GA Wiper Seal is the perfect choice for applications which require a seal to protect against dirt, dust, and environmental contaminants. GA skeleton dustproof sealing ring is specially used to prevent the entry of particles and dust that are easy to cause damage in the external air, maintain the normal operation of equipment and maintain the sealing performance of components. It is molded and adhered on the metal frame, and it fits tightly with the assembly hole. It can prevent the invasion of moisture. It is used for dust protection of engineering machinery cylinder. GA has excellent dust sealing ability. The lip is made of NBR material. GA Wiper Seal is molded on the metal frame with NBR or PU, and it is tightly matched with the assembly hole. Besides, it has an excellent dust-proof sealing ability, can be waterproof and immersed and has an inner lip to reduce oil film leakage. Certainly, it is dustproof for a high-reliability series sealing system. Above all, applicable to hydraulic oil of general petroleum machine.