SIENNA is a classic upholstery leather that offers excellent durability without compromising its natural beauty.
As a Semi-Aniline, this product from Germany has a very fine pigment applied to its surface that increases the leather’s resistance to colour change that is caused by exposure to sunlight. This protection also enhances the leather’s wearing qualities, without losing its soft handle.
SIENNA is now available in a wide range of traditional and contemporary colours. It has a good sitting comfort and all the natural hallmarks of quality that distinguish it from corrected-grain leather.
Characteristic
Test Method
Test Results
Colourfastness to
to-and-fro rubbing
EN ISO 11640
EN ISO 11641
Dry
Wet
Perspiration
5
5
5
Colourfastness to Light
EN ISO 105-B02
5
Finish Adhesion
EN ISO 11644
4.1N
pH and < pH
EN ISO 4045
pH 3.60 ⊿ pH 0.39
Tear Strength
EN ISO 3377-1
47N
Fire Rating
AS1530.3
Report No. 7-490127-CN
Ignitability
Spread of Flame
Heat Evolved
Smoke Developed
14
0
4
5
AS3837 Cone Calorimeter
Report# 07110004
BCA Group 2
Av. Specific Extinction Area 185.9m2/kg
Environmentally Improved Production Process : No harmful substances such as azo dyes, organochlorine compounds, pentachlorophenol (PCP), polychlorinated biphenyls (PCBs), formaldehyde, benzidine, hexavalent chromium, cadmium and chlorofluorocarbons (CFCs). SIENNA is finished using exclusively water-based conditioning systems.
Clean with proprietary leather cleaners and conditioners in strict accordance with manufacturers instructions
The use of this symbol indicates that SIENNA has been tested by accredited, independent laboratories and met or exceeded the performance guidelines for SEMIANILINE as determined by the CLA.
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