C—3a.

Table 21.—Laboratory Newsprint Papers from New Zealand Woods: Papers from Tawa, Insignis Pine, Rimu, and European Larch.

44

I Furnish. Beating-conditions. Strength Data. Colour. Machine- I • . - __ run No. Tawa ™ Took Insignis- T - . T . j guipiute. No. g f'hV Cook No. Clay. Weight. J Weight. per^| am Thickness. Bursting. Tearing. Tensile, j Folding. Strength. Bed. ; Green. Blue. White. Per Cent. Per Cent. Per Cent. Cent th- Min. lb. lb. In. Metres. KuMs'' Per Cent. Per Cent. Per Cent.;Per Cent. Per Cent. 15 .. 30 70 3,271 .. .. 5 Not beaten 70-8 0-0084 0'21 0'48 2.523 2-3 1-36 16 .. 30 70 3,271 .. .. 5 10 10 .. .. 71-7 0-0073 0-35 0-75 3-0 2-17 67 63 59 59 17 .. 25 65 3,271 15 3,272-1 5 10 10 .. .. 50-0 0-0045 0-39 0-85 4.025 10-0 1-24 18 .. 40 30 3,270 30 3,272-1 5 6 8 .. .. 39-5 0-0036 0-21 0-65 2,044 5-0 1-10 70 67 62 62 19 .. 30 40 3,270 30 3,272-1 2 8 10 .. .. 34-0 0-0036 0-27 0-76 2,415 30 0-84 20 ... 40 40 3,270 20 3,269-1 .. 7 9 .. .. 30-0 0-0030 0-24 0-71 2,425 1-5 0-95 67 63 63 63 21 46 46 3,273 8 3,269-1 .. 15 15 .. .. 36-0 0-0035 0-23 0-55 2,355 1-5 Ml 59 59 59 59 22 .. 40 45 3,273 15 3,269-1 .. 13 11 .. .. 33-0 0-0033 0-28 0-65 2,790 3-0 1-19 57 59 59 57 23 .. 30 55 3,273 15 3,269-1 .. 8 8 .. .. 32-0 0-0030 0-26 0-66 2,630 2-5 1-12 | 24 .. 30 55 3,274 15 3,269-1 .. 17 14 .. .. 35-0 0-0033 0-28 0-60 2,750 3-0 1-53 25 .. 30 55 3,274 15 3,275-1 .. 13 20 15 .. 32-0 0-0032 0-31 0-77 2.850 4-0 2-30 26 .. 30 55 3,274 15 3,275-1 .. .. .. 30 10 36-0 0-0037 0-28 0-89 3,135 3-5 1-35 .. 27 .. 30 55 3,274 15 3,275-1 .. .. .. 40 15 31-0 0-0030 0-34 1-04 3.560 50 1-58 58 60 58 58 28 .. 35 50 3,276 15 3,275-1 .. 20 25 20 .. 36-0 0-0035 0-29 0-67 3,170 6-0 1-68 62 57 i 56 57 29 .4' 35 50-7 3,277 14-3 3,277-1 .. 20 20 20 .. 30-0 0-0030 0-23 0-63 2,473 2-4 1-39 30 ..- 50 23 3,277 27 3,277-75-1 .. .. .. 30 20 28-0 0-0029 0-13 0-78 2,270 1-5 1-17 Bleached larch sulphite 31 .. 30 55 3,279 15 3,278-1 I .. 5 10 20 .. 34-0 0-0031 0-20 0-92 2,308 1-6 1-31 72 67 61 61 32 .. 30 70 3,279 .. I .. 5 10 20 .. 40-0 0-0036 0-22 0-60 2,638 2-6 1-61 66 .62 62 62 Rimu i 33 .. 35 50 3,279 15 3,280-1 j .. 6 8 30 .. 36-0 0-0032 0-21 0-54 2,308 1-7 1-36 65 61 58 58 34 .. Wet broke from first press of commercial machine. Commercial paper from same machine.* 36-0 0-0034 0-32 0-72 3,471 6-5 1-32 68 60 59 59 33-0 0-0033 0-31 0-58 2,479 2-9 0-87 67 63 60 60 Tawa : semichemical 35 .. 20 80 2,247 .. .. .. 60 25 15 .. 64-0 0-0087 0-24 0-55 2.827 1-0 1-17 36 .J .. 100 2,247 .. .. .. 30 25 60 .. 55-0 0-0064 0-44 0-83 4,480 5-7 1-74 40 .. .. 100 2,248 .. .. .. 150 25 Bleached Larch 41 .. 30 55 2,247 15 3,278-1 5 60 25 60 .. 34-0 0-0034 0-28 0-59 3,040 2-5 1-68 64 58 55 55 42 .. 35 50 3,282 15 3,275-1 .. .. .. 80 30 41-0 0-0034 0-39 0-75 3,743 9-1 2-00 Bleached Rimu 43 .. 30 55 3,282 15 3,280-1 .. 5 8 20 15 41-0 0-0038 0-25 0-60 2,849 2-5 1-35 Insignis Pine 8 .. .. 90 3,268 10 3,265 .. .. .. .. .. 39-0 0-0033 0-32 0-85 .. 5-0 .. 64 60 55 55 9 .. .. 90 3,268 10 3,265 .. .. .. .. .. 36-0 0-0031 0-40 1-28 .. 15-0 .. 75 78 76 75 * This material supplied through courtesy of Consolidated Water-power and Paper Co., Wisconsin Bapids, Wisconsin, from their No. 1 machine.