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

⏱️Fast 2000ms response

🌡️Accurate ±1%°F / ±3%°C

🖌️Easy in-cap brush application

$131.15

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Description

🌟 Nail your heat game with Tempilaq Advanced—where precision meets simplicity!

SAFE ECO CONSCIOUS - Formulated n-Propyl Bromide-free for worry-free use in professional environments.
EFFORTLESS APPLICATION - Built-in brush lets you apply on any surface—horizontal or vertical—in seconds, no extra tools needed.
INSTANT VISUAL FEEDBACK - Melts at target temp leaving a clear, unmistakable mark—no guesswork, no delays.
PRECISION YOU CAN TRUST - Achieve pinpoint temperature accuracy within ±1% Fahrenheit for flawless heat treatment.
COST EFFECTIVE QUALITY CONTROL - Prevent costly errors and ensure product excellence with a reusable, reliable temperature indicator.

Tempilaq Advanced TL060 is a US-made, industrial-grade temperature indicating liquid that visually confirms surface temperatures up to 750°F (399°C) with ±1%°F accuracy. Featuring a quick 2-second response and easy brush-on application, it’s designed for heat treating, brass annealing, and glass production. Safe, reusable, and calibration-free, it’s the go-to solution for professionals demanding reliable, cost-effective temperature verification.

Specifications

ASIN	B00PL7SEUU
Additional Features	High Accuracy
Age Range Description	Adult
Best Sellers Rank	#155,395 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #37 in Temperature Indicators
Brand Name	Tempil
Color	color does not matter for temperature indication
Customer Reviews	4.5 4.5 out of 5 stars (354)
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
Style Name	399 C/750 F
UPC	048615244235
Unit Count	1 Count
Upper Temperature Range	750 °F
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.

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$131.15

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

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