Materials

Denka Sees Operating Profit Decline in First Quarter: Financial Results

Denka announced its financial results for the first quarter of the fiscal year ending March 31, 2026 (April–June 2025). Consolidated net sales came in at 94.07 billion yen ($640.58 million), down 1.2% year-on-year. Operating profit declined 51.2% to 2.30 billion yen, and ordinary profit fell 53.7% to 1.67 billion yen. Net profit, however, surged 122.2% to 5.00 billion yen, largely...

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Tosoh to Raise Chloroprene Rubber Prices from September

Tosoh announced that it will raise the price of its chloroprene rubber product Skyprene (sulfur-modified grade) effective with shipments on or after September 19. The increase will be at least 120 yen ($0.81) per kilogram for domestic customers and at least $800 per metric ton for exports. Tosoh said that while it has implemented cost-reduction measures, labor savings, and logistics...

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Bridgestone to Transfer Mexican Carbon Black Business to Cabot

Bridgestone has signed an agreement to transfer its group company, Mexico Carbon Manufacturing (MXCB) — a manufacturer and seller of carbon black — to Cabot Corporation. The move is part of Bridgestone’s ongoing initiatives to accelerate the establishment of a foundation for “growth with quality.” In its premium tire business, the company is pursuing enhanced productivity and creativity across the...

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Zeon Reports Higher Profit in Elastomer Materials Business: First Quarter Results

Zeon announced its financial results for the first quarter (April–June 2025) of the fiscal year ending March 31, 2026. The company recorded sales of 103.08 billion yen ($701.14 million), a 2.8% decrease compared to the same period last year. Despite the decline in revenue, operating profit rose significantly by 34.2% to 12.13 billion yen. Ordinary profit stood at 11.97 billion...

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Operating Profit Up on Lower Revenue in First Quarter: Sumitomo Riko

Sumitomo Riko released its financial results for the first quarter (April–June 2025) of the fiscal year ending March 31, 2026. The company recorded sales of 154.78 billion yen ($1.05 billion), a 1.8% decline compared to the same period last year. However, operating profit rose by 14.5% to 9.71 billion yen, while net profit declined slightly by 2.7% to 5.76 billion...

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Sumitomo Rubber Introduces Circular Carbon Black in Racing Tires

Sumitomo Rubber has announced the adoption of circular carbon black in some of its racing tires, marking a significant step in the company’s circular economy initiative known as Towanowa. This marks the company’s first application of resource-circulated carbon black in tire production. The new racing tires were used in the GT300 class of the 2025 Autobacs Super GT Round 4...

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