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SMET NHL 2
Application

A feebly hydraulic lime binder for the production of mortars particularly suited for ecological new build, restoration and preservation works. 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 2 is a high quality, pure white, natural hydraulic lime binder, produced under an ISO 9001 and ISO 14001 quality system to BS EN 459-1. The feeble hydraulic strength development of SMET NHL 2 makes it suitable for producing lime mortars for masonry work, rendering, plastering base coats and finish coats. Ideally suited for interior and exterior use on weak structures.

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:

A feebly hydraulic lime binder for the production of mortars particularly suited for ecological new build, restoration and preservation works. 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 2

Standard product features

Technical characteristics:

  • Mechanical strength, 28 days: Approx. 4.99 MPa.
  • Whiteness: 70 Y.
  • Fineness at 90 μ: 2.3%.
  • Fineness at 200 μ: 0.4%.
  • Expansion: 0 mm.
  • Bulk density: 0.595 g/cm³.
  • Real density: 2.64 g/cm³.
  • Blaine value: 12 900 cm²/g.
  • Water content: 1.01%
  • Free water content: 1.01%.
  • Free lime content: Approx. 42.11%.
  • SO3: Approx. 1.38%.

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