Effective on shipments as of May 1, or as contract allows, Kuraray has issued a global price increase of its Trosifol PVB interlayer and SentryGlas ionoplast interlayer. According to the announcement, the price increase, which will be $0.30/sqm (0.76mm / 30mil equivalent) or more, is due to the cost increases in raw materials, packaging materials, transportation and logistics.