Animal Fat Comparison
FiberTite® vs. Competitors
Samples of each membrane are cut and weighed, immersed in the chemical for seven days at 73ºF (23ºC), removed, cleaned and re-weighed.
Reported values reflect change in weight after the seven day exposure, as measured at 15 minutes and 24 hours after removal.
Test Results
| 15 min After Removal | 24 hrs. After Removal | ||
| Fibertite | -0.3% | -0.3% | No change |
| PVC#2 | -1.0% | -1.0% | Slight Curl Slightly Stiff |
| PVC#1 | -1.4% | -1.4% | Curling Stiff |
| NBP | -1.4% | -1.4% | Slight Curl Slightly Stiff |
| PVC #3 | -1.7% | -1.7% | Curling Slightly Stiff |
| PVC #4 | -1.9% | -1.9% | Slight Curl |
| CPA | -2.9% | -2.9% | Slight Curl Slightly Stiff |
Testing simulates the effect of chemical contamination on a roofing membrane.
Changes in weight gain or loss illustrate the extent of a roofing membrane's ability to resist exposure to a chemical contaminant.
Weight loss is associated with plasticizer extraction or the loss of other compound additives.
Weight gain is indicative of a contaminant's ability to permeate the membrane causing swelling and/or softening of the compound.
Test Results for Resistance to Chemical Contaminants as Performed and Reported by Structural Research, Inc.
