MIL-PRF-5425E
TABLE II. Performance characteristics.
CHARACTERISTIC
REQUIREMENT
1.19 ±0.01
Specific gravity
Water absorption
See table I
Rate of burning
See table I
Coefficient of thermal expansion per °F (°C), maximum
0.000055 (0.00010)
Internal strain (dimensional change), percent, maximum
1
Flexural deformation temperature, °F (°C)
185 to 239 (85 to 115)
0.500 inch and less in thickness
194 to 242 (90 to 117)
Over 0.500 inch in thickness
Tensile strength, psi (MPa), minimum
As received
8000 (55.2)
After natural weathering
8000 (55.2)
Elongation, percent, minimum
As received
2
After natural weathering
2
Ultraviolet transmittance (290 to 330 mµ range), percent,
5
maximum
1.49 ±0.01
Index of refraction 1/
Luminous transmittance, percent, minimum 1/
Thickness, inch:
0.060 through 0.187
As received
91
After accelerated and natural weathering
90
Over 0.187 through 0.312
As received
90
After accelerated and natural weathering
89
Over 0.312 through 0.417
As received
89
After accelerated and natural weathering
87
Over 0.417 through 1.000
As received
89
After accelerated and natural weathering
86
Haze, percent, maximum 1/
As received
3
After accelerated weathering
3
After natural weathering
4
Warpage after accelerated weathering
See table I
Thermal stability
No evidence of blistering
1/ Requirement is for colorless plastic sheet.
5
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business