It is a calcined kaolin specifically designed for filling uncoated groundwood papers. The pore structure has been optimized to yield maximum light scatter and to control ink vehicle penetration.
Key Benefits:The result is improved opacity and sheet gloss, as well as reduced ink strike through and print show through in lightweight groundwood grades. It also has higher light absorption for higher opacity and slightly larger particle size which contributes to its enhanced retention compared to conventional calcined kaolin.
Key Applications: Groundwood grades such as newsprint, lightweight directory and groundwood specialties, can be improved

“SWAN OPCT” (Calcined Kaolin) for PAPER
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