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Aerospace Cast Acrylic products are ideal for aircraft cabin windows, fighter canopies, windscreens, wing-tip lenses, outer laminates and instrument panels for general aviation and military aircraft. These products meet US Military Specifications MIL-P-5425, MIL-P-8184, and MIL-P-25690 to the United States aerospace industry.

Aerospace acrylic plastics are perfect for use in high-performance environments. Uniquely manufactured and formulated, these sheets meet both the present and future needs, of our aerospace industry customers.


Poly 2000

Stretched Acrylic Sheet Mil-PRF-25690 High impact, craze resistance

Poly 76

Crosslinked, preshrunk acrylic sheet Mil-PRF-8184 High craze resistance

Poly 84

Superior craze and solvent resistance acrylic sheet Mil-PRF-8184 Lower moisture and superior craze

Poly II

Heat-resistant, preshrunk Acrylic Mil-PRF-5425 Thermally annealed

Poly 900

Semi-cross-linked acrylic sheet DTD-5592 Better craze resistance and tolerance

Polycast UV-SC

UV Blocking & Solar Heat Control Cell Cast Acrylic Available in all Mil-Specs Higher visibility than traditional materials

Polycast AQ

Aircraft Quality ASTM-4802 Superior Optical grade


POLY A (ASTM D-4802) is our standard unshrunk acrylic manufactured to a visual and optical aircraft specification. It is available in clear as well as transparent colors. Common applications are non-critical glazing for commercial helicopters and sport planes.

POLY FR9 is an interior acrylic material ideal for aircraft applications where low flame spread and low smoke generation are desirable. POLY 900 is a semi-cross-linked material formulated to meet British specifications DTD-5592.

POLY II (MIL-P-5425) military specification covering heat-resistant, preshrunk, clear, and colored acrylic sheet. Material supplied for conformance for this specification is identified by the name POLY II®. Polycast is qualified to furnish sheets in thickness 0.060-1.000 to meet this specification.

POLY 76 (MIL-P-8184) is a crosslinked, preshrunk acrylic with excellent resistance to crazing, solvent attacks, and thermal dimensional change. As one of the few U.S. Military approved materials for stretched panels (MIL-P-25690), sophisticated applications for both military and commercial aircraft are numerous. Availability in transparent colors enhances the versatility of this product. It meets or exceeds all requirements of MIL-P-8184, Type I and II, Class 1 and 2.

POLY 84 (MIL-P-8184) is a uniquely formulated, crosslinked preshrunk acrylic specifically designed to provide superior craze and solvent resistance for today's changing environment. Improvements such as lower water absorption and increased resistance to acids expands the number of "as cast" applications. Poly 84 also meets or exceeds MIL-P-8184, Type I and II, Class 1 and 2. Its superior craze resistance makes it ideal for monolithic windscreens, outer laminates, and canopies. It is also available in transparent colors. It meets or exceeds all requirements of MIL-P-8184. Type I and II, Class 1 and 2.

POLY 2000 (MIL-P-25690) military specification covering stretched acrylic sheet specially designed from Mil-P-8184 base material. It offers enhanced craze properties and increased crack resistance. Material supplied for conformance to this specification is identified as Poly 2000™. 

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