Straw fiber is made from the stalks left after grain harvest, material that in many regions is still burned in the field because there is nothing else to do with it. Using it for packaging turns a disposal problem into an input. The fiber runs 1.0 to 1.5 mm, forms a pale gold part with a lightly textured surface, and renews annually rather than over the decades a tree needs.
The technical complication worth naming is silica. Rice straw in particular carries a high silica content, which is abrasive on processing equipment and interferes with fiber bonding if it is not managed. Straw pulping therefore needs process control that wood pulping does not, and suppliers who treat straw as a drop-in substitute for wood fiber tend to produce inconsistent parts.
Wheat straw carries less silica than rice straw, which is why wheat is the more common input where both are available. We select and blend on that basis rather than taking whatever residue is cheapest.
Volume parts with a sustainability requirement. This is the material’s natural home. It costs close to recycled fiber, looks considerably better, and carries a stronger environmental argument than either recycled or virgin wood.
Brands reporting on agricultural circularity. Field-burning diversion is a specific, defensible claim rather than a general eco statement, which is exactly what procurement teams need when they have to substantiate a packaging decision.
Food service and produce trays. The pale gold tone and the agricultural origin sit naturally alongside food, and the formability supports the shallow trays these applications use.
Replacing expanded polystyrene in retail-facing packaging. Where OCC-based pulp is too coarse to put in front of a customer, straw fiber does the same protective job and looks intentional.
Straw stops being the answer in two situations. Anything carrying serious compression needs the longer fibers in 堆肥化クラフト紙 または 竹繊維. Anything needing a true white finish or direct food contact clearance needs 晒しパルプ.
The closest material in the range is 天然植物繊維, which blends several agricultural sources rather than committing to straw specifically. Choose straw when you want a single declared origin for a sustainability claim; choose the blend when you want supply resilience.
プラスチックや発泡スチロールに代わる成型パルプ製品は、リサイクル可能で生分解性のオプションを提供します。特注の形状、色、環境に優しい表面加工も可能です。社内で試作と製造を行い、手頃な価格で持続可能なパッケージを提供します。
100%の再生材料から作られたドライプレス紙パルプトレーは、プラスチックに代わる環境にやさしく、費用対効果の高い製品です。クッション性、耐熱性、積み重ねが可能で、最大20%のスペースを節約できます。
ボニトパックは、95%の色精度で、ホワイト、ナチュラル、ブラックを含む6色の成形パルプを提供しています。環境にやさしい方法で、安全な漂白を実現しています。ナチュラルとホワイトは食品に最適で、その他はトレイ包装に適しています。
