3 storage life not exceeding four months na meets the

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Unformatted text preview: and II only) Storage life - not exceeding six months (Types I and II only) kPa ≥ 2 300 average shear strength ≥ 1 000 average shear strength ≥ 5(1) hours n/a meets the requirements of CSA O112.3 Storage life - not exceeding four months n/a meets the requirements of CSA O112.3 (Type III only) Creep (Type I only) mm ≤ 3.63 total for two specimens combined Note to Table 3: (1) Even if the working life is less than five hours, the glue may be supplied under CSA O112.3 if specifically agreed to by the manufacturer and purchaser. In these instances, the glue shall comply with all other requirements of the standard. 5 of 10 Table 4. Performance Requirements for Physical Properties of Polyvinyl Adhesives for Wood Property Unit Requirement Total solids % ≥ 40 Ash content % ≤8 stormer grams mPa·s 275 ≤ μ ≤ 1 350 1 000 ≤ μ ≤ 9 000 Shear strength - compression loading MPa ≥ 19 average shear strength Heat resistance kPa ≥ 1 700 Stability n/a no visible change and meets brookfield viscosity and heat resistance Storage life - after six months at 21°C to 24°C n/a meets brookfield viscosity, shear strength by compression loading, and heat resistance Viscosity • stormer; or • brookfield Table 5. Performance Requirements for Physical Properties of Urea Resin Adhesives for Wood (Room- and High-Temperature Curing) Property Unit Requirement Insoluble material % ≤ 20 by mass of the non-volatile constituents Amylaceous matter n/a shows no indication of the presence of amylaceous matter pH of cured film n/a ≥ 2.5 Shear strength - compression loading MPa (Type I only) Plywood shear strength • dry strength • wet strength kPa kPa Liquid working life at 21°C to 24°C hours Storage life - after three months at 21°C to 24°C ≥ 19 average shear strength ≥ 2 300 average shear strength ≥ 1 900 average shear strength ≥ 3(1) n/a meets the requirements of CSA O112.5(2) Notes to Table 5: (1) Even if the working life is less than three hours, the adhesive may be supplied under CSA O112.5 if specifically agreed to by the manufacturer and purchaser. In these instances, the adhesive shall comply with all other requirements of the standard. (2) This requirement may be waived by agreement of purchaser and supplier. 6 of 10 Table 6 Performance Requirements for Physical Properties of Phenol and PhenolResorcinol Resin Adhesives for Wood (High-Temperature Curing) Property Unit Requirement Insoluble material % ≤ 20 by mass Amylaceous matter n/a no indication of the presence of amylaceous matter pH of cured film n/a ≥ 2.5 Plywood shear strength • dry • cold soak • boil kPa ≥ 2 500 average shear strength Liquid working life at 21°C to 24°C hours Storage life - after three months at 21°C to 24°C ≥ 3(1) n/a meets the requirements of CSA O112.6(2) Notes to Table 6: (1) Even if the working life is less than three hours, the adhesive may be supplied under CSA O112.6...
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