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BA 324 VDA /92 Gauge PET

BA 324 is a 92 gauge polyethylene terephthalate (PET) based product that is aluminized on one surface and offers excellent physical, thermal, and optical properties with low emittance and solar absorptance values in first surface mirror applications. BA 324 is engineered for use in multi-layer insulation (MLI) blanket applications and complies with the requirements of Federal Specification L-P-377.

Applications:

  • First Surface Mirror Insulating

Properties:

Construction/ Typical Properties

Value

Test Method

Tensile Strength:

MD 29,000 PSI
TD 37,000 PSI

ASTM D882A

Elongation:

MD 160%
TD 100%

ASTM D882A

Thickness:

0.001 inch (25.4 microns)

ASTM D374-94, A, B, or C

Density:

1.40 g/cc

ASTM D1505

Yield:

152.5 ft2/lb
31.2 m2/kg

ASTM D1004-61

Weight /Area:

32 g/m2

 

Operating Temperature (Intermittent):

-250oC to 150oC (-420oF to 300oF)

 

Operating Temperature (Continuous):

-250oC to 120oC (-420oF to 250oF)

 

Shrinkage:

MD 3.5%
TD 3.5%

190oC/5 min
190oC/5 min

Metallization Type:

99.99% Pure Aluminum

 

Deposition:

300 Å Minimum

 

Electrical Resistance:

≤1.0 Ohms /square

ASTM D257

Infrared Emittance:

<0.04

ASTM E408

Solar Absorptance:

≤0.14

ASTM E903/ ASTM E490

Outgassing:

This product meets NASA guidelines per ASTM E595-93 as follows: TML-WVR <1.0%; CVCM <0.1%.