Japan's top government spokesman denied on Monday an online claim that Japan would be unable to secure naphtha, a raw material derived from crude oil that is used to produce plastics, in June as Middle East tensions raise supply concerns.Chief Cabinet Secretary Minoru Kihara told a regular press conference that the claim was "incorrect" and urged the public to check the government's official views when they see dubious or worrying information.He said Japan has about four months of supply, including a total of two months of procured imported naphtha and domestically refined naphtha, plus two…READ FULL ARTICLE