Gland of Zeis Gland of Zeis Glands of Zeis are unilobar sebaceous glands located on the margin of the eyelid. The glands of Zeis service the eyelash. These glands produce an oily substance that is issued through the excretory ducts of the sebaceous lobule into the middle portion of the hair follicle. In the same area of the eyelid, near the base of the eyelashes are apocrine glands called the "glands of Moll". If eyelashes are not kept clean, conditions such as folliculitis may take place, and if the sebaceous gland becomes infected, it can lead to abscesses and styes. The glands of
WKT (sealant) WKT (sealant) WKT is a sealing compound which was developed by Paul Pietzschke, Chemisch-Technische Fabrik, Hamburg, Germany in 1962 specifically to meet the stringent requirements in the yacht and ship building industry. WKT belongs to the silicone group of sealants. WKT is a highly elastic and extremely non-ageing sealant. WKT is a silicone rubber and one of the first fully synthetic sealants for the commercial marine industry. The active ingredient in WKT sealing compound is polydimethylsiloxane. Today WKT is used in countless fields of applications such as the construction and building industry, windows and glazing, interior industry, plant engineering and