Polyester staple fiber
![Product details](https://www.toyobo-mc.jp/wordpress/wp-content/themes/toyobo_mc/assets/images/main.webp)
Functional fiber
HARDMARBLE®
YQ cross section Hollow polyester staple fiber
HARDMARBLE® is Toyobo's proprietary YQ cross-section polyester staple fiber. By using this fiber, it is possible to make light weight, high resilience and solid cotton.
Applications
![](https://www.toyobo-mc.jp/wordpress/wp-content/uploads/2023/07/ess_AdobeStock_319377538-scaled.jpeg)
Solid cotton for mattresses, etc.
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