单词	hardener
释义	hardener noun hard·​en·​er ˈhärd-nər  ˈhär-dᵊn-ər : one that hardens especially : a substance added (as to a paint or varnish) to harden the film Example Sentences Recent Examples on the Web Niche, for example, uses a resin-hardener called Recyclamine that allows skis and snowboards to be fully recycled. Tracy Ross, Outside Online, 5 Mar. 2021 Mix one part resin with one part hardener in a plastic cup. Sarah Martens, Better Homes & Gardens, 30 Nov. 2021 After the molds have dried for 4 hours, mix a second batch of resin and hardener using the same method as above. Sarah Martens, Better Homes & Gardens, 30 Nov. 2021 The kit should include one bottle of resin and one bottle of hardener. Sarah Martens, Better Homes & Gardens, 30 Nov. 2021 After the molds have dried for 4 hours, mix a second batch of resin and hardener and pour it over the flowers until the mold is almost all the way filled. Emily Vanschmus, Better Homes & Gardens, 22 Apr. 2021 Start with a two-part clear resin kit ($18, Michaels) that includes one bottle of resin and one bottle of hardener. Emily Vanschmus, Better Homes & Gardens, 22 Apr. 2021 Pour one part resin in one cup, one part hardener in another cup. Emily Vanschmus, Better Homes & Gardens, 14 Apr. 2021 Formaldehyde This substance is used in nail polish and nail hardener. Dina Fine Maron, Scientific American, 12 May 2015 See More Word History First Known Use 1598, in the meaning defined above
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