TESTS OF WOOD PRESERVATIVES. 17 
TaBLE 2.—Penetrance of the preservatives and their effect on the strength of wood. 
Moisture at test. 
Penetration. 
Average eee 
Pre- | Preservative desig- | Radial and ‘vain ay 1} absorption|— Por cen | 
serva-| nated by coopera- | tangential, |Uo=situdinal.1| preserv- BOG SEe | 
tive No.| tor as— — ativ : ated.| Tre: 
are kere oe ee a ofuntreat-|Untreated.| Treated. 
=| SSS | eee ‘| ed wood. 
.| mum, | mum. | mum 
Inch. |Inches.|Inches.| Pounds. | Per cent. | Percent. | Per cent. 
ee tees Coal-tar creosote..... 0. 23 6.00 | 5.30 8. 76 93 G20nlceoehes 
ie sardine Coal-tar creosote, Al 6.00 |} 6.00 5. 28 101 0s BSilVeteemtoanters 
Fraction I. 
ee <2 Coal-tar creosote, walt 6.00 | 6.00 6. 86 92 Gi 22 slic eeet ee es 
Fraction II. 
Be os Coal-tar creosote, 21 6.00 | 6.00 1.55 92 G44 eee eee 
Fraction III. 
eee Coal-tar creosote, 18 6.00 | 5.50 Waoo 96 GAS ee ee 
Fraction IV. 
 eaepte Coal-tar creosote, 07 3.80 | 1.20 2.00 90 6320) ake nee cate 
Fraction V. 
; (eee Water-gas-tar creo- .33 6.00 |} 6.00 6. 45 92 Da DSH age aeaer anes 
sote, 1.051. 
Be ony Water-gas-tar creo- 42 6.00 | 5.30 7.18 90 618) So se eee 
sote, 1.012. 
: See Water-gas-tar creo- .10 6:00) |, 23.33 9.58 108 LUNG AA | irate Sena ae 
sote, 1.070. 
aie S. P. F. carbolineum. 23 | 6.00] 5.70 8.77 100 GiA0i le ee 
Ve Avenarius carbo- oy IP 6.00 | 5.30 8.08 109 OF 81 Ogee 
lineum. 
7 C,. A. wood preserver. . 20 6.00 | 4.70 8. 43 100 G5 9OH | Ns sade 
eee Hardwood tar......- . 08 -92 - 50 6. 50 98 Gyles ees 
7 2 Weyl Wood tar (Douglas - 08 3.58 | 2.33 2. 82 107 5s S04] el ate 
eh anrcth Beechwood creosote. 106 | 6.00] 3.16 12. 68 99 GRE eta as o 
ee SHeritiiOs cee asc 18 6.00 | 4.50 8. 09 96 6295015 sae ee 
ae *| Preservol......--. aie 05 3.750150 6. 27 107 6724 Ne eee 
seers fis W ood-creosote oil... . G15 6.06 | 4.30 12. 86 110 Gea eae 
ee ose Timberasphalt...... . 02 438) . 33 5. 68 106 Gr6Sil ie cae ee 
=) eee Copperized oil......- 22 6.00] 4.08 8.5 101 DEA eee ote ae 
ae WC MOU eek a as wer - 43 6.00 | 6.00 12.70 1 Efiad rsepteee f s e Se SA 
pe 2-2 IKGrOSeNO2saccecies =: - 30 6.00} 6.00 14.51 90 EFS ot [eel a 
23 ee Zinc chloride. ......- . 08 6.00 | 5.30 2.43 88 Tels} 9. 35 
ieee Zine sulphate........ . 08 6.00 | 4.66 3.96 89 5.14 9. 60 
eee Zine sulphate (by- palit 6.00 | 4.66 84.11 82 3. 88 BS Tit 
product). 
POE ok B. M. preservative. .. .10 6.00} 4.60 3.50 85 5.16 9. 48 
- ae PAE AES CIM Cet Bere ate ccias aeio seal ae aiesine | ates Se atmcial=t [wien sie ee cle nf nie c enc ie ice | em eooe ran 
oe ai 2 Sodium silicate...... - 03 - 46 - 30 -99 82 6. 42 7.38 
SS Sodium fluoride..... 10 6.00} 5.00 . 20 85 5. 82 8.70 
=) Seeepon Cresol calcium....... -10 6.00 | 3.30 - 46 103 Berii2 6. 58 
14 penetration of 6 inches was the maximum that could be secured longitudinally, 0.45 inch was the 
maximum radial and tangential. The absorptions here given have no reference to the data on penetrance. 
2 Dry salt. 3 For composition see Table 1. 
TABLE 3.—Permanence of the preservatives after injection into wood. 
Volatility. 
fone. a eee nates BY, Per cent volatilized after seasoning for— 
10 days. | 20 days. | 30 days. | 50 days. | 70 days. | 90 days, 
Coal-tar creosote............. 11 15 17 20 DP Re Mr he 
Coal-tar creosote, Fraction I. 38 48 53 57 Ii aoe eae 
Coal-tar creosote, Fraction II. 22 30 36 44 47 || ace eee 
Coal-tar creosote, Frac. IIT... 13 21 28 34 Bilal cte rere ete 
Coal-tar creosote, Fraction IV) 8 11 14 18 AD ersiervere eos 
Coal-tar creosote, Fraction V 6 6 5 6 ri eral 
ae Water-gas-tar creosote, 1.012. 16 26 32 41 rye es Ree 
>. Sees W ater-gas-tar creosote, 1.051. 18 21 25 30 QO eNsererets ae ole 
See Water-gas-tar creosote, 1.07.. 2 3 f 3 4 in| eee ae 
Le ae 8. P. F. carbolineum........ 3 4 5 8 Ls hee eee et 
Li eae PMOL ALI AC AT OLIN CUI Ms oo] Soe s os ates eee o(c lara tian soe cles 1 LE eae ee 
Lee C. A. wood preserver.......-. —2 me DA Ee aA ated Si! Ft el SB eeee 
2 eee ERAT OOGIUAI ore Leeds ieee netsh on a -|- acide eee 2 6 Gul See eee 
i i eee Wood tar (Douglas fir).....-. 12 14 15 15 LA eer ese ae 
| 2a Beechwood creosote......... 14 17 21 25 At) eye oes 
| 30 Sel (SFO TID 210 (DSS igee ie eee 1 3 5 a ShiGee seme e 
a LETHE) eS Ue oe See il 15 16 16 BUC hepa ste 
_ eee W ood-creosote oil.......-...- il 13 15 16 IGE Reem real oe 
| Timberasphalt........-.----- te PRR iy Sar ae sep, ae Queso um enad 
| Se Cupperized Oue ss.) ote 5 5 5 5 Aye a 
| 2 TS Celnopl ee e108 A ea a eae ae 2 4 7 11 ee eee ae ane 
eas sts 3 545. 3 HECEASEH EI n.d oto eles Sod ma 55 74 81 88 Si i ee ee 
