According to many researchers' research on larvae CMP process, CMP can be taken out with a yield of 85%-90%, and the physical strength of the slurry is better. Its main index (breaking length 5.83km, breaking index 3.4kPa ·m2/g, tearing index 11.9mN·m2/g, yield 91.5%) equivalent to spruce SCMP (breakage length 6.3km, burst index 3.4kPa·m2/g, tear index 9.2mN·m2 /g, 89% yield - Canadian CIP's industrial production data).
This achievement is of great practical significance to China, which has fewer timber resources. If this kind of pulp is used as the middle layer of high-strength kraft linerboard, the stiffness, compressive strength and bonding strength between the layers of the board will be significantly improved. The suitable blending ratio is suggested to be 55%-60%. Salt unbleached pulp, about 10%-15%, with larch sulphate pulp for the bottom layer. If domestic enterprises can develop larch CMP pulping process as soon as possible, they may achieve rapid development in the early 21st century.
This achievement is of great practical significance to China, which has fewer timber resources. If this kind of pulp is used as the middle layer of high-strength kraft linerboard, the stiffness, compressive strength and bonding strength between the layers of the board will be significantly improved. The suitable blending ratio is suggested to be 55%-60%. Salt unbleached pulp, about 10%-15%, with larch sulphate pulp for the bottom layer. If domestic enterprises can develop larch CMP pulping process as soon as possible, they may achieve rapid development in the early 21st century.
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