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SMET NHL 5
Application

An eminently hydraulic lime binder for the production of mortars particularly suited for ecological new build, restoration and preservation works in extreme weather environments and exposed areas. The product’s special composition allows the mortar product to breathe and also permits constant hygrometric exchange between the substrate and the environment.

Description

SMET NHL 5 is a high quality pure natural hydraulic lime binder, produced under an ISO 9001 and ISO 14001 quality system to BS EN 459-1. The eminent hydraulic strength development of SMET NHL 5 makes it suitable for producing lime mortars for masonry work, rendering, plastering base coats and limecrete in extreme weather environments and exposed areas.

Benefits:

  • Historical, gypsum and cement-free NHL.
  • Produces highly breathable mortars.
  • Highly sulfate resistant.
  • Low-stress hardening process.
  • Excellent subsequent hardening.
  • High water retention and elasticity in produced mortars.
  • Excellent bond properties to masonry.
  • EN 459-1.
  • CE marked.

Applications:

An eminently hydraulic lime binder for the production of mortars particularly suited for ecological new build, restoration and preservation works in extreme weather environments and exposed areas. The product’s special composition allows the mortar product to breathe and also permits constant hygrometric exchange between the substrate and the environment.

General information
Uniclass 2015
Pr_20_31_12_39 Hydraulic limesPrimary
CAWS

M20/310 Lime:sand

M20/320 Lime:sand roughcast (harling)

Specification data - Hydraulic limes
Product Reference

SMET NHL 5

Standard product features

Technical characteristics:

  • Mechanical strength, 28 days: Approx. 5.34 MPa.
  • Whiteness: 5.3 Y.
  • Fineness at 90 μ: 4%.
  • Fineness at 200 μ: 1.3%.
  • Expansion: 0.772 mm.
  • Bulk density: 2.75 g/cm³.
  • Real density: 8856 g/cm³.
  • Blaine value: 0.91 cm²/g.
  • Free lime content: Approx. 18.5%.
  • SO3: Approx. 1.23%.

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