Physical Property

Test Method

Typical Values 45 mil* (1.14 mm)

Typical Values 60 mil* (1.52 mm)

Breaking Strength

ASTM D-751 

(Grab Method)

290 lbf. (1.3 kN)

330 lbf. (1.5 kN)

Tear Strength

ASTM D-751 

(Procedure B, 8"X8" sample)

100 lbf. (0.44 kN)

110 lbf. (0.50 kN)

Hardness Shore A

ASTM D-2240

85

85

Dimensional Stability (% change)

ASTM D-6878   

(white: 24 hrs @ 129^oF/54^oC)

+ 0.1

+ 0.1

Hydrostatic Resistance

ASTM D-751 (Method A)

400 psi (2.8 MPa)

440 psi (3.0 MPa)

Ozone Resistance**

ASTM D-1149   

(70 hrs @ 100^o F / 37.8^o C)

Pass

Pass

Weather Resistance

Xenon Arc, ASTM D-5019

No cracks or crazing

No cracks or crazing

EMMAQUA (Concentrated Natural Sunlight) (ASTM G-90) 4 million langleys total UV radiant exposure

Pass

Pass

Puncture Resistance

FTM 101B 

(Method 2031)

230 lbf. (1.0 kN)

290 lbf. (1.3 kN)

Water Vapor Transmission

ASTM E-96 

(Procedure B Condition BW @ 72^o F/22.2^o C)

0.049 Perms

0.049 Perms

Solar Reflectance (initial)

ASTM E-903

0.85

0.85