Catalin is Cast Phenolic But Every Cast Phenolic is not Catalin
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Raschig is well know name in the world of Chemicals, Its no need more introduction because Catalin is invented by Raschig.
One of Asia's leading and fastest growing quality conscious Manufacturers of wide variety of German Quality Catalin Rods and Faturan Blocks. The company's forte lies in providing quality at economical prices, with the use of modern facilities and skilled manpower.We are one biggest Manufacturers of genuine German Quality Catalin & Faturan Rods and Blocks in variety of colors and sizes.
Our cast German Quality Catalin has the same chemical, physical and optical properties as we use before in Past. We are using our original prossing methods, same colorants, original casting and molding methods, as we used in Past. We specialize in wholesale only in manufacturing German Quality Catalin & Faturan Rods and Blocks .
Catalin is a brand name for a thermosetting plastic popular in the 1930s. Chemically, it's a phenol formaldehyde resin. Catalin is a cast bakelite product, with a different manufacturing process (two-stage process) than other types of bakelite resins (without using fillers such as sawdust or carbon black). Catalin is transparent, near colorless, rather than opaque, brown, so unlike other bakelite phenolics it can be dyed bright colors or even marbled. This has made Catalin more popular than other types of bakelite. In the 1930-50's it quickly replaced most plastic consumer goods.
Catalin cast bakelite is perhaps the most worldwide recognized plastic used in fashion accessories and fine, expensive jewelry. Catalin has a soapy feel to it and when rubbed to produce heat, it is “possible” to be aware of a slight odor of formaldehyde – if you don’t know what formaldehyde smells like; it can have a pungent slightly stinging odor. It was, and still is used today to cure (or pickle) human organs for future analysis and in the embalming process since it stops degeneration of cell tissue.
You will note from the above description of catalin that the base product is near colourless. Many items were made with this colourless material which had a milky opaqueness and which slowly de generated on the exposed surfaces becoming a light yellow. If left uncleaned this can lead to a deep yellow or orange colour being displayed and is what we see today as honey or pale yellow. This statement can be proved by scoring an unexposed surface which will leave the opaque milkiness exposed. The original colour can also be exposed through damage (chips etc) or from cutting, often seen when a large rod has been cut to make smaller ones.
It is this staining that can be removed with polishing with a range of cleaners (see article on how to clean bakelite etc)but please be aware that over cleaning can remove this aging process taking the surface back to its original milky clearness.
The intended colours that were produced by this process invariably retain the original milkiness, giving the product the now familiar mottling showing through the colour which is so often used to describe the product. Some sellers, not sure of exactly what they are offering for sale will call the item “catalin phenolic bakelite” and hopefully by using this “reference” document you will have a better idea of what It actually “might” be.