ERJ staff report (DS)
Nokia, Finland -- Nokian Tyres has published its environmental report for 2009 as a PDF file. The report describes Nokian Tyres' activities related to environmental protection, occupational well-being and social responsibility. The environmental report provides a comprehensive outlook on the entire Group's activities, whereas the EMAS reporting only covers the Nokia plant.
The report claims that total environmental impact of a car tyre is distributed beween fuel consumption (75.2 percent), Raw materials and tyre production (11.7 percent), transportation (0.3 percent) and disposal (2.0 percent)
The report says, "Nokian Tyres was the first tyre manufacturer in the world to introduce a manufacturing method using only purified, low aromatic oils. In addition to low-aromatic mineral oils, Nokian Tyres uses only vegetable-based oils in its products. Canola oil is a renewable raw material used in the rubber compounds to improve the tyre's winter and wet grip.
The company says the composition of a tyre is rubber (45 percent); fillers (30 percent); plasticisers (12 percent); curing agents (6 percent); chemical additives (7 percent)
Nokian referred to the natural-rubber-silica tread in its most recent tyre, saying, "The tread compound combines natural rubber, silica and canola oil. The Cryo silane used as a coupling agent in the compound improves its functionality in varying winter conditions. The compound enables excellent winter and wet grip and wear resistance. Canola oil provides higher resistance to tear and improves ice and snow grip. Thanks to the high silica content in the tread compound, the tyre features extremely low rolling resistance which translates into lower fuel consumption and fewer harmful emissions."
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Download environmental report from Nokian Tyres