Why Stora Enso’s NaturaFluff pulp is getting a quiet power boost

Reviewed: ad hoc news Accessory & Components desk. Edited and checked on 2026-06-18, 01:13. Details in the imprint.

NaturaFluff, Stora Enso’s softwood-based fluff pulp for diapers and hygiene products, is getting a quiet but meaningful upgrade at the Skutskär mill in Sweden. On the surface nothing changes for consumers. In the background, the fibers are about to run more reliably and in larger volumes.

What NaturaFluff is used for

NaturaFluff sits deep inside everyday products that rarely get a second look: baby diapers, adult incontinence pads, feminine care and other absorbent hygiene items. The material is a highly absorbent, soft fluff pulp made from northern softwood.

In a diaper, NaturaFluff forms the white, fibrous layer that breaks up liquid and channels it toward the superabsorbent polymers. Brands choose it for consistent bulk, fast liquid intake and reliable strength in high-speed converting lines, rather than for any visible design statement.

Capacity boost at Skutskär

To keep NaturaFluff flowing, Stora Enso is investing about EUR 19 million in its Skutskär fluff pulp line in Sweden, aiming to increase fluff output by roughly 10 percent while improving stability and efficiency. The company frames the move as a clear push into specialised pulp grades.

After the upgrade, Skutskär’s annual fluff pulp capacity is expected to reach around 440,000 tonnes, up from today’s level. For hygiene manufacturers, this promises more available volume from a familiar supplier, a comforting signal in a market where logistics and energy prices still feel volatile.

How the upgrade changes the product

From a technical standpoint, the investment is less about reinventing NaturaFluff and more about tightening the process window. Stora Enso highlights improved production stability, efficiency and quality, plus the ability to run broader fiber blends in the future. For customers this translates into fewer surprises on the line.

More stable pulp quality means fewer sheet breaks, more predictable absorbency and less fine-tuning on fast diaper machines. The possibility of alternative fiber blends is also a quiet hedge against raw material swings, which could help maintain performance even as wood baskets evolve.

Strengths, and where it can annoy

NaturaFluff’s strength lies in its combination of softness, absorption and runnability in demanding hygiene processes. Large-volume buyers value how the pulp defibrates, how it builds bulk in the core and how little dust it generates in converting halls.

What can still annoy converters are the same pain points as with any fluff pulp: sensitivity to moisture during storage, bale handling complexity, and the constant need to keep sheet properties tightly specified to avoid machine-speed losses. Even with the Skutskär upgrade, those operational basics do not simply disappear.

Sustainability angle matters

Stora Enso positions NaturaFluff within its broader bio-based materials strategy, with certified wood sourcing and a focus on replacing fossil-based materials where possible. The Skutskär investment is presented as part of this long-term pivot toward renewable, specialised grades rather than commodity volumes.

For brand owners under pressure to report on Scope 3 emissions and material footprints, such positioning is not just marketing. Being able to specify traceable Nordic fiber and a major mill that is being modernised for efficiency makes sustainability reporting a little less painful.

What happens to other pulp at Skutskär

The capacity boost for NaturaFluff is accompanied by a tougher decision elsewhere in the mill. Stora Enso plans to permanently close the softwood pulp production on fiberline 3, known as L3, at Skutskär. That closure is scheduled for the third quarter of 2026, subject to existing customer deliveries.

By shutting L3, the company frees up resources to concentrate on fluff and other specialised grades rather than running a broader, more commodity-heavy portfolio. The trade-off is fewer jobs on that line and less generic softwood output, but a stronger focus where demand growth is more resilient.

Pricing, availability and target customers

NaturaFluff is not a consumer-shelf product with an RRP; pricing is agreed directly with OEMs and hygiene brands, often under long-term supply contracts. Volumes are shipped in large bales, with a strong focus on European and global hygiene producers operating large converting plants.

The typical customer is a diaper or hygiene specialist looking to balance cost, performance and sustainability credentials. For them, the Skutskär upgrade is less a headline event and more a comforting sign that capacity and quality in a key input are being actively managed instead of left to age.

Company context and stock reference

For Stora Enso, NaturaFluff is one of several specialised pulp products that complement its packaging materials, wood products and biomaterials portfolio. The Skutskär investment fits a broader pattern of reallocating capital from traditional paper and commodity pulp toward higher-margin, renewable solutions.

Shares of Stora Enso Oyj (FI0009005961) trade on the Helsinki Stock Exchange, giving investors direct exposure to this ongoing shift toward specialised pulp and bio-based materials.

This article was AI-assisted and editorially reviewed. Product information without guarantee; prices and availability may change at short notice. No investment advice, no buy or sell recommendation. Stock-market transactions involve risks up to total loss.