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Catalog excerpts
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PERMABOND® PT321 Polyurethane Adhesive Technical Datasheet Features & Benefits Adhesion to a wide variety of substrates Cures at room temperature Easy 1:1 mix ratio Good resistance to impact and vibration Thixotropic, non-slump rheology Description PERMABOND® PT321 is a 2-part, room temperature curing polyurethane adhesive. It is ideal for use on a wide variety of substrate materials including metals, plastics and composites. FOR INDUSTRIAL USE ONLY Physical Properties of Uncured Adhesive Typical Performance of Cured Adhesive Shear strength* (ISO4587) Zinc: 6-8 MPa (900 -1200 psi) Steel: 18-25 MPa (2600 -3600 psi) Carbon fibre: 6-8 MPa (900 -1200 psi) Hardness (ISO868) Coefficient of thermal expansion (ASTM D696) *Strength results will vary depending on the level of surface preparation and gap. Chemical composition Viscosity @ 25°C Specific Gravity % Strength Retention Typical Curing Properties Ratio of use Handling time (steel) ISO4587 (0.3 N/mm² shear strength is achieved) Full cure Temperature (°C) “Hot strength” shear strength tests performed on mild steel. Product fully cured at room temperature and conditioned to pull temperature for 30 minutes before testing. PT321 can withstand higher temperatures for brief periods providing the joint is not unduly stressed. The minimum temperature the cured adhesive can be exposed to is -40°C (-40°F) depending on the materials being bonded. The information given and the recommendations made herein are based on our research and are believed to be accurate but no guarantee of their accuracy is made. In every case we urge and recommend that purchasers before using any product in full-scale production make their own tests to determine to their own satisfaction whether the product is of acceptable quality and is suitable for their particular purpose under their own operating conditions. THE PRODUCTS DISCLOSED HEREIN ARE SOLD WITHOUT ANY WARRANTY AS TO MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY OTHER WARRANTY, EXPRESS OR IMPLIED. No representative of ours has any authority to waive or change the foregoing provisions but, subject to such provisions, our engineers are available to assist purchasers in adapting our products to their needs and to the circumstances prevailing in their business. Nothing contained herein shall be construed to imply the non-existence of any relevant patents or to constitute a permission, inducement or recommendation to practice any invention covered by any patent, without authority from the owner of this patent. We also expect purchasers to use our products in accordance with the guiding principles of the Chemical Manufacturers Association’s Responsible Care® program. FOR PROFESSIONAL OR INDUSTRIAL USE ONLY. KEEP OUT OF REACH OF CHILD
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Additional Information Other Products Available This product is not recommended for use in contact with strong oxidizing materials. This product may affect some thermoplastics and users must check compatibility of the product with such substrates. Information regarding the safe handling of this material may be obtained from the Safety Data Sheet. Users are reminded that all materials, whether innocuous or not, should be handled in accordance with the principles of good industrial hygiene. Anaerobics Thread lockers ◼ Thread sealants Gasket makers ◼ Sealants / retainers Cyanoacrylates ◼...
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