A. leak hunting
the crux to stop the leak is to find where the leak is.
B. leak stoppage
1. clean the surroundings of the leak.
2. mix component A with B in the proportion of 10:1, spread the mixture on the collision mat and apply it on the leaking surface.
C. reinforcement
1. mix the A and B component of reinforcing adhesive in the proportion of 10:1-10:0.5.
2. apply the mixture on the first layer of adhesive.
3. the coverage of this layer should be wider than that of the first one. If the pipeline pressure of is too intense, cotton, polyester fabric or other fiber rope with reinforcing adhesive should be used to wrap the pipe.
D. protection
to reach the perfect state of stopping leak, protective paint (anti-decaying paint, anti-rust paint)is often used on the out layer of the leaking spot.
E. The challenging operational approach for stopping the leak
1. clean the leaking spot using special tools.
2. apply the adhesive using brush
3. apply another layer of adhesive and press the surface with strength.
4. use up the mixture and don’t leave it for next time.
F. solutions for speeding up of bonding in cold winter
1. the ratio of curing agent to coarse clue should be no less than 10%.
2. increase the pre-reaction time, that is, leave the mixture alone for 10 to 20 minutes till the mixture changes color.
3. heat the mixture when mixing them to increase the speed of solidification.
G. Reasons for failing to stop the leak.
1. the proportion of curing agent in the mixture is not enough. The viscosity of the mixture has close relations with the amount of curing agent in the mixture. The more curing agent, the more viscous the mixture it is.
2. no further treatment is deployed after the applying the first layer of adhesive. |