Is this sufficent for an i9-9900k proc?

Yeah it should work just fine for any processor. Paste normally won't be the thing holding any performance back.

Can I use the THM CORSAIR TM30 CT-9010001-WW R thermal paste as my main thermal paste?

Yes, the CORSAIR TM30 Performance Thermal Paste is designed for optimal thermal performance and can be used as a main thermal paste for your CPU and GPU.

Is anything special required to remove this and clean the surfaces after a few years of "cooking" with a CPU? For example, does this form an epoxy-like bond after years of high-temp use? I've had CPU cases pop off while trying to separate heat-sink and CPU when I've used some semi-liquid compounds and on other CPUs the gunk left was almost impossible to clean off.

99% isopropyl alcohol and a toothbrush worked for me. Also you could try running the computer getting it hot then shut down and try to remove cpu cooler while its hot and soft

Do I need to purchase this if I'm getting a new CPU and a liquid cooler for the CPU?

It depend on how much you trust on the existed thermal paste in new liquid cooler. If u think it not good, you can buy this one

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CORSAIR TM30 Performance Thermal Paste, CT-9010001-WW.

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Premium Zinc Oxide based thermal compound for optimal thermal performance.
Install new, or replace existing, thermal compound on your CPU and GPU to improve heat transfer and lower temperatures.
Ultra-low thermal impedance lowers CPU temperatures vs common thermal paste.
CORSAIR TM30’s low-viscosity allows it to easily fill microscopic abrasions and channels for peak thermal transfer.
Once installed, CORSAIR TM30’s high-stability liquid compound lasts for years with no drying, cracking or change in consistency.
Non-conductive, non-toxic and contains zero volatile compounds.

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TM30 PERFORMANCE THERMAL PASTE

Best Seller Ranking	#2 in Thermal Compound / Grease

Model
Brand	Corsair
Series	TM30 Performance Thermal Paste
Model	CT-9010001-WW

Details
Volume / Net Weight	3.5g
Thermal Conductivity	3.8 W/mK
Specifications	CORSAIR TM30 thermal paste helps you push your PC to its limit, with a low-viscosity premium zinc oxide thermal material that’s easy to apply. TM30’s ultra-low thermal impedance ensures high-efficiency heat transfer between your hardware and cooler, lowering temperatures and allowing for higher clock speeds. Net Weight: 3g Thermal Conductivity: 3.8 W/mK Thermal Impedance: 0.01°C -in2/W Viscosity: 2300K cPs Specific Gravity: 2.5g/cm3

Features
Features	Enthusiast CPU Thermal Compound: Premium Zinc Oxide based thermal compound for optimal thermal performance Cools your CPU and GPU: Install new, or replace existing thermal compound on your CPU and GPU to improve heat transfer and lower temperatures Improved CPU Cooling: Ultra-low thermal impedance lowers CPU temperatures vs common thermal paste Fill in the Gap: CORSAIR TM30’s low-viscosity allows it to easily fill microscopic abrasions and channels in your CPU and cooler, for maximum thermal transfer area Long Life: CORSAIR TM30’s high-stability liquid compound lasts for years with no drying, cracking or change in consistency Safe For You And Your PC: Non-conductive, non-toxic and contains zero volatile compounds

Additional Information
First Listed on Newegg	July 02, 2026

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