WEB EXCLUSIVE: Two new liquid silicone rubber (LSR) grades for fast production of soft yet bite-resistant silicone pacifiers and bottle nipples were recently launched by Germany’s Wacker Chemie (U.S. office in Adrian, Mich.) The Elastosil LR 3040 product line has been extended by grades LR 3040/30 and LR 3040/45 that cure to form elastomers with a Shore A hardnesses of 30 and 45, which are often sought by manufacturers of infant and toddler products.
Cured Elastosil LR 3040 LSR grades reportedly have tear strength significantly higher than that of comparable LSRs. Like all grades in this product line, the new LSRs feature very short cure times.
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