Lp-391 Acrylic

Lp-391 Acrylic



L-P-391D, FEDERAL SPECIFICATION: PLASTIC SHEETS, RODS AND TUBING, RIGID CAST, METHACRYLATE (MULTI-APPLICATION) (19 NOV 1975) [S/S BY ASTM-D4802 AND ASTM-D5436].


This specification covers methacrylate sheets, rods and tubes produced by.


Future acquisition for this material should refer to ASTM D 4802 “Standard Specification for Poly (Methyl Methacrylate) Acrylic Plastic Sheet” and ASTM D 5436, “Standard Specification for Cast Poly (Methyl Methacrylate) Plastic Rods, Tubes, and Shapes.” For Aerospace use AMS-L-P-391 only.


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SAE AMS-L-P-391 Plastic Sheets, Rods and Tubing, Rigid Cast, Methacrylate (Multiapplication), 10/8/2019  · American made Acrylic Sheet Grade C to Specification LP -391 is unshrunk. When heated to forming temperature of 220-250°F, it will shrink about 2.2% in length and width and will increase about 4% in thickness. When heated to a pliable state it can be drilled, sawed and machined.


Plastic Sheet part number L-P-391 Simulated weathering when specified NSN 9330-00-618-3538.


Acrylic is lightweight, resistant to thermal shock, has excellent optical clarity and mechanical properties. … It is manufactured and certified to meet the requirements of AMS- LP -391, Type I, Grade C. ACRYLITE® GMU sheet is used for aviation applications where military specifications are not required at an economical cost.


We do certify it to AMS- LP -391, Item A, Type I, Grade C Applications of ACRYLITE® in Aviation Tranparency. ACRYLITE® GMS. ACRYLITE® GMS acrylic sheet meets and is qualified to prEN 4364 and MIL- PRF-5425 for use in the aviation industry in applications where exacting standards are established for aircraft applications.


ACRYLITE ® (GMU) cast acrylic sheet offers superior optical quality and thickness tolerances for nonmilitary aircraft applications. Certified to meet or exceed the current version of AMS- LP .


Lucite® L is a cast acrylic sheet with a unique combination of high molecular weight and uniform thickness. Lucite® L cast acrylic sheet is lightweight and easily fabricated. Clear, colorless Lucite® L sheet has a luminous transmittance of 92%. It is clearer …

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