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Q: How does Line-Prime work?
A: Line-Prime contains water thickeners and lubricating agents. As Line-Prime goes through the pipes and hoses it leaves a coat of water and lubricating agents and effectively wets all surfaces. As the concrete comes behind the Line-Prime it does not lose water and the lubrication allows it to slip through the pipe.
Q: If I have a long run of Hose or pipes should I increase the Line-Prime concentration to make it more effective?
A: No. A too high concentration may thicken the concrete excessively and produce a plug in the line. It is better to increase the volume of Line-Prime used to insure complete coverage and wetting of the line.
Q: What is the best way to prime horizontal lines?
A: Line-Prime will tend to run on the lower part of the line, it is recommended to use a sponge rubber ball in front of the priming solution to avoid only wetting the bottom of the line.
Q: Why do I get plugs when priming for Concrete with super plasticisers?
A: Line-Prime requires water to hydrate, so when Line-Prime is made with too little water it will absorb water from the concrete in order to hydrate. Concrete with super plasticisers tends to have low water content, so if Line-prime absorbs any water from the concrete it will have a tendency to plug, we strongly recommend increasing water content to prepare the priming solution.
Q: if I do have a bucket available, can I prepare the priming solution in the hopper?
A: YES. Most operators do it that way. Be sure that the bag dissolves completely by directing the water jet over it.
Q: How long in advance do I need to prepare my priming solution- Line-prime?
A: You need at least 5 minutes for the product to fully dissolve. Once it dissolves, it will stay stable for several hours, so you can prepare your priming solution well before the concrete arrives.
Q: Will Line-Prime build up in the Pump, Pipes & Hoses?
A: No
Q: Can Line-Prime be added directly into the ready Mix truck?
A: YES. It will make the concrete more pumpable.
Q: Does Line-Prime contain bentonite clay?
A: NO. Line-Prime does not contain bentonite clay or any other type of clay.
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