Kemira’s Paper segment increases prices for polymers, dispersants as well as wet & dry strength products in all regions by five to 15 percent.The increase will be effective immediately or as specific contract terms allow, Kemira writes in a press release. While Kemira continues to take actions to minimize the impact of escalating raw material costs, it is, according to a company spokesperson, necessary to adjust pricing in order to compensate for the increased costs of raw materials, energy costs as well as freight costs.