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Table 2 Retention of tannin and boron in the different tannin-based formulations

From: Tannin-caprolactam and Tannin-PEG formulations as outdoor wood preservatives: weathering properties

Formulation

Wet retention (kg/m3) (SD)

Dry retention (kg/m3) (SD)

Tannin content (kg/m3)

Boron content (kg/m3)

Tannin-boron 10%

630.5 (74.1)

62.2 (7.4)

61.3

0.53

Tannin-boron 20%

412.3 (238.5)

75.5 (52.4)

78.8

0.69

Caprolactam-tannin-boron

644.5 (42.7)

122.3 (9.1)

52.5

0.46

PEG-tannin-boron

517.0 (109.3)

136.7 (34.7)

50.2

0.44

  1. SD standard deviation
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Annals of Forest Science

ISSN: 1297-966X