Sold by the CONTINUOUS YARD!Locking Gasket is a rubber extrusion designed to lock in the installation of stationary windows or windshields.Locking Gaskets provide a secureseal betweena metal or fiberglass body panel and a glass or plexiglas window.Locking Gaskets available in one piece and two piece styles with a lock strip, and are highly resistant to numerous environmental conditions.Matching Locking Gasket Key (Insert Key) – LK-937& LK-723C (Sold Separately)Resistance to: Ozone Excellent, Water Absorption Excellent, Sunlight Aging Excellent, Low Temperature ExcellentGeneral Temperature Rating:-30 Degrees to +158 DegreesMaterial:G.P 70 Durometer EPDM, Black, dense EPDM rubber to meet ASTM,D2000 M2BA710 C12,EA14, F17, Z1, Z2, Z3; Z1= Comp. Set 22 hrs. @ 100 C, 30% max., Z2= Non-blooming, Z3= 73 +/- 3 (uncured) shore A.Must be capable to meet EPDM per SAE J200BC715 C12 C 20.Hardness: 70+/-3Elongation:200 (250 according to D2000)Tensile: 1450 PSI min.