society > occupation and work > materials > derived or manufactured material > material for making paper > paper > [noun] > paper for making sacks or bags
blue paper1594
sugar-paper1926
sack paper1957
sack kraft1963
1957 V. S. SmithIntrod. Paper & Papermaking Index 125/1Sack paper.
1968 Economist 3 Feb. 63/2 Swedish pulps are mainly for kraft, including sack paper, and newsprint.