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Silicone rubber is a reliable solution (as opposed to rubber and thermoplastic elastomers) for migration or interaction problems between the main active ingredients. Its chemical stability prevents it from affecting any substrate it is in contact with (skin, water, blood, active ingredients, etc.).
Worldwide, more than 53 million tons of fillers (with a net worth of ca. US$18 billion) are used every year in the production of paper, plastics, rubber, paints, coatings, adhesives, and sealants. Fillers are produced by more than 700 companies, rank among the world's major raw materials and are contained in a variety of goods for daily ...
EPDM rubber (ethylene propylene diene monomer rubber) [1] [2] [3] is a type of synthetic rubber that is used in many applications. EPDM is an M-Class rubber under ASTM standard D-1418; the M class comprises elastomers with a saturated polyethylene chain (the M deriving from the more correct term polymethylene).
Synthetic rubber, like most other polymers, is made from various petroleum-based monomers. Some synthetic rubbers are less sensitive to ozone cracking than natural rubber. Natural rubber is sensitive because of the double bonds in its chain structure, but some synthetic rubbers do not possess these bonds and so are more resistant to ozone cracking.
A laboratory rubber stopper or a rubber bung or a rubber cork is mainly used in chemical laboratories in combination with flasks and test tube and also for fermentation in winery. [ 1 ] [ 2 ] [ 3 ] Generally, in a laboratory , the sizes of rubber stoppers can be varied up to approximately 16 sizes and each of it is specific to certain type of ...
Nitrile rubber, also known as nitrile butadiene rubber, NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber derived from acrylonitrile (ACN) and butadiene. [1] Trade names include Perbunan, Nipol, Krynac and Europrene. This rubber is unusual in being resistant to oil, fuel, and other chemicals.