SPECIFICATION RT-1140 ISSUE 6 Page 5
If this document is printed it becomes uncontrolled. Check for the latest revision.
TABLE 3
Requirements
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 psi (MPa) 600 minimum (4.1) Section 4.3.2
Ultimate Elongation percent 200 minimum ASTM D 2671
Tensile Stress at 100% elongation psi (MPa) 1000 maximum (6.8) Section 4.3.2
ASTM D 412
Specific Gravity --- 1.35 maximum ASTM D 2671
Hardness (Sizes 1/2" or larger) Shore A 60 ± 5 ASTM D 2240
Low Temperature Flexibility
4 hours at -75 ± 2°C (-103 ± 4°F
--- No cracking ASTM D 2671
Procedure C
Table 2
Heat Shock
4 hours at 300 ± 3°C (572 ± 5°F)
--- No dripping, flowing or cracking
of suspended specimens
ASTM D 2671
Heat Resistance
168 hours at 200 ± 3°C (392 ± 5°F)
Followed by tests for:
--- --- ASTM D 2671
Tensile Strength psi (MPa) 450 minimum (3.1) Section 4.3.2
Ultimate Elongation percent 100 minimum
ELECTRICAL
Dielectric Strength
volts/mil
(v/mm)
350 minimum (13,800)
ASTM D 2671
Volume Resistivity ohm-cm
10
11
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
seconds
60 maximum
ASTM D 2671
Flag burn percent 25% maximum Procedure B
Fungus Resistance --- Rating of 1 or less ASTM G 21
Water Absorption
24 hours at 23 ± 3°C (73 ± 5°F)
percent 1.0 maximum ASTM D 2671
Fluid Resistance
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:
--- --- ASTM D 2671
Tensile Strength psi (MPa) 250 minimum (1.7) Section 4.3.2
Ultimate Elongation percent 100 minimum ASTM D 2671
*Trademark of the Monsanto Company.
