Expansion Joint Filler Evaluation APEL Nomaflex September 5, 2016
APEL Address Address REPORT OF TESTS SUBJECT: PROJECT: Analysis of Closed-Cell Polypropylene Preformed Expansion Joint Filler APEL - Nomaflex MATERIALS: Shipped to Nelson Testing Laboratories on June 10, 2016 PROJECT #: 16-1164 PAGE: 1 of 11 SPECIFICATION: TEST METHODS: AASHTO T42, Standard Specification for Preformed Expansion Joint Filler for Concrete Construction ASTM C666, Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing ASTM D545, Standard Test Methods for Preformed Expansion Joint Fillers for Concrete Construction (Nonextruding and Resilient Types) ASTM D4329, Standard Practice for Fluorescent Ultraviolet (UV) Lamp Apparatus Exposure of Plastics ASTM D5249, Standard Specification for Backer Material for Use with Cold- and Hot-Applied Joint Sealants in Portland-Cement Concrete and Asphalt Joints (Section 9.5 Heat Resistance)
Page 2 of 11 TEST DATA Material: Nomaflex Testing Temperature: 73 degrees F. Test Dates: June and July 2016
Page 2 of 11 AASHTO T 42/ASTM D545 (Section 7.1) - Expansion in Boiling Water Average of five 4 x 4 x 0.5-in Nomaflex specimens tested in boiling water for 1 hour Initial Thickness 0.454-in Specimen 4 Specimen 5 0.461-in 0.448-in 0.456-in 0.453-in 0.454-in Final Thickness 0.456-in Specimen 4 Specimen 5 0.463-in 0.451-in 0.458-in 0.454-in 0.455-in Expansion 0.40% 0.43% 0.67% 0.44% Specimen 4 0.22% Specimen 5 0.22%
Page 4 of 11 AASHTO T 42/ASTM D545 (Section 7.2.4) - Recovery Average of five 4 x 4 x 0.5-in Nomaflex specimens tested to 50% compression Initial Thickness 0.457-in Specimen 4 Specimen 5 0.457-in 0.454-in 0.448-in 0.462-in 0.462-in Final Thickness 0.426-in Specimen 4 Specimen 5 0.425-in 0.416-in 0.421-in 0.437-in 0.433-in Recovery 93.4% 93.0% 91.6% 94.0% Specimen 4 94.6% Specimen 5 93.7%
Page 5 of 11 AASHTO T 42/ASTM D545 (Section 7.2.5) - Compression Average of five 4 x 4 x 0.5-in Nomaflex specimens tested to 50% compression Compressive Load 625 lbf Specimen 4 Specimen 5 636 lbf 620 lbf 624 lbf 622 lbf 622 lbf Compressive Strength 39 psi Specimen 4 Specimen 5 40 psi 39 psi 39 psi 39 psi 39 psi
Page 6 of 11 AASHTO T 42/ASTM D545 (Section 7.3) - Extrusion One 4 x 4 x 0.5-in Nomaflex specimen tested to 50% compression Extrusion 0.000-in
Page 7 of 11 AASHTO T 42/ASTM D545 (Section 7.6) - Water Absorption One 4 x 4 x 0.5-in Nomaflex specimen tested in 71 deg F. water Initial Weight 7.4 g. Final Weight 7.7 g. Thickness 0.461-in Absorption by Volume 0.25%
Page 8 of 11 AASHTO T 42/ASTM D545 (Section 7.7) - Density One 4 x 4 x 0.5-in Nomaflex specimen tested at 72 deg F., 67% RH conditions Weight 6.8 g. Thickness 0.460-in Density 3.52 lbs/ft 3
Page 9 of 11 ASTM C666 - Freeze-Thaw Resistance Average of five 4 x 4 x 0.5-in Nomaflex specimens tested under freeze-thaw conditions for 300 cycles Observations @ 300 Cycles No visual change no visual change no visual change no visual change Weight Change @ 300 Cycles 0.0% 0.0% 0.0% 0.0% Expansion or Shrinkage @ 300 Cycles 0.0% 0.0% 0.0% 0.0% Tensile Strength Change @ 300 Cycles* 9.3% Specimen 4** Specimen 5** Specimen 6** 128 lbf 125 lbf 135 lbf 117 lbf 126 lbf 110 lbf *testing performed per ASTM D5249. **specimens 4, 5 and 6 were not subjected to freeze-thaw testing
Page 10 of 11 ASTM D4329 - UV Weathering Average of three 4 x 4 x 0.5-in Nomaflex specimens tested under Cycle A conditions for 1000 hours Observations @ 1000 Hours no visual change - no cracking no visual change no visual change no visual change
Page 11 of 11 ASTM D5249 - Heat Resistance Average of three 4 x 4 x 0.5-in Nomaflex specimens tested for 20 seconds in oil batch at 392 deg F. Initial Thickness 0.462-in 0.446-in 0.469-in 0.471-in Final Thickness 0.460-in 0.442-in 0.469-in 0.470-in Shrinkage 0.4% 0.9% 0.0% 0.2%