Portugal, the world’s main cork producer, is discovering new makes use of for the fabric, from footwear to furnishings, as demand for wine bottle stoppers wanes.
Producers spotlight the environmentally pleasant properties of cork, which is light-weight, recyclable, waterproof and fire-resistant, to encourage its use in various settings.
Cork is obtained by stripping the bark of cork oak timber each 9 years in a cautious course of that permits the tree to regenerate and develop, making the trade naturally sustainable.
The fabric has “a unfavourable carbon footprint as a result of it comes from a tree that captures CO2 day and night time”, Antonio Rios de Amorim, the CEO of the world’s largest cork producer Corticeira Amorim, advised AFP.
The push to diversify comes as international gross sales of wine decline, lowering demand for cork wine stoppers which have lengthy confronted competitors from cheaper plastic stoppers and screw tops.
“Durations of slowdown have to be used to query what we do,” mentioned Amorim, whose ancestors based Corticeira Amorim 154 years in the past within the northern village of Mozelos, about 30 kilometres (18 miles) south of second metropolis Porto.
Booster rockets, metro seats
Due to cork’s cell-like construction, the fabric is elastic and extremely impermeable, making it appropriate to make footwear in addition to ties, pants and different garments.
Furnishings designers are additionally more and more drawn to the fabric.
British designer Tom Dixon has referred to as it a “dream materials” and put out a variety of darkish cork furnishings that features tables, stools and cabinets utilizing cork from Portugal.
The Lisbon metro in 2020 changed the material lining on all seats of its practice fleet with cork, a better to keep up materials.
Builders have been drawn to the fabric due to its distinctive thermal insulation and sound absorption properties.
Cork can be discovering its means into area. It’s utilized in thermal safety coating on booster rockets due to its resistance “to robust variations in temperature”, mentioned Amorim.
Making wine bottle stoppers, nevertheless, stays the principle exercise for Portugal’s cork trade, which employs round 8,000 individuals.
Corticeira Amorim makes some six billion cork wine bottle stoppers per 12 months, virtually all of them for export primarily to Chile, France and the USA.
It accounts for 70 % of the worldwide market share for cork stoppers and posted gross sales of 985 million euros (one billion {dollars}) in 2023, barely decrease than within the earlier 12 months.
Conventional strategies
Cork is made out of the bark of the cork oak (Quercus suber) present in international locations of the Mediterranean basin.
Portugal is dwelling to a couple of third of the world’s complete space devoted to this tree — greater than some other nation — and accounts for practically half the world’s provide of cork.
There are additionally plantations in France, Spain, Italy. Algeria, Morocco and Tunisia.
Within the province of Ribatejo round 80 kilometres east of Lisbon, cork oaks stretch so far as the attention can see.
The bark is faraway from the tree in summer season utilizing conventional strategies handed down from technology to technology.
It’s a extremely exact approach “that takes a number of years to be taught”, mentioned Nelson Ferreira, a 43-year-old cork bark harvester, including he takes nice care to not injury the tree.
The bark is then taken to Corticeira Amorim’s factories within the north of Portugal the place it’s steam-treated, lower into smaller items after which fed into machines that punch out stoppers.
The preservation of cork oaks is essential for Portugal, which has made them a protected species because it takes a median of 40 years for a tree to begin producing cork that can be utilized by cork makers.