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Shikoku Chemical Machinery

Broader sector Private
Headquarters
Kitajima, Tokushima, JP
Segment
Machinery
Stories held
2
Last story
6 Oct 2026

Shikoku Chemical Machinery, founded in 1961 and based in Kitajima, Tokushima Prefecture, Japan, makes liquid filling machinery for gable-top cartons used with milk, juice and other beverages, and holds roughly 70% of the Japanese market for such equipment. It also plans and sells packaging materials and produces tofu and other soy-based foods under its own brand.

2 stories · 2026

Nippon Paper builds Japan's first prototype for carton-to-carton recycling

Nippon Paper has developed a prototype process to recycle used beverage paper cartons back into base paper for new cartons, which it describes as Japan's first horizontal recycling loop of this kind. The system pulps collected cartons at its Fuji plant, turns the pulp into carton board, and feeds it through subsidiary Nippon Paper Liquid Package Product for conversion and filling on an NS-FUJI aseptic line. The prototype will be shown at TOKYO PACK2026 in Tokyo on 14-16 October 2026.

Why this mattersA working carton-to-carton loop could lift recovery of used beverage cartons beyond the current 38.9% rate and cut reliance on virgin pulp for carton board.

  • Nippon Paper has created Japan's first prototype for 'Pack to Pack' horizontal recycling of beverage cartons into carton raw material
  • Japan's beverage carton collection rate was 38.9% in fiscal 2024 against an industry target of 50%, per the 2026 carton recycling annual report
  • Used cartons are pulped at Nippon Paper's Fuji plant recycling facility dedicated to food and beverage paper containers
  • Pulp is made into carton base paper at a Nippon Paper mill, converted into cartons by subsidiary Nippon Paper Liquid Package Product, and filled on the NS-FUJI aseptic filling machine
  • Nippon Paper previously recycled most collected carton waste paper into tissue and toilet paper rather than back into cartons
  • The prototype will be exhibited at TOKYO PACK2026 at Tokyo Big Sight from 14 to 16 October 2026 as part of the company's PakUpcycle project
Nippon Paper Industries Shikoku Chemical Machinery mentioned
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Shikoku Chemical Machinery develops 15% okara-loaded polyethylene resin

Shikoku Chemical Machinery, a Japanese food filling equipment maker, has developed a bio-based resin blending dried soybean okara with polyethylene at a 15% ratio. The material has been launched commercially as an uchiwa fan made with Kagawa fan manufacturer YAMADA, and the company plans to extend its use to food containers.

Why this mattersA 15% food by-product loading in polyethylene points to a route for diverting processing waste into packaging resin, if it scales beyond promotional items.

  • Shikoku Chemical Machinery mixed dried soybean okara into petroleum-derived polyethylene at a 15% ratio to create okara resin
  • The company produces about 15,000 tonnes of okara by-product a year from its soy food business, similar in volume to its tofu output
  • About 3,000 tonnes of that okara is currently used for powder, food and other processing; the rest is recycled as fertiliser, feed or incinerated
  • First commercial application is an okara uchiwa fan made with fan manufacturer YAMADA of Kagawa Prefecture, each using 3.4 grams of okara resin
  • The company intends to expand okara resin use as a raw material for food containers
  • The okara-based resin blend is also referred to as kale resin
  • Kale resin has been used commercially in a noodle product at 3.4 grams of resin per strand
Shikoku Chemical Machinery
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