if it looks like silicon, it probably is. But don't use the cheap stuff from B&Q. Use the dogs b*ll*cks from Screwfix https://www.screwfix.com/p/evo-stik-the-dogs-b-ll-cks-adhesive-sealant-clear-290ml/991fj that'll do the job. make sure you Wipe contact surfaces with solvent first. BTW, I'm a retired appliance engineer & that's what I would use. Good luck. 👍
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