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Tyvek® 1025D
Properties:
Test Method:
Tyvek® 1025D
Basis weight (oz/yd2)
ASTM D3776 a
1.25
Thickness (mils)
ASTM D1777 b
5.0
Sigma range (+/- 4)
n/a
6.3/3.8
Tensile strength (lb/in)
-md
-cd

ASTM D5035 c
ASTM D5035 c

20.4
22.5
Elongation (%)
-md
-cd

ASTM D5035
ASTM D5035

14
19
Work to break (in-lb)
-md
-cd

ASTM D5035
ASTM D5035

9
13
Elmendorf tear (lb)
-md
-cd

ASTM D1424
ASTM D1922

0.84
0.82
Opacity (%)
TAPPI T425
94.6
Delamination/ Internal bond strength (lb/in)
ASTM D2724
0.28
Gurley hill porosity (seconds)
TAPPI T460
ASTM D276 d
32
Parker smoothness (microns)
TAPPI 555
3.8
Treatment
-corona
-antistat

n/a
n/a

yes
yes
Additional processing
n/a
n/a
NOTES: All properties are typical values based on roll averages. Contact DuPont to verify that properties listed meet your specific application. MD=Machine Direction CD=Cross Direction For all styles with antistat, the log of the electrical resistivity has a maximum roll average of 9.8 ohms/square (at 55% relative humidty, smooth and rough side). Values are based on preliminary specifications.

(a) Modified for specimen size.

(b) 7.15 psi, 0.625 inch diameter presser foot.

(c) Cut strip; CRE tensile tester, crosshead speed of 2 in/min and gauge length of 5 inches.

(d) 1.0in2 orifice size at 20 ounce cylinder weight.
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