--- product_id: 212479418 title: "Boron Nitride Paste (5 cc) by Slice Engineering | Improve Conductive Heat Transfer | Maintain Stable Temperatures | 3D Printing | Thermowells | RTD Sensors | Thermistors | Thermocouples | Heaters" brand: "slice engineering" price: "£17.34" currency: GBP in_stock: true reviews_count: 12 category: "Slice Engineering" url: https://www.desertcart.co.uk/products/212479418-boron-nitride-paste-5-cc-by-slice-engineering-improve-conductive store_origin: GB region: United Kingdom --- # Water-soluble cleanup 31.4 W/mK thermal conductivity Stable up to 850°C in air Boron Nitride Paste (5 cc) by Slice Engineering | Improve Conductive Heat Transfer | Maintain Stable Temperatures | 3D Printing | Thermowells | RTD Sensors | Thermistors | Thermocouples | Heaters **Brand:** slice engineering **Price:** £17.34 **Availability:** ✅ In Stock ## Summary > 🔥 Elevate your thermal game — because your prints deserve precision! ## Quick Answers - **What is this?** Boron Nitride Paste (5 cc) by Slice Engineering | Improve Conductive Heat Transfer | Maintain Stable Temperatures | 3D Printing | Thermowells | RTD Sensors | Thermistors | Thermocouples | Heaters by slice engineering - **How much does it cost?** £17.34 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/212479418-boron-nitride-paste-5-cc-by-slice-engineering-improve-conductive) ## Best For - slice engineering enthusiasts ## Why This Product - Trusted slice engineering brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Maintenance:** Water-soluble paste means quick, clean removal—no greasy residue, no hassle. - • **Safe & Smart Application:** Non-electrically conductive formula eliminates short circuit risks for worry-free use. - • **Stay Cool Under Pressure:** Maintain precise temperature control with stability up to 850°C, ensuring consistent print quality. - • **Secure Sensor & Heater Fit:** Acts as a reliable potting agent, firmly holding heaters and sensors in place for long-term durability. - • **Optimize Heat Transfer Like a Pro:** Maximize your 3D printer’s efficiency with industry-leading 31.4 W/mK thermal conductivity. ## Overview Boron Nitride Paste by Slice Engineering is a high-performance thermal interface solution designed to optimize heat transfer in 3D printing and industrial sensors. With a thermal conductivity of 31.4 W/mK and temperature stability up to 850°C, it ensures accurate temperature readings and extends component lifespan. Its non-electrically conductive, RoHS and REACH compliant formula offers safe, reliable use, while water solubility guarantees easy cleanup. Ideal for hot blocks, thermowells, RTD sensors, thermistors, thermocouples, and heaters, this paste secures components firmly, preventing air gaps and enhancing overall thermal efficiency. ## Description Boron Nitride Paste offers improved thermal performance by optimizing conductive heat transfer through 3D printer hot blocks, thermowells, RTD sensors, thermistors, thermocouples, and more. This paste is non-electrically conductive, stable at high temperatures, and acts as a reliable potting agent. Specially formulated to ensure efficient heat transfer, it optimizes conductive heat transfer through 3D printer hot blocks, thermowells, RTD sensors, thermistors, thermocouples, and more. It minimizes air graps and promotes even heat dispersion across components. When used in 3D printing, Boron Nitride Paste effectively transfers heat from the heater cartridge to the hot block and optimizes the sensor's capability of reading that heat. This enhances the effiency of your hot block, extends your heater’s lifespan, and ensures accurate temperature measurement.It's also the ideal potting agent when installing heaters and temperature sensors. Mosquito® and Copperhead® hot blocks use retaining screws to hold the heater and sensor in place instead of clamps (which can put unnecessary pressure on the cartridges and reduce their lifespan), requiring Boron Nitride Paste as a potting agent to hold the cartridges firmly in place. Boron Nitride Paste eliminates the risk of short circuits by being non-electrically conductive after being heated to 100°C, safeguarding your heater cartridge and thermistor. With high-temperature stability up to 850°C in air and 1800°C in a vacuum, it excels in demanding printing applications. RoHS and REACH compliant, it meets strict safety and environmental standards. It also offers the convenience of water solubility, allowing easy cleanup and maintenance. When disassembling or reconfiguring your 3D printer, carefully clean the components with water to remove the paste without any residue or greasy buildup. Review: More Reliable and efficient than Bambu Labs nozzle thermal paste! :D - I don't like that when I need thermal paste for my Bambu nozzles, I need to to buy a bare nozzle. I have many X1C nozzles for spare parts I figured out how to refurbish with the help of a lighter and tweezers. All of these nozzles needed new thermal paste, especially stuff that doesn't dry out. I decided to try this stuff. This paste is actually more efficient and reliable that Bambu's paste for their nozzles! I have had so fewer print problems by the nozzle temp being in consistent. Also, the Bambu stuff turns to powder and is super thin. Not this stuff. I can goop up the nozzle to my heart's content for full coverage under the heating element. Something great to note, when this stuff heats up, it almost glues the element to the nozzle for a full complete seal and contact to the nozzle! :D This stuff is great and well worth the price. My only gripe is that I wish that it came in a tub rather in a syringe because the stuff will explode out the end on your first try with a new one, and then when you take the ejected paste and put it back in the syringe, you have to make sure the pusher seats without it exploding again in that sitting. When you open up a used tube to get the paste out, it always comes out super fast and every time I have done this, too much comes out and I have to put it back in, what I can save. Review: Worth it. - It is easy to apply and it goes a long way, I use it to install any nozzle on my machines. It also easily cleans up with water and is inert so getting it on your hands is perfectly safe. It really does improve heat transfer just like thermal paste on a cpu is needed for the heatsink to work, but heatsink thermal grease cannot handle the higher Temps in a 3d printer nozzle. I have noticed a bump in extrusion rate on every machine I have used this on. ## Features - ✔️ IMPROVED THERMAL PERFORMANCE – Optimizes conductive heat transfer through 3D printer hot blocks, thermowells, RTD sensors, thermistors, thermocouples, heaters, and more - ✔️ ACCURATE TEMPERATURE MEASUREMENT - Minimizes air gaps and promotes even heat dispersion across components, ensuring accurate temperature measurements - ✔️ NON-ELECTRICALLY CONDUCTIVE - Eliminates the risk of short circuits by being non-electrically conductive after being heated to 100°C - ✔️ FORMULATED FOR SAFETY - RoHS and REACH compliant, it meets strict safety and environmental standards - ✔️ WATER-SOLUBLE CLEANUP - Offers the convenience of water solubility, allowing easy cleanup and maintenance - ✔️ EXTREMELY CONDUCTIVE - Maintains a thermal conductivity of 31. 4 W/mK at 100 °C - ✔️ RELIABLE POTTING SOLUTION - Ideal potting agent that firmly holds heaters & sensors in place ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B088CHBZQ4 | | Best Sellers Rank | #20,386 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #530 in 3D Printing Supplies | | Date First Available | May 8, 2020 | | Item Weight | 0.634 ounces | | Item model number | P-BNP-AC-0003 | | Manufacturer | ZYP Coatings | | Product Dimensions | 7 x 4 x 0.75 inches | ## Images ![Boron Nitride Paste (5 cc) by Slice Engineering | Improve Conductive Heat Transfer | Maintain Stable Temperatures | 3D Printing | Thermowells | RTD Sensors | Thermistors | Thermocouples | Heaters - Image 1](https://m.media-amazon.com/images/I/51dWlcLDTPL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: How can this not be electrically conductive but have water in it as another answer that was given, the 2 contradict each other?** A: That's a great question! Once the Boron Nitride Paste has been heated to 100 °C, the water evaporates and all that is left is the paste. Usually, computer components do not reach this high of a temperature, so the water inside the initial mixture will not evaporate. **Q: Is this more of an 'adhesive' by chance? i'm looking for a tidier way to keep water cooling blocks on my nema-17 steppers in 80c air, and love bn .** A: Once the Boron Nitride Paste is dried, it is hardened which makes it act as a weak adhesive. It would probably not be the best idea to use it to keep water cooling blocks attached to a stepper motor. **Q: Can this be used as cpu thermal paste? if not, why not?** A: It is not recommended to use our Boron Nitride Paste as CPU thermal paste as our Boron Nitride Paste contains water. A proper thermal grease would be a better option for this use case. **Q: I need a thermal paste to connect a thermostat cutoff switch to the outside of an oil heating (500 deg F) popcorn kettle. Will this work?** A: Slice Engineering Boron Nitride Paste is a thermal paste for improving conduction. We do not recommend that it be used as an adhesive. ## Customer Reviews ### ⭐⭐⭐⭐⭐ More Reliable and efficient than Bambu Labs nozzle thermal paste! :D *by D***K on March 5, 2026* I don't like that when I need thermal paste for my Bambu nozzles, I need to to buy a bare nozzle. I have many X1C nozzles for spare parts I figured out how to refurbish with the help of a lighter and tweezers. All of these nozzles needed new thermal paste, especially stuff that doesn't dry out. I decided to try this stuff. This paste is actually more efficient and reliable that Bambu's paste for their nozzles! I have had so fewer print problems by the nozzle temp being in consistent. Also, the Bambu stuff turns to powder and is super thin. Not this stuff. I can goop up the nozzle to my heart's content for full coverage under the heating element. Something great to note, when this stuff heats up, it almost glues the element to the nozzle for a full complete seal and contact to the nozzle! :D This stuff is great and well worth the price. My only gripe is that I wish that it came in a tub rather in a syringe because the stuff will explode out the end on your first try with a new one, and then when you take the ejected paste and put it back in the syringe, you have to make sure the pusher seats without it exploding again in that sitting. When you open up a used tube to get the paste out, it always comes out super fast and every time I have done this, too much comes out and I have to put it back in, what I can save. ### ⭐⭐⭐⭐⭐ Worth it. *by M***H on November 8, 2024* It is easy to apply and it goes a long way, I use it to install any nozzle on my machines. It also easily cleans up with water and is inert so getting it on your hands is perfectly safe. It really does improve heat transfer just like thermal paste on a cpu is needed for the heatsink to work, but heatsink thermal grease cannot handle the higher Temps in a 3d printer nozzle. I have noticed a bump in extrusion rate on every machine I have used this on. ### ⭐⭐⭐⭐⭐ I've been missing out for a long time! *by J***H on November 13, 2024* I ordered this for an all metal upgrade on a cheap bed slinger, but going to use this on every printer I've got going forward! Inititially, I bought this due to stringing after replacing the heatbreak with PTFE tubing down to the nozzle. I was a bit skeptical, but after filling the heater block (heater cartridge, thermistor, nozzle), as well as the heatsink chamber on the cold side my printer heats up faster and maintains temperature much better! The stringing is gone now, although I did have to make some adjustments - no fault of this paste though. This stuff truly works miracles. My only complaint is the tube it comes in, I tried to push as lightly as possible, but each time it builds up pressure until it shoots all over. Be careful if you haven't used it before, I used up 1cc on a single printer, but there was enough waste for probably 5 more! If you own a 3D printer, you need this! ## Frequently Bought Together - Boron Nitride Paste (5 cc) by Slice Engineering | Improve Conductive Heat Transfer | Maintain Stable Temperatures | 3D Printing | Thermowells | RTD Sensors | Thermistors | Thermocouples | Heaters - Slice Engineering Plastic Repellent Paint Repels Plastic & Prevents Buildup on the Nozzle | Get Enhanced Print Quality | Hassle-Free Application | Water-Based PTFE Nanosuspension (3 mL - 1 Pack) - Nozzle Torque Wrench: 1.5 Nm By Slice Engineering | Simplifies Nozzle Changes | Hassle-Free Nozzle Swaps | Correctly Seals Nozzle Onto The Hot Block | One-Handed Nozzle Changes with Mosquito Hotends --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/212479418-boron-nitride-paste-5-cc-by-slice-engineering-improve-conductive](https://www.desertcart.co.uk/products/212479418-boron-nitride-paste-5-cc-by-slice-engineering-improve-conductive) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*