Belzona 5871 is a two-component, polymeric, solvent free system providing a thermal insulation barrier with corrosion protection and thermal and sub- zero “cool-to-touch” properties.
This material is designed to be applied to metal pipework, ducting and other industrial equipment. Belzona 5871 is thermally insulating, providing protection against contact-burn injuries, eliminates corrosion/CUI, condensation and anti-icing, improving safety and durability.
Belzona 5871 can be applied by brush, cartridge or plural spray, expanding upon application to produce a lightweight, closed-cell foam. This reduces the surface temperature of metallic substrates to below 60°C (140°F) whilst providing corrosion protection.
Key Benefits
Excellent corrosion resistance prevents corrosion and eliminates corrosion under insulation (CUI)
Belzona 5871 can be brush or spray-applied, for both small, complex geometries or rapid application over a large area
Thermal and sub-zero cool-to-touch properties provide worksite personal protection and safety against contact-burn injuries
Expands up to three times the thickness it was originally applied, reducing the numbers of layers needed compared to conventional coating systems
Thermal insulation reduces the amount of heat transfer through a surface, increasing the efficiency of equipment
Solvent-free system
Applications for Belzona 5871
Pipework
Ducting
Tank/Vessel Externals
Industrial machinery and equipment
Key technical data:
Mixing ratio (Base : Solidifier)
2 : 1 by volume
2.3 : 1 by weight
Working life
20 minutes at 20°C (68°F)
Cool-To-Touch Surface (ASTM C1055)
Belzona 5871 can be used to prevent contact-burn injuries by reducing the surface temperature of metallic substrates to below 60°C (140°F)
Thermal Conductivity (Lee’s Disc)
0.1 W/m.k
Salt spray resistance (ASTM B117)
Belzona 5871 tested as one-coat system (at 3mm cured thickness), cured at 20°C/68°F and post cured at 120°C/248°F respectively, will show no signs of failure after 3000 hours continuous exposure
Corrosion Under Insulation (CUI)
Belzona 5871 will show no signs of failure after 1000 hours simulated CUI, cycled between 60°C (140°F) and 120°C (248°F), with alternating, hourly dry and wet periods
Unit size
8 x 0.6 L or 2 x 7.5 L. Pack sizes may vary locally
Availability*
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