PrototypeMusa textilis

Abaca

The strongest natural fiber the Philippines grows.

Abaca is not a decorative fiber. It was specified for marine cordage long before it was specified for bags, because its long bast strands hold tension without stretching.

TIBAG is developing an abaca panel that behaves like a technical textile: stable under load, resistant to abrasion at the corners, and predictable when it gets wet. That last part is the hard part, and it is why this material sits at prototype rather than production.

Origin

Where it comes from.

Origin

Bicol, Eastern Visayas and Davao

Abaca is grown in smallholder plots across these regions, usually intercropped with coconut. Fiber is stripped by hand or by spindle machine and graded before it ever reaches a mill.

Smallholder farm
Hand or spindle stripping
Grading and baling
Spinning mill
Weaving
TIBAG workshop

01
Harvest
Mature abaca stalks are cut by hand. The plant regenerates from the same root system, so the plot is not replanted each cycle.
Bicol and Eastern Visayas
02
Stripping
Leaf sheaths are stripped to expose the bast fiber. Grade is decided here, by the person holding the knife.
03
Spinning
Graded fiber is spun into a yarn consistent enough to weave at a technical density rather than a craft density.
04
Weaving
The yarn is woven into a tight plain-weave panel. Density, not decoration, is the target.
05
Finishing
Panels are degummed, then coated with the natural latex compound and cured flat.
06
Cut and sew
Finished panels are cut, bar-tacked and paired with reinforced synthetic bases in the TIBAG workshop.

Properties

What it actually does.

Tensile strength
5 / 5
Long bast strands resist pulling. This is the property abaca has been specified for historically.
Abrasion resistance
3 / 5
Good across flat panels. Corners and base edges need reinforcement, which is why our prototypes pair it with a synthetic base.
Structure and body
5 / 5
Holds shape without a frame sheet. A pack cut in abaca stands up on its own.
Lightness
3 / 5
Heavier than a comparable ripstop nylon panel at equal strength.
Water behaviour (untreated)
2 / 5
Untreated abaca absorbs water and takes time to dry. Treatment is not optional in a Philippine climate.

Ratings are TIBAG's own workshop assessment on a comparative 1–5 scale. They are not laboratory measurements and are not certified.

Weather behaviour

Tropical sun
Good
Colour shifts slowly toward a warmer tone with long exposure. We consider this patina, not failure.
Heavy rain
Conditional
Only with the latex-based coating applied. Untreated panels wet through.
Sustained humidity
Under assessment
Mould resistance in unventilated storage is one of the open questions our current samples are answering.
Salt air
Strong
The fiber's marine-rope history is the whole reason we started here.

Treatments applied

Controlled degumming
Removes residual plant gums so the yarn accepts coating evenly.
High-density weave
Closes the panel so water has fewer paths through the structure.
Natural latex coating
Adds a flexible water-shedding face without laminating on a plastic film.

Construction

How the panel is built.

Panel construction

01
Natural latex face
Water shedding
A thin, flexible coating applied to the outer face. Sheds rain without sealing the panel into a plastic bag.
02
Abaca plain weave
Structure
The load-bearing layer. Provides tensile strength and the panel's standing body.
03
Recycled backing scrim
Dimensional stability
A light backing that stops the weave from racking out of square under an uneven load.

Layers are listed outer face first. Bar heights are indicative of relative build-up only — they are not to scale.

Against the alternative

Abaca vs conventional synthetics.

Qualitative comparison between Abaca and conventional synthetic technical fabric
Attribute	Abaca	Conventional synthetic
Origin	Grown and processed in the Philippines	Petroleum-derived, typically imported
Structure	Holds shape unsupported	Usually needs a frame sheet or foam
Abrasion at corners	Needs reinforcement	Strong as-is in high-denier weaves
Water behaviour	Depends entirely on the coating	Reliably water-shedding when coated
Repairability	Panels can be patched and re-coated	Patchable, coating rarely renewable

Comparative statements are qualitative and reflect our own build experience. They are not benchmark test results.

Development

Where this material stands.

01Research
02Concept
03PrototypePhysical samples exist and are being assessed in the workshop.
04Field testing
05Production ready

Static load hold
12 kg suspended from the shoulder yoke for 72 hours, checked for seam creep.
Workshop observation only: no visible seam creep on the second-round prototypes. This is an internal check, not a certified result.
Complete
Simulated downpour
Sustained overhead spray on coated and uncoated panels.
No result published — this test has not finished.
In progress
Base panel abrasion
Repeated dragging of a loaded pack across concrete.
No result published — this test has not finished.
In progress
Long-term humidity storage
Coated panels stored closed in unventilated conditions for 90 days.
No result published — this test has not finished.
Planned
Field testing programme
Samples carried daily by testers across Luzon, Visayas and Mindanao.
No result published — this test has not finished.
Planned

Transparency

What we can and can't say.

What we know

Verified by us, first-hand.

Abaca is grown, stripped and graded in the Philippines by smallholder farmers.
The fiber has a long documented history in marine cordage because of its tensile strength.
Our current prototypes pair abaca panels with a reinforced synthetic base. They are not a single-material bag.

What we don't know yet

Open questions, stated plainly.

How the coated panel behaves after several years of daily Philippine use.
Long-term mould resistance in closed, humid storage.
Whether we can hold a consistent fiber grade at production volume.

What we commit to

How we will report on this.

We will not publish a lab figure we have not had independently measured.
We will name the region a panel's fiber came from once a supply route is locked.
If a test result is bad, it goes on this page the same as a good one.

Care

Brush off dry dirt before it works into the weave.
Spot clean with cool water and a soft cloth. No detergent, no machine wash.
Air dry in shade. Direct sun drying accelerates colour shift.
Store loosely and dry. A closed, damp cabinet is the worst place for a natural fiber panel.

End of life

Uncoated abaca panels are plant fiber and break down.
Coated panels currently include a synthetic base and backing scrim, so they are not compostable as a whole bag.
Reducing the synthetic content of the base is the next problem on the list.

Built with it