From Wikipedia, the free encyclopedia. Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula (NH 4)Al(SO 4) 2 Â·12H 2 O. It is used in small amounts in a variety of niche applications.The dodecahydrate occurs naturally as the rare mineral tschermigite.rom Wikipedia, the free encyclopedia. Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula (NH 4)Al(SO 4) 2 Â·12H 2 O. It is used in small amounts in a variety of niche applications.
A basic bench press bench alone will cost from 100$ and if you want powerlifting style bench then it may cost you even 700-800$. This cost does not include the cost of benching rod or weights. A basic bench press bench alone will cost from 100$ and if you want powerlifting style bench then it may cost you even 700-800$.
For a better quality, textured surface laminate with rolled edges, you might pay up to $300 for the same length of benchtop. Off the shelf timber benchtops start at about $500 for a 2.4mX600mm length of mid-priced hardwood.At that price, the benchtop will be sanded but not be polished and shipping will be extra.ranite is generally the most expensive of the four, but some types of granite can be about the same cost as better quality engineered stone benchtops. If you're doing a DIY installation, you may be able to put together a flatpack kitchen and even hang the overhead cabinets.