Runa Nero

Product overview

Strong at sight,
gentle at touch

Runa collection brings the essence of the noble and sophisticated character of the slates found in the countryside, villages and historical cities of Northern Europe. Stones that blend harmoniously with the elements of nature in a very contemporary style.

Nexion worked to recreate the taste of those suggestive slates that blend naturally in the architectural works of contemporary urban contexts. By the perfection of design and the hands of skilled craftsmen, Nexion has given to the surface of Runa the character of the best natural stones, strong at sight and gentle at touch.

Runa is a ceramic collection that returns the sober and harmonious elegance of slates with a modern and dynamic mood.

Color


Surfaces


We offer the broadest range of surfaces.
Naturale
Lappato
in cresta
Bocciardato
Matte Silk
  • Lappato
    in cresta
  • Bocciardato

Sizes


120x240cm
30x60cm
60x120cm
60x60cm
80x160cm

Thickness


9 mm

Specifications


DIMENSIONS AND SURFACE QUALITY
Technical feature Standard method ISO Nexion values Requirements
SIZE < 1200 mm SIZE ≥ 1200 mm
% mm % mm
Width ISO 10545 - 2 ± 0,1 ± 0,8 ± 0,1 ± 1 ± 0,3%
Length ± 0,1 ± 0,8 ± 0,1 ± 1,2 ± 0,3%
Thickness ± 4 ± 0,5 ± 4 ± 0,5 ± 5,0%
Straightness of Side ± 0,1 ± 0,8 ± 0,1 ± 1 ± 0,3%
Rectangularity ± 0,1 ± 1,3 ± 0,1 ± 1,5 ± 0,3%
Surface Flatness ± 0,1 ± 1,8 ± 0,2 ± 3 ± 0,4%
Surface Quality 95% A minimum of 95% of the tiles are to
be free from visible defects which can
impair the appearance of a major area
of tiles
PHYSICAL PROPERTIES
Technical feature Standard method ISO Nexion values Requirements
Water Absorption ISO 10545 - 3 Avg. ≤ 0,08%,
Individual 0,2%
≤ 0,5%,
Individual 0,6%
Modulus of Rupture ISO 10545 - 4 Min. 42 N/mm² Min. 35 N/mm²,
Individual Min. 32 N/mm²
Breaking Strength ISO 10545 - 4 Min. 1800 N Not less than 1300 N
Moisture Expansion ISO 10545 - 10 0,02 mm/m -
Surface abrasion ISO 10545-7 CLASS III Minimum Class - II Report abrasion class and cycles passed
Mohs Hardness of surface NA 4
Coefficient of linear thermal
expansion from ambient
temperature to 100 °C
ISO 10545 - 8 6x10⁻ ⁶ K⁻¹ max As declared by the Manufacturer
Thermal Shock Resistance ISO 10545 - 9 No damage
Crazing Resistance:
glazed tiles
ISO 10545 - 11 No damage for
Min. 10 Cycles
Required
Bulk Density ISO 10545 - 3 2,2 g/cc 2,2 g/cc
Impact Resistance ISO 10545 - 5 0,55 As declared by the Manufacturer
Frost Resistance ISO 10545 - 12 No change
Small colour differences ISO 10545 - 16 No change Plain coloured tiles only where required
GL: ∆E < 0,75
UGL: ∆E < 1,0
CHEMICAL PROPERTIES
Technical feature Standard method ISO Nexion values Requirements
Resistance to staining ISO 10545 - 14 Class 4 Minimum Class 3
Resistance to household
chemicals and swimming pool
salts
ISO 10545 - 13 Minimum A Minimum B
Resistance to acids & alkalis Minimum B As declared by the Manufacturer

Contact us for
more informations