3 steps to repairing a cracked polyethylene water tank
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Good quality water tanks and chemical tanks such as those made by JoJo Tanks in South Africa should not crack easily but sometimes an accident occurs which has nothing to do with the quality of the polyethylene tank. It is good to know that minor cracks in most types of plastic tanks can be repaired using ‘plastic welding’. Your local plumber should have or have access to plastic welding equipment. The process itself is fairly simple, as the article below shows.
The large poly plastic water tanks are often found in the farm and agricultural industry. Many times, a poly storage tank will crack. This usually happens in the wintertime when the plastic gets brittle from the low temperatures. While the plastic water storage tank is brittle, the plastic may get kicked by an animal or bumped by a piece of farm equipment and crack and break. Luckily, these are easily repaired using plastic welders from Urethane Supply Company.
Step 1
This particular cracked agricultural water tank had been sitting in the sun for many years and had developed a “crust” on the surface. The weld will not fuse with this “crust”, so the crust was sanded away to get to some good “uncrusty” plastic.
Step 2
Since we couldn’t get inside the poly water storage tank, we had to do the entire repair from the outside. We used a rotary tool with a teardrop shaped bit to grind a V-groove along the crack line.
Step 3
This plastic water tank is relatively thick. To match the thickness of the original plastic, we had to melt in 3 passes (layers) of the polyethylene welding strip.
Source: Urethane Supply Company
JoJo’s superior polyethylene plastic water tanks and steel water tank stands make JoJo Tanks the leaders in plastic water tank technology and the quality, affordability and 5-year guarantee on these water tanks make JoJo products one of the best choices in South Africa. *All JoJo Tanks polyethylene tanks and products now carry a 8 year warranty (on tanks purchased on or after 1 July 2013)* JoJo’s water tanks and chemical tanks come standard with a number of features that are often lacking on cheaper/inferior plastic tanks made by other companies in South Africa.
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