Antique satin professional fabric expert. The lining is also sewn into the hem so if the lining is altered, the fabric will be damaged. It is usually an upholstery-weight fabric and can be made using silk, rayon or acetate in the warp and coarser cotton or manmade fibers in the weft (filling). It is a satin-faced version of shantung or duppioni. The name refers to the fabric's handspun and hand woven appearance. Antique satin was developed in the 1950s by combining acetate (warp threads) and rayon (weft threads) mainly as a decorative fabric used primarily for draperies. Unlike wedding satin with the
A-type granite A-type granite A-type granites are a class of granite. They are characterised by low water and a lack of tectonic fabric. A stands for anorogenic or anhydrous. The granite class was proposed by Loiselle and Wones in 1979. It was in addition to I-, S- and M-type granites. The A-type granites form in an extensional tectonic setting. This could either be far from any orogeny, or after orogeny is completed. Chemical characteristics of A-type granites include high silica, alkalis, zirconium, niobium, gallium, yttrium and cerium. The ratio of gallium to aluminium is high, as is the ratio of iron to