Note: This product is expired as of May 2025.
AC-251 Black Class B are two-part, quick curing, polysulfide based canopy and windshield sealants. These products are formulated for sealing acrylic, glass, and polycarbonate aircraft canopies and windshields. AC-251 Black Class B Sealants contain no solvent and do not craze. The sealants quickly cure and exhibit excellent adhesion and resistance to UV and weather exposure. 6 Oz Container with a 3.5oz Fill |
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.