The membrane that can withstand such force is made of polyester , polysulfone and polyamide and is held within the white steel cylinders .
能够抵挡这股压力的膜是用聚酯、聚砜和聚酰胺作的，并且固着在白色钢桶之内。
His composite membrane consisted of a very thin layer of polyamide , to perform the separation , and a sturdy support beneath it .
他发明的复合薄膜包含一层很薄的聚酰胺，起隔离作用，其下方还包含一个稳固支撑结构。
Nylon ( polyamide ) and dyneema / spectra ( polyethylene ) are two synthetic raw materials with distinct strengths and weaknesses used in the manufacture of slings and quickdraws .
The supermarket says the technology is split into three main areas , and makes use of fabric comprised of 85 per cent polyamide ( a type of nylon ) and 15 per cent elastane ( the generic non-brand name for lycra ) that compresses flabby areas .
