The firm said it is set to begin trial runs on the 2.54-m wide unit at the end of October. Mayak declined to confirm when the machine will start commercial production, saying that it will depend on how soon the unit will be able to produce the desired paper quality.
In the beginning, the 70,000 tonne/yr paper machine will be making only brown grades of testliner and recycled fluting. But later on, it will also produce uncoated and coated grades of white-top testliner, the firm said. According to Mayak, the white layer will be made either from recovered paper or from pulp. The weight range of testliner will be between 80-200 g/m2.
The upgrade of the paper machine, performed by Papcel, includes a new top wire with a head box, a vacuum system, a recuperation system, new cylinders and a rewinder. The unit also features a film press.
Papcel also installed a new stock preparation line at Mayak. The total cost of the investment is Euro 22 million ($29 million).
The paper machine was initially scheduled to come online in mid-2013.
The Penza mill houses four PMs which churn out 64,000 tonnes/yr of specialty and printing and writing paper.
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