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About shaped
filament technology

By precisely controlling their cross-sectional form, we can create filament structures that deliver distinct advantages over conventional round filaments.

Yarn structure

Pertex Y Fuse filaments have a uniquely engineered Y form, tightly interlocking to create highly stable yarn structures.

Regular yarn
size

Warp BR 20D/20F
Weft BR 20D/20F

density

Warp 178
Weft 164

Y Fuse Yarn
size

Warp BR 20D/20F

Weft BR 20D/20F

density

Warp 196

Weft 163

S4800
5.0KV
8.2MM
X700
SE(M)
2011/10/27
50.0UM
Y Fuse Benefits

Whereas conventional, circular sectioned filaments lie loosely side by side, Y Fuse filaments interlock tightly in layers to create a unified yarn structure. Fabrics created using Y Fuse yarns have greatly enhanced downproof and water beading properties.

Y Fuse summary of benefits

EXCELLENT
DOWNPROOF PROPERTIES

STABLE LOW AIR PERMEABILITY

SUPERIOR
WATER SHEDDING

INCREASED STABILITY

UNIQUE ‘TECHNICAL’ SHEEN

Y FUSE BENEFITS STABILITY

Fabrics with Y Fuse technology remain stable, with low air permeability, even over extended wash and wear cycles. Providing a significant performance advantage against fabrics woven from yarns with conventionally shaped filaments.

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AIR PERMEABILITY
(CC/CM²/S)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
10
20
50
100
washing frequency (times)
Y Fuse Yarn
Conventional yarn

Conventional yarn filament

Y Fuse yarn filament

Conventional yarn filament

Yarn size

WARP BR 20D/20F
WEFT BR 20D/20F

Density

Warp 198
Weft 175

Y Fuse yarn filament

Yarn size

Warp BR 20D/20F
Weft BR 20D/20F

Density

Warp 196
weft 163