SPECIFICATION RT-1140 ISSUE 5
TABLE 3
Requirements
Page 5
PROPERTY
UNIT
REQUIREMENTS
TEST METHOD
PHYSICAL
Dimensions
inches
In accordance with Table 1
Section 4.3.1
ASTM 2671
Longitudinal Change
percent
+3 -10 maximum
Tensile Strength
Ultimate Elongation
Tensile Stress at 100% elongation
psi (MPa)
percent
psi (MPa)
600 minimum (4.1)
200 minimum
1000 maximum (6.8)
Section 4.3.2
ASTM D 2671
Section 4.3.2
ASTM D 412
Specific Gravity
Hardness (Sizes 1/2" or larger)
Low Temperature Flexibility
4 hours at -75 ± 2°C (-103 ± 4°F
---
Shore A
---
1.35 maximum
60 ± 5
No cracking
ASTM D 2671
ASTM D 2240
ASTM D 2671
Procedure C
Table 2
Heat Shock
4 hours at 300 ± 3°C (572 ± 5°F)
Heat Resistance
---
---
No dripping, flowing or cracking
of suspended specimens
---
ASTM D 2671
ASTM D 2671
168 hours at 200 ± 3°C (392 ± 5°F)
Followed by tests for:
Tensile Strength
Ultimate Elongation
psi (MPa)
percent
450 minimum (3.1)
100 minimum
Section 4.3.2
ELECTRICAL
Dielectric Strength
volts/mil
350 minimum (13,800)
ASTM D 2671
(v/mm)
Volume Resistivity
ohm-cm
1011 minimum
ASTM D 2671
CHEMICAL
Corrosive Effect
16 hours at 175 ± 2°C (347 ± 4°F)
---
Noncorrosive
ASTM D 2671
Procedure A
Flammability
Time of burning
Flag burn
Fungus Resistance
Water Absorption
seconds
percent
---
percent
60 maximum
25% maximum
Rating of 1 or less
1.0 maximum
ASTM D 2671
Procedure B
ASTM G 21
ASTM D 2671
24 hours at 23 ± 3°C (73 ± 5°F)
Fluid Resistance
---
---
ASTM D 2671
24 hours at 23 ± 3°C (73 ± 5°F)
JP-4 Fuel (MIL-T-5624)
Skydrol* 500
Hydraulic Fluid (MIL-H-5606)
Aviation Gasoline (100/130)
(MIL-G-5572)
Lubricating Oil (MIL-L-7808)
Water
Followed by tests for:
Tensile Strength
Ultimate Elongation
psi (MPa)
percent
250 minimum (1.7)
100 minimum
Section 4.3.2
ASTM D 2671
*Trademark of the Monsanto Company.
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