Prices: Denka raising silica filler prices 10%

Tokyo – Denka Co. Ltd is increasing global sales prices of its fused silica filler by 10%, with effect from 1 Sept.

The increase is due to higher production costs linked to the rising price of silica quartz – raw material of fused silica, said a 7 Aug note from

“While we have been making the utmost efforts to cut production costs and other expenses, our effort alone cannot absorb all the increasing costs,” it stated.

“Hence, we have decided to raise our price in order to maintain our supply and business continuity,” added the note issued by Denka's advanced specialty materials department.

The Japanese company lists a range of polymer and sealant applications for its fused silica products, including silicone rubber ‘filling’.