Language selection

Search

Content page

From [Institution name]

Table 1. Performance requirements for physical properties of resorcinol and phenol-resorcinol resin adhesives for wood (Room- and intermediate-temperature curing)
Property Unit Requirement
Insoluble material % ≤ 20 by mass
Amylaceous matter No indication of the presence of amylaceous matter
pH of cured film 2.5 ≤ pH ≤ 11.0
Shear strength – compression loading MPa ≥ 19 average shear strength
Plywood shear strength (dry) kPa ≥ 2 800 average shear strength
Plywood shear strength (cold soak) kPa ≥ 2 800 average shear strength
Plywood shear strength (boil) kPa ≥ 2 800 average shear strength
Liquid working life at 21°C to 24°C hours ≥ 3 Footnote (1)
Storage life – after six months at 21°C to 24°C Meets the requirements of CSA O112.7 Footnote (2)
Delamination (Type II only) % ≤ 8 of the total length of all adhesive lines
Creep ( environment “A”: 71°C, ambient RH for seven days) mm ≤ 3.63 total for two specimens combined for each environment
Creep ( environment “B”: 26.7°C, 90% RH for seven days) mm ≤ 3.63 total for two specimens combined for each environment