SPECIFICATION RT-350 ISSUE 17
TABLE 3
Requirements
REQUIREMENT
Page 5
PROPERTY
PHYSICAL
UNIT
TYPE 1 TYPE 2
TEST METHOD
Section 4.3.1
Dimensions
Inches (mm)
In accordance
In accordance
ASTM D 2671
with Table 1
with Table 1
Longitudinal Change
Percent
+0, -5
+0, -5
Tensile Strength
Ultimate Elongation
Secant Modulus (Expanded)
psi (MPa)
Percent
psi (MPa)
1500 minimum
(10.3)
200 minimum
2.5 x 104
1500 minimum
(10.3)
200 minimum
2.5 x 104
Section 4.3.2
ASTM D 2671
ASTM D 2671
maximum
(172)
maximum
(172)
Specific Gravity
Low Temperature Flexibility
---
---
1.35 maximum
No cracking
1.0 maximum
No cracking
ASTM D 2671
Table 2
4 hours at -55 ± 1°C (-67 ± 2°F)
ASTM D 2671
Procedure C
Heat Shock
4 hours at 250 ± 3°C (482 ± 5°F)
---
No dripping,
flowing or
No dripping,
flowing or
Table 2
ASTM D 2671
cracking
cracking
Heat Resistance
---
---
---
ASTM D 2671
168 hours at 175 ± 2°C (347 ± 4°F)
Followed by test for:
Ultimate Elongation
Percent
150 minimum
150 minimum
Color
Color Stability
---
---
MIL-STD-104
MIL-STD-104
---
---
MIL-STD-104
ASTM D 2671
48 hours at 175 ± 2°C (347 ± 4°F)
ELECTRICAL
Dielectric Strength
Volume Resistivity
Volts/mil
(volts/mm)
ohm-cm
500 minimum
(19,680)
1014 minimum
500 minimum
(19,680)
1016 minimum
NOTE 1
ASTM D 2671
ASTM D 2671
CHEMICAL
-
Copper Mirror Corrosion 16 hours at 175 ± --
2°C (347 ± 4°F)
No removal of
copper
No removal of
copper
ASTM D 2671
Procedure A
Copper Contact Corrosion
168 hours at 160 ± 2°C (320 ± 4°F)
---
No pitting or
blackening of
No pitting or
blackening of
ASTM D 2671
Procedure B
copper
copper
Copper Stability
168 hours at 160 ± 2°C (320 ± 4°F)
---
No brittleness,
glazing,
cracking, or
severe
discoloration of
tubing
No brittleness,
glazing,
cracking, or
severe
discoloration of
tubing
Followed by test for:
Ultimate Elongation
Percent
200 minimum
200 minimum
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