Properties |
Test Method/Protocol |
Results |
Class A Fire Retardant |
ASTM E84 |
Meets standard for
Class A fire retardant |
Flame & smoke Spread, Class A |
ASTM E84 |
Meets or exceeds standards |
Resistance to heat transfer |
ASTM E84 |
Resistance to heat transfer greater than non-flammable control |
Strength (rupture) MOR (psi) |
ASTM D4761, ASTM D143 |
up to 9 times greater than
composite products |
Strength (elasticity) MOE (psi) |
ASTM D4761, ASTM D143 |
up to 15% greater than kiln-dried lumber; up to 30% greater than treated wood;
up to 12 times greater than
composite products |
Fastener Holding Strength |
ASTM D-1037 |
30% greater than composite products, up to 75% greater than treated wood |
Stains: 10 yr accelerated weathering, TimberSIL® stain samples (5 types) |
ASTM G151 |
Meets or exceeds standards;
no blistering, no loss of coating |
TimberSIL® wood: 10 yr accelerated weathering |
ASTM G151 |
Meets or exceeds standards; no rot,
no decay, wood silvering |
Corrosivity |
AWPA E12-94 |
Non-corrosive;
results similar to untreated control |
Density (specific gravity) |
ASTM D2395 |
Similar to KD-19 wood, 40-100% lighter than composite products, |
Termite Resistance |
AWPA E1-97, ASTM D3345-74; ASTM D 1758; AWPA E7-93 |
Formosan Termite Grade 10-9.5
Sound, No Weight Loss |
Resistance to Decay (field) |
ASTM D 1758; AWPA E7-93 |
Decay Grade 10
Sound, No Weight Loss |
Resistance to decay (laboratory) |
Flemer et al, Hydrobiologia. 485(1-3):83-96. (ERL,GB 1080).
Kurtz, et al, Environ. Toxicol. Chem. 17(7):1274-1281. (ERL,GB 1004) |
Decay Grade 10, unchanged |
Insolubility |
Molybdate spectrometry |
Insoluble |
Chemical Structure Analysis |
X-ray diffraction |
Composed of non-toxic amorphous glass; no crystalline structure present |
Cellular Structure Analysis |
polarized light microscopy |
Cellular fibers resistant to maceration |
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