... 5mm,2.8mm 3) 50 years life 60 Casement Door Window Frame Seal Strip 1>Mainly Provide60mm casement ,80mm/88mm sliding , ... ,excellent heat preservation,pressing resisting,water sealing property.3.color:white,double-colors and strip co-extrusion4.standard:GB/T8814-2004 ... between-30 to 70.3. Rubber StripHigh Quality Rubber Sealing Strip provide air tightness therefore it can reduce your Air conditioner ...