MGCoat logoMGCoatElectronic Circuit Waterproofing

Waterproofing Crypto-Mining Rigs for Immersion Cooling

MGCoat ·

Air cooling is the weak point of most mining farms: noisy fans, dust, hot spots, thermal throttling and a large share of the power bill spent just moving air. Immersion cooling flips that — submerging the hardware in liquid removes fans entirely and holds every chip at a stable temperature. The missing piece is protecting the electronics for a life under liquid, and that is exactly what MGCoat's plastic-based waterproof coating is built for.

Why immersion cooling outperforms air

Liquid carries heat away far more efficiently than air, so chips stay cooler and at a steady temperature. That means less thermal throttling, a more stable hashrate and the option to run tighter without hot spots. With no fans, the system is essentially 100% silent and far more reliable — fans and dust are among the most common causes of miner failure.

MGCoat: electronics that survive under liquid

MGCoat is an industrial, plastic-based nano coating that forms a hard, non-transparent, electrically insulating barrier on the board. Applied by dip, spray or brush at room temperature (no oven), it is designed for long-term immersion and multi-layer reinforcement of edges, vias and repair zones. Coated hashboards can be operated submerged once sensitive connectors and serviceable contacts are masked first.

Higher efficiency and a lower power bill

Stable, low temperatures let the hardware hold its rated hashrate instead of throttling, improving real output per machine. Removing fans and air-handling cuts the electricity spent on cooling, and steadier thermals reduce stress and downtime. The net effect is more hashes for each kilowatt — better efficiency and lower operating cost.

More machines in less space

Without fans and air gaps, immersion tanks pack hardware far more densely than shelves of air-cooled rigs — many more units in the same footprint. Combined with silent operation, that makes high-density deployment possible even on noise- or space-constrained sites.

How to coat a hashboard

Clean and fully dry the board, mask connectors, sockets, switches and any heat-transfer or serviceable surfaces, then apply MGCoat by dipping, spraying or brushing — building extra layers on edges, cable entries and repair points. Allow full curing and run a controlled powered test before deployment. Correct masking and sealing are essential.

Protection that extends hardware life

Beyond cooling, the cured layer shields boards from humidity, condensation, dust and corrosion and adds mechanical reinforcement to repaired areas — all factors that shorten miner life in normal farms. With correct application and curing, MGCoat is positioned as a long-term protective solution with a 10-year-plus design target.

MGCoat turns water from a risk into a cooling advantage: lower power and cooling costs, a steadier hashrate, silent operation and denser, longer-lasting farms. Send your hardware details on WhatsApp for application guidance and a quote.

Related articles
Get a quote on WhatsApp Full specs & pricing More articles