What is Duralac used for?
Duralac is indispensable for the sealing of joints between dissimilar metals of all types including magnesium and its alloys. It is also valuable for the protection of metals in contact with wood, synthetic resin compositions, leather, rubber, fabrics etc.
What is Duralac made of?
Duralac is an anti-corrosive jointing compound for use between joints of dissimilar metals. It is in the form of a tough, flexible, yellow paste with low moisture permeability, and contains barium chromate in an inert filler matrix.
What is zinc chromate used for?
Zinc Chromate is a yellow crystalline powder. It is used in rust-inhibiting paints, artists’ colors, as pigment in varnishes and lacquers, and in making linoleum. * Zinc Chromate is on the Hazardous Substance List because it is regulated by OSHA and cited by ACGIH, NIOSH, DEP, IARC, HHAG and EPA.
Who manufactures Duralac?
MANUFACTURER / SUPPLIER: Llewellyn Ryland Ltd.
How do you use a Duralac?
Apply Duralac evenly to the points, joints or faces of the areas in contact, affix and allow to air dry. Duralac will become tacky and form a skin, and will then dry hard to form an insoluble elastic seal to protect the area.
Is zinc chromate toxic?
Toxicity. Recent studies have shown that not only is zinc chromate highly toxic, it is also a carcinogen. Exposure to zinc chromate can cause tissue ulceration and cancer.
How do you remove TEF gel?
Any excess Tef-Gel™ can be removed with Mineral Spirits, (Mineral Turpentine) to leave an airtight barrier of protection.
How do I get rid of Duralac?
Results Removal of standard Duralac from the mild steel substrate was relatively easy and rubbed away with acetone on a cloth whilst, the removal of Duralac Green was extremely difficult even with an acid remover and scraper.
Does zinc coating prevent galvanic corrosion?
Replacing electroplated steel with hot dip galvanized steel At first, the zinc coating of the galvanized steel will prevent the aluminium from being attacked. This is good. Unfortunately, this protection disappears when the steel surface is exposed after the consumption of the zinc.
Can I use stainless steel screws with galvanized?
Under atmospheric conditions of moderate to mild humidity, contact between a galvanized surface and a stainless steel surface is unlikely to cause substantial corrosion. However, if the surfaces are in the presence of salt water or salt water air, it would be best to electrically isolate the two metals.
What is duralac paste made of?
Duralac is a free flowing paste based on a synthetic elastic resin and barium chromate. Duralac conforms to specification DTD 369B, which superseded DTD 369A. PROPERTIES Duralac has low solubility in water and will not erode with time, even when subjected to high pressure from considerable water flow.
What is the composition of the compound driveduralac?
Duralac is an anti-corrosive jointing compound for use between joints of dissimilar metals. It is in the form of a tough, flexible, yellow paste with low moisture permeability, and contains barium chromate in an inert filler matrix. The barium chromate is only very slightly soluble in water,…
What is a duralac joint?
Duralac is an anti-corrosive jointing compound for use between joints of dissimilar metals. It is in the form of a tough, flexible, yellow paste with low moisture permeability, and contains barium chromate in an inert filler matrix.
What is the shelf life of duralac?
Duralac has a two year shelf life from the date of despatch when stored below 20°C. Once a container is opened, the remaining Duralac will form a skin. USES. Duralac is indispensable for the sealing of joints between dissimilar metals of all types, including magnesium and its alloys.