
Cooler Master
Cooler Master RG-ICE1-TG15-R1 Ic-essential E1 Thermal Grease
Reliable, non-conductive thermal interface material that bridges the gap between heatsink and die without adding electrical risk.
$6.99*
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*Price sourced from Amazon.com. Last updated:Sep 14, 2026.Price and availability are subject to change — details.
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Overview
Key Features
High Performance
Grey Edition
1.5ml
Specifications
Edition
Grey Edition
Volume
1.5ml
Frequently Asked Questions
What is the thermal conductivity rating of the IC Essential E1, and how does it compare to other pastes?
Cooler Master specifies the E1 as high-performance but does not publish a precise W/m·K figure in the product documentation. In practice it performs as a mid-tier compound — meaningfully better than the pre-applied pads found on budget coolers, though enthusiast-grade compounds like those above 10 W/m·K will outperform it under sustained heavy load.
Is this paste electrically conductive, and is there a risk of damage if it spreads onto nearby components?
No — the IC Essential E1 is explicitly non-conductive and non-corrosive. Accidental spread onto capacitors or socket contacts near the die won't cause a short, which makes it a reasonable choice for less experienced builders who want a margin of safety during application.
How much coverage does 1.5ml provide?
1.5ml is enough for approximately 3–5 full CPU applications depending on die size and method. On a standard desktop CPU die, a pea-sized center application of 0.3–0.4ml spreads adequately under cooler pressure. Larger dies (HEDT platforms, some AMD Threadripper) will consume more per application.
Does the kit include anything to help with application and removal?
Yes — the package includes a grease cleanser and a scraper, which are practical additions that lower the barrier for first-time application or re-application after a cooler swap. The cleanser helps remove cured residue cleanly from both the heatspreader and cooler base.
How long does the IC Essential E1 last before it needs to be reapplied?
No manufacturer-specified longevity figure is published, but gray silicone-based compounds at this tier typically remain effective for 2–4 years under normal operating conditions. Watch for rising CPU thermals over time as the primary signal that reapplication is warranted.