The MCK3200 and MCK4415 curtain fabrics are used in the construction of McKEON Smoke and Draft and/or Fire Protective curtain assemblies. Material properties and flame spread ratings for each fabric are detailed below.
MATERIAL PROPERTIES - MCK3200
| Material Property |
Description |
| Finished Weight |
13.4 oz/yd2 (455 g/m2) |
| Finished Thickness (nominal) |
16 mils (0.40 mm) |
| Base Fabric |
Fiberglass |
| Weave |
4 Shaft Satin |
| Warp & Weft (1/cm) |
18.6 x 11 |
| Finishing/Coating |
Aluminum pigmented polyurethane |
ASTM E84 Flame Spread Index (FSI)
ASTM E84 Smoke Developed Index (SDI) |
<25
<450 |
MATERIAL PROPERTIES - MCK4415
| Material Property |
Description |
| Finished Weight |
18.9 oz/yd2 (640 g/m2) |
| Finished Thickness (nominal) |
21 mils (0.54 mm) |
| Base Fabric |
Stainless steel reinforced fiberglass |
| Weave |
8 Shaft Satin |
| Warp & Weft (1/cm) |
16 x 15.3 |
| Finishing/Coating |
Aluminum pigmented polyurethane |
ASTM E84 Flame Spread Index (FSI)
ASTM E84 Smoke Developed Index (SDI) |
<25
<450 |
CAN/ULC S102 Flame Spread Rating (FSR)
CAN/ULC S102 Smoke Developed Classification (SDC) |
0
25 |
| ASTM E136 Combustibility Rating (without coating) |
Noncombustible without Coating |
