Products
Details
Applications
Concrete expansion joints
Masonry column isolation
Masonry expansion joints
Back-up for hot and cold pour sealants
Bond-breaker between precast concrete and veneer
Available sizes
Thickness:
· ¼”
· 3/8”
· ½”
Widths
· Up to 48”
Lengths
· 50’ rolls
Available Options
Standard score, multi-score, with tear tab
Typical lead time on special orders is less than one week
Optional pressure sensitive adhesive one or two sides
Williams Everlastic® EJ-2000
The Williams Everlastic EJ-2000 is a cross-linked cell foam.
It is an economical, resilient, heat resistant and non-absorbent foam that comes available with pressure sensitive adhesive.
It’s compatible with most sealants and is an excellent thermal and moisture resistant product.
It has many uses and can be paired with hot or cold sealants. The EJ-2000 comes with tear tab peel away capability to receive the sealant. Also comes with optional self-stick adhesive that allows for sure and simple placement. Long rolls also reduce splicing.
Typical Physical Properties
| Physical Properties | Test Method | Unit | Values | |
|---|---|---|---|---|
| Density | ASTM 3575 | lb/ft3 | 2 | |
| Tensile Strength | PSI | 44 | ||
| Elogation of Break | % | 163 | ||
| Tear Strength | lbf/in | 12 | ||
| Compression Deflection | 25% | PSI | 5 | |
| 50% | 14 | |||
| Compression Set | 25% 24 hr | % | 7 | |
| 50% 24 hr | 25 | |||
| Working Temperature Range | Internal | degrees F | -76 / 194 | |
| Water Absorption | Internal | % vol (max) | 1 | |
| Thermal Conductivty at 50 degrees F | ASTM C177 | Btu·in/hr./ft2/°F | 0.26 | |
| Thermal Conductivty at 100 degrees F | 0.29 | |||
| Hardness Shore 00 Scale | ASTM 2240 | Shore 00 | 56 | |
| Flammability >25″ | FMVSS 302 | 4″/min | PASS | |
| Thermal Stability 24hrs @ 185 degrees F | ASTM 3575 | % | <2 |