BOSS ® 333
 Boss ® 333 is a ready-to-use, multi-purpose, polyurethane foam that expands to three times its original volume on contact with air. The expanding action fills holes, cracks and gaps more completely than standard caulks.
Boss® 333 has excellent insulting properties and adhesion to virtually all building materials.
SPECIFICATIONS
BOSS® 333 Polyurethane Expanding
Foam meets CA-25-4, complies with EPA Method 24 and California Air Resource Board Method 310 and is UL Classified.
FEATURES:
- Meets CA-25-4
- UL Classified, Tested to ASTM E-84-04
- Triple Expanding
- Weatherproofs against wind and moisture
- Fills gaps, cracks and holes
- Seals out insects and pests
- Can be sanded, painted and stained
- Complies with EPA Method 24 and California Air Resource Board Method 310
Typical Properties |
| |
| Density, lbs./ft.3 |
ASTM D 1622 |
1.3-1.8 |
| Compression Strength, psi |
ASTM D 1621 |
11 |
| Tensile Strength, psi |
ASTM D 1623 |
33 |
| Shear Strength, psi |
ASTM C 273 |
18 |
| Shear Strain, psi |
ASTM C 273 |
57 |
| Closed Cell Content, % |
ASTM D 2856 |
70 |
| Thermal Resistance, R value |
ASTM C 518 |
5.4”/1” |
Water Vapour Transmission,
perm inch |
ASTM E 96 |
3.3 |
| Maximum Service Temp |
|
240oF(115.6oC) |
| Ideal Application Temp |
|
60oF to 90oF(15.6oC to 32.2oC) |
| UL Classified |
ASTM E 84 |
9.8 |
| Flame spread |
|
20 |
| Smoke Developed |
|
25 |
| FEATURES: |
|
Insulates to a R Value of 5 |
|
UL Classified |
|
Triple Expanding |
|
Weatherproof |
|
Fills Gaps, Cracks and Holes |
|
Seals Out insects and Pests |
|
Can be Sanded, Painted and Stained. |
|
"Product Range"
|
