From TheBestLinks.com
J-B Weld is a company that produces so-called "cold weld" substances, epoxy type products. The name J-B Weld is also the name of their original product[1] (http://jbweld.com/coldweld.html), an epoxy-type substance that sets up extremely hard, experiences no shrinkage, and is resistant to extreme heat. In use, it is generally considered harder than most epoxies by a substantial degree.
The Company
J-B Weld Co. has its beginnings rooted in the mid 1960's. Sam Bonham, at the time running a machine shop, discovered a way to create what he called a "tougher than steel" epoxy. In 1968, Sam's wife, who became Mary Bonham, influenced him to sell his invention and founded the J-B Weld company. Initially, they sold to automotive shops in Texas; however, the company currently does business in all states in the United States, and in twenty seven foreign countries.
Sam passed away suddenly in 1989. He had commented before his death that his life's dream was to see J-B Weld, the original product, sold in all countries around the world. Within a year of his death, his wife Mary had opened a European hub, internationalizing the J-B Weld company and the distribution of the product.
As of 2004, Mary Bonham's daughter, Rhonda Young, holds the Chief Executive Office of the J-B Weld corporation. The business is still a family owned business, although a very large one; the J-B Weld website acclaims that six million units of their product will be sold in 2004[2] (http://jbweld.com/aboutus.html).
The Products
The J-B Weld company sells many prodcuts, mainly their flagship product J-B Weld, which also comes in a quick-setting form, J-B Kwik. Besides these, they sell sealant products, and specialized use cold-weld products such as WaterWeld.
J-B Weld
J-B Weld is the J-B Weld company's flagship product, invented by Sam Bonham in his machine shop in the mid 1960s. It is a "harder than steel" epoxy, according to the J-B Weld company.
As with all epoxies, J-B is used by mixing an epoxy resin (called "epoxy steel resin" or "steel" in the case of J-B Weld) with an epoxy hardener, and then allowing the substance to set and cure for a given time. J-B Weld stays pliable for about 30 minutes after the initial mixing. It will set in four to six hours. The substance will be fully cured in 15-24 hours.
J-B Weld is a highly durable epoxy, water-proof and resistant to a wide variety of harsh chemicals, including acids and petrolium; as well as to shock, vibration, and extreme temperatures and temperature fluctuation. It can withstand temperatures up to 260ºC (500ºF). It is also non-toxic, and safe to use if common sense is employed. It can be cleaned up easily with soap and water before it sets.
J-B WELD has many of the same applications of metal; it can be drilled, ground, tapped, machined, filled, sanded, and painted. As it initially is a sort of liquid, it can also be moulded like clay. The product was designed for durable, fast, safe, reliable, and permenant repair to engines such as those found in cars.
J-B Kwik
J-B Kwik is the J-B Weld company's equivalent to five minute epoxy. It has the same properties as J-B Weld; except that it remains pliable for two minutes, and sets in four. It will harden completely in four hours.
As with all quick drying epoxies, J-B Kwik is not as strong as its long-setting counterpart; it resists temperatures up to 150ºC (300ºF), and is not quite as hard.
Mirror Weld
The J-B Weld company makes a product specifically for bonding car rear view mirrorss back to the mirror bracket when it breaks. This product dries in about thirty seconds, and sets up in thirty minutes. It is resistant to ultraviolet radiation, vibration, and shock.
Marine Weld
Marine Weld is the J-B Weld company's marine product. The product info page claims that, besides repairing boats, it has been used to repair the shells of sea turtles damaged by boat propellers. Based on the product description, it seems to be a repackages of J-B Kwik.
Water Weld
Water Weld is one of the more interesting J-B Weld products. It is again an epoxy, but a thicker one. It is designed to be used to seal holes in water pipes and other products which contain drinking water. Instead of mixing this with a toothpick on a piece of scrap paper--the traditional way to mix epoxy--the product is squeezed from a single plastic tube containing the two isolated components, and then kneeded together with the fingers, before being used to plug the leak. It "mushrooms" around the hole, then hardens.
Water Weld is pliable for two minutes after mixing, sets in 20 minutes, and hardens fully in a few hours. It has the same properties of J-B Kwik in regards to temperature; and is not as strong as J-B Weld. Also, it's interesting to note that unlike with the rest of the J-B Weld products, Water Weld doesn't need to be applied to a clean or dry surface, and can be applied to a submerged object.
Industro Weld
Industro Weld appears to be repackaged J-B Kwik.
Perm-o-Seal
Perm-o-Seal is a radiator stop leak product; it stops leaks in car radiators. The product information page says that it is from 1914, which implies that the J-B Weld company bought the rights to the product, or otherwise acquired rights to sell. The product is poured into the radiator, and clogs any fissures that form in the radiator body. It remains in circulation, so future leaks are "automatically" plugged.
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