TDS
PL® Roof and Flashing
Polyurethane Sealant
Page 2 of 5
Revision: 08/25/2021
Supersedes: 06/22/2016
Ref. #:440388
Technical Data Sheet
Typical Uncured Physical Properties
Typical Application Properties
Color:
Black
Application Temperature:
The adhesive should be above 40°F
(4°C) and below 100°F (37°C)
(For best results, use when surface
temperatures are between 60°F and
90°F)
Appearance:
Thixotropic solid
Base:
Polyurethane
Formaldehyde / Asbestos free
Odor:
Mild
Flash Point:
Non-Flammable
Sag:
No Sag
Density:
10.1 lb/US gallon
Skin Time:
24 hours* @ 78°F (25°C) and 50%
relative humidity
(Based on sealant bead ½” wide by
¼” depth)
VOC Content:
< 3% by weight
(CARB)
35 g/L
(SCAQMD)
Shelf Life:
12 months from date of manufacture
(unopened)
Cure Time:
Approximately 7 days* @ 78°F
(25°C) and 50% relative humidity
(Based on sealant bead ½” wide by
¼” depth)
Lot Code Explanation:
HE9038R302
9 = Last Digit of Year of Manufacture
038 = Day of Manufacture based on
365 days per year
For example:
9038 = February 7, 2019
Clean Up:
Clean up uncured sealant residue
with mineral spirits. Scrape away
cured sealant using a sharp-edged
tool.
Typical Cured Performance Properties
Color:
Black
Tear Strength (ASTM D1004):
50 pli
Cured form:
Non-flammable, rubbery solid
Weight Loss (ASTM C792):
3% after heat aging
Shrinkage:
Nil
Shore A Hardness (ASTM D661):
25 – 30
Water Resistance:
Yes
Tack-Free Time (ASTM C679):
Passes (maximum 72
hours)
Service Temperature:
-40°F (-40°C) to 180°F (82°C)
Tensile Strength (ASTM D412):
350 psi
Movement Capability:
± 35% (ASTM C719)
Elongation at Break (ASTM D412):
800%
Paintable: **
Yes, Once fully cured (7 days*)
Stain & Color Change (ASTM C510):
No visible change
Water Immersion:
Passes 10 weeks with
movement cycling
Artificial Weathering (ASTM G26):
No Surface Cracking
(Xenon Arc 3,000 hours)
(ASTM C1247, 122°F (50°C))
Adhesion in Peel (ASTM C794):
30 pli
Specifications:
• ASTM C920, Type S, Grade NS, Class 35, Use NT, M, A, T, and I
• Federal Specification TTS-00230C, Type II, Class A
• Meets CAN/CGSB-19.13-M87, Classification MCG-2-25-A-N, No. 81026
**Based on accepted industry standards and practices, using rigid paints and/or coatings over flexible sealants can result in a
loss of adhesion of the applied paint and/or coating, due to the potential movement of the sealant
TECHNICAL DATA
*Time is dependent upon temperature, humidity, porosity of substrate and amount of adhesive used.