Creality Heating Block Silicone Cover (23x23x17) - Flame-Retardant Sil

Protect your hotend and improve print quality, as this silicone sock fits heating blocks sized 23x23x17 mm. Also, it helps keep heat steady and cuts filament splash during printing.

SKU SMD-4004010138 is listed for this part, and you may also see 4004010138 used.

• Made from flame-retardant silicone, so it adds a safety layer around the block.
• Heat resistant for standard 3D printing temps, therefore it works with most filaments.
• Precision fit at 23x23x17 mm, thus it hugs the block without slipping.
• Easy to clean, so dried filament peels away quickly after cool down.
• Matte finish reduces light reflection, and it helps when using part cooling fans.

• Compatibility: fits Creality hotends on Ender and CR series, and many MK8-style blocks.
• Material: high-temp, flame-retardant silicone, therefore safe for typical printer use.
• Dimensions: 23 x 23 x 17 mm, so it matches small square heating blocks.
• Color: typically black or gray, and it blends with most hotend assemblies.

Benefits are clear, and this cover reduces oozing while improving temperature consistency. Also, it cuts the need for frequent block cleaning and boosts print reliability.

Installation is simple, so slide the sock onto the block when the hotend is cool. Then, check heater and sensor fit before running your next print.

Package includes one silicone cover, and it ships ready to install.

Warranty: up to 12 months limited warranty applies, so check seller terms for details.