S19 Pro Thermal Paste Stencil – Grease Application Tool for Hashboard

S19 Pro Thermal Paste Stencil – Precision Grease Application for Hashboard Heatsink Upgrades

This thermal paste stencil provides precision grease application on Antminer S19 Pro hashboards during heatsink installation or replacement. Made from reusable reinforced polymer, it covers all components except the ASIC chips, ensuring clean, even thermal paste distribution without spillage onto sensitive electronics. Reduces application time by roughly 70% compared to freehand methods and eliminates the inconsistent coverage that causes hot spots and hash rate instability.

Why a Stencil Beats Freehand Application

Applying thermal paste freehand on a densely packed hashboard is slow and error-prone. Too much paste squeezes onto adjacent components, too little leaves air gaps that insulate instead of conducting heat. This stencil masks everything except the chip surfaces, so a single scraper pass deposits the correct amount exactly where it's needed. The result is uniform thermal contact, lower peak chip temperatures and more consistent hash rate across the board.

How to Use

Align the stencil over the cleaned hashboard so the cutouts register with the chip positions. Apply thermal paste across the stencil surface with a scraper or brush in a single pass. Lift the stencil vertically. Mount the heatsink immediately while the paste is still wet. Clean the stencil with isopropyl alcohol for reuse.

S19 Pro Thermal Paste Stencil Specifications

Related Thermal Paste Stencils & Hashboard Tools

• S19A Thermal Paste Stencil – Hashboard Application
• S19XP Thermal Paste / Tin Template Stencil
• S19j Pro Hashboard Thermal Paste Application Tool
• S19j Pro L Large Chips Thermal Paste Tool

Upgrading heatsinks across an S19 Pro fleet? Contact us at contact@lys-sz.com for stencils, thermal paste and heatsink kits.

Worldwide shipping from our Shenzhen warehouse.