shrinkHOoP is a Trademark of Tyco Electronics
Specification Control Drawing
Rev. Date:
Dec. 9, 2004
Rev.:
F
Document No.
URHR-1-and-5
Sheet:
2 of 2
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Table 2: Properties
Property Requirements Test method
Tensile strength 1200 psi (8.3 Mpa) minimum ASTM D-412
Ultimate elongation 250% minimum ASTM D-412
Specific gravity 1.4 maximum ASTM D-792
Water absorption 0.5% maximum ASTM D-570
Hardness, Shore D 35 ± 5 ASTM D-2240
Flammability
Pass
ASTM D-635
Corrosion resistance Pass MIL-I-81765
Low temperature flex
4 hours at –67 ± 2°F (-55 ±
1°C)
Pass MIL-I-81765
Heat resistance
168 hours at 347 ± 2°F
(175 ± 1°C)
200% ultimate elongation,
minimum
1000 psi (6.9 Mpa) tensile
strength, minimum
MIL-I-81765
Physical
Heat shock
4 hours at 437 ± 5°F (225 ±
2°C)
No cracking, dripping or
flowing MIL-I-81765
Elastic Memory 275% minimum expansion to 4 inch (10 cm) of
a fully recovered test specimen, and 93%
recovery of expanded specimen after oven
condition for 1 minute at 302 ± 4°F (150 ± 2° C)
Dielectric strength 200 v/mil (7880 v/mm)
minimum ASTM D-149
Electrica
l Volume resistivity 10
12
ohm-cm minimum ASTM D-257
Chemical
Fluid Resistance 200% ultimate elongation,
minimum
750 psi (5.2 Mpa) tensile
strength, minimum
MIL-I-81765