer Material	Polypropylene
Part Number	24423
Product Care Instructions	Wipe Clean
Response Time	2000 Milliseconds
Reusability	Reusable
Smart Home Compatibility	Not Smart Home Compatible
Special Feature	High Accuracy
Style Name	399 C/750 F
UPC	048615244235
Unit Count	1 Count
Upper Temperature Range	750 Degrees Fahrenheit
Warranty Description	2 year manufacturer

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Received my product in pristine condition. Great service overall.

1 month ago

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$132.55

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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