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A Proudly Canadian Corporation  Serving the pulp, paper, and board industry for three generations     

A Brief History

Pulmac Inc was incorporated in 2003 and, in 2012, became a founding shareholder in Pulmac Systems International Inc of Williston, Vermont. Pulmac Inc was responsible for all manufacturing and service until it formally broke with Pulmac Systems in May, 2015. Changing its name to QS Fibre Inc in 2016, the Montreal-based company  offers the  AutoScan for on or off-line determination of fibre, shive, and fines size distributions as well as competitive products and services for :

  • Pulmac MasterScreen, Z-Span Tester, Automated Sheet Former, Beater, and Dewatering Device.
  • Provisioning of testing services, in-mill service support, and mill studies

QS Fibre is owned and  operated by Brent Cowan, son of Wavell Cowan and grandson of inventor, industrialist and Pulmac patriarch, Eli Cowan.

W. Brent Cowan, CD MSc


QS Fibre : Committed to integrity

Atholville NB Pulp MillAtholville NB Pulp Mill

QS Fibre Keeps Busy

Posted 21/4/2017


Over the past two years since we parted ways with Pulmac Systems we have not been inactive. In addition to maintaining our market presence with the QS Fibre AutoImager, we have focussed R & D efforts on the improvement of our  image capturing system and our fine slot cutting capability. 

Brent Cowan, principal, has been able to dedicate additional time in management consulting in support of the Black Watch Military Tattoo,  recently held in Montreal's Bell Centre to mark the 100th anniversary of the Battle of Vimy Ridge. He has also been active further developing the aerial advertising business of friend and business associate, Montreal aviator par excellence, G.P Ciambella.

Brent Cowan Earns Division Commander's Commendation :  Brigadier General Hercule Gosselin, Commander 2nd Canadian Division, has awarded Major (Retired) Brent Cowan the Division Commander's Commendation for his "Tireless efforts and devotion" in producing the Black Watch Military Tattoo that was held at the Bell Centre, home of the Montreal Canadiens, on 8 April 2017. With well over 500 performers, the tattoo "Achieved a positive strategic effect for the Canadian Armed Forces by celebrating military service and sacrifice... ...while also achieving a synergy of community groups and stakeholders."