To provide a low-cost pipe joint for ensuring a required water stop performance for a long time, without increasing the quantity of a nonwoven fabric comprising a water expanded fiber, eliminating a dedicated clamp tool and the application of a silicon oil, when the pipe joint is attached to the pipe even if an outside diameter of a pipe becomes large, facilitating a work for attaching the pipe joint to the pipe, and eliminating an outflow of the gelled nonwoven fabric from a junction of the pipe joint to the outside regardless of a fluctuation of a clearance between the pipe and pipe joint bodies and a fluctuation of a torque for attaching the pipe joint to the pipe, when water enters.
A pipe joint 1 covers the outer circumference of a connection of the pipe, and the pipe joint 1 has the pipe joint bodies 4, 4, and a water-absorbing layer 5 provided on the inner faces of the pipe joint bodies 4, 4. The water-absorbing layer 5 comprises the water-absorbing nonwoven fabric, having the basis weight quantity of 200-400 g/m2 and a moisture content of the water expanded fiber of 50-70%.