1) resined antimony, phenol, furan 2) long life, wear durable and resistance 3.) best quality, high hardness 4) pumps

1)The graphite seal rings are available and tailor-made as customers' request.2)The graphite seal rings with wear resistance,resistance to high temperature,pressure resistance,corrosion resistance,creep resistance,self-lubricating without oil,little expansion coefficient,and excellent sealing.3)The rings are used for equipment parts of pump, such as water pump,aciduric pump,alkali-resistant pump in industry and chemical industry. 4)Package:cardboard boxes,wooden boxes.