attempted to hide and transport illegal substances. at least one modern smuggler has tried to use this method. [ ] also making use of the storage possibilities of metal buttons, during the world wars , british and u.s. military locket buttons were made, containing miniature working compasses . [ ] materials...
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wax emulsion waxes and fillers g fil : inorganic filler g wax : wax emulsion for base coat auxiliaries g oil s : synthetic solvent soluble pull up oil g oil : natural and synthetic water soluble pull up oil g oil s : mixture of synthetic oil and natural substances g oil s : synthetic solvent soluble...
of the century is the petroleum and petrochemicals industry. it has taken the fundamental knowledge of chemistry and chemical engineering and transformed itself from a simple processing industry for fuel and lubricants to an extremely complex chemical process industry which has branched out into synthetic...
rubbers derived from styrene and hydrocarbon (the version developed by goodyear is called neolite). these materials have good abrasion resistance and good aging stability when protected by additives. in , more than five. million tonnes of sbr were processed worldwide. regarding five hundredth of automotive...
dipute chemical co., ltd china manufacturer, exporter - - no. shangdu road, new eastern district, zhengzhou, china contact supplier rubber hydraulic hose payment:t/t delivery:within days rubber hydraulic hose||rubber hydraulic hose||product description construction: consists of an inner tube of oil synthetic...
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ashok hakoo dec , a composite textile material (also called a composition material or shortened to composite) is a material made from two or more constituent materials with significantly different physical or chemical properties that, when combined, produce... textiles introduction to breathable water-repellent...
leather products were developed from kuraray's initial research into compound ultra-fine fiber, non-woven material, and high performance polymers. these accomplishments led to the eventual, successful duplication of the complex structure of natural leather, and have enabled kuraray to debut unique materials...