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❄️ Keep your laser cool, powerful, and unstoppable—because your craft deserves nothing less!
OMTech CO2 Laser Coolant is a prediluted, ethylene glycol-based heat transfer fluid designed specifically for CO2 laser engravers. It protects laser tubes from freezing down to -31°F, features ultra low electrical conductivity (10µS/cm) to prevent damage, and includes corrosion inhibitors to extend tube lifespan. Compatible with all CO2 laser chillers, this ready-to-use coolant ensures efficient heat removal and stable laser operation, backed by 2 years of support and fast US shipping.













| Best Sellers Rank | #30,042 in Automotive ( See Top 100 in Automotive ) #81 in Antifreezes & Coolants |
| Customer Reviews | 4.7 out of 5 stars 153 Reviews |
J**N
Good product
It keeps my laser, engraver, cool
R**N
Works Great and Handled a Sub-Zero Winter Just Fine
This coolant does exactly what laser coolant is supposed to do, and it does it well. It worked great in my setup, and I had no issues with it. It also made it through a sub-zero winter just fine, which gave me a lot of confidence in it. It’s a solid choice if you want something dependable for your laser chiller system.
P**E
Good Value
On time and exactly what was advertised
S**A
Great Laser Cooling Fluid
This product worked very well for our Nd:YAG laser cooling systems. Highly recommend it.
J**E
Ease of use and great price.
Excellent product to use with your CO2 chiller. The value of 20.00 per bottle is great. Easy to use twist n pour no measuring. All of the AI I use stage the compatibility is perfect. Highly recommended versus distilled water.
L**Y
Must have for an outside shop
Great stuff for cooling your CO2 laser! More balance cooling and heat Transfer. A absolute must if you’re in an outside shop. OMTech is the only place I found that sells it. Although buying direct through them it takes a long time and packaging isn’t that great, took a couple of weeks and the packaging didn’t make it, shipper sent it back, OmTech direct was gonna take weeks to verify the damage and resend so I got a refund. Buying through Amazon is faster (days), better packaging, and a much better customer experience.
D**E
Great
Always buy the real Stuff. Great quality. Your laser will thank you.
J**S
Great
Fast and perfect
Trustpilot
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