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Anaerobic adhesives and sealants remain liquid in the presence of oxygen. When isolated from oxygen, for example, an anaerobic sealant or adhesive is sealed between a nut and a bolt on a threaded assembly. It rapidly cross-links or hardens to form a tough “cured” polymer that will bond to many metals. Typical applications for this product are in sealing of threaded connections against water, oil, gases, and most other materials transported through pipes.
Technical Tip TT-123 demonstrates how CAB can alter the high and low shear of a typical part A anaerobic pipe sealant formulation with no separation.
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Physical properties comparison |
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Product Group |
Benefits |
Compare |
| Eastman™ Cellulose Acetate Butyrate |
Provide excellent color and color retention, toughness, flexibility, flow control, and good weather resistance. |
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| Eastman™ Cellulose Acetate Propionate |
CAP properties are intermediate between CA and CAB. They resemble CA in many performance properties and are similar to CAB in solubility and compatibility. |
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| Eastman™ Cellulose Acetate |
Require stronger solvents, but as a result offer excellent chemical resistance. They have high glass transition temperatures and produce tough and hard films. |
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