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White Sikkaflex 521 UV, Grade Standard: Industrial White Sikkaflex 521 UV, Grade Standard: Industrial
White Sikkaflex 521 UV, Grade Standard: Industrial
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White Sikkaflex 521 UV, Grade Standard: Industrial

Rs 540/Unit Get Latest Price
Color White
Type Silicone
Main Raw Material Hybrid
Surface Of Application Industrial
Grade Standard Industrial Grade
Usage/Application Industrial
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Lube Adhesive & Engineering Co.

Ghodasar, Ahmedabad, Gujarat
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Product Specification

Color White
Type Silicone
Main Raw Material Hybrid
Surface Of Application Industrial
Grade Standard Industrial Grade
Usage/Application Industrial
Brand SIKAFLEX
Packaging Size 310 ML AND 600 ML
Minimum Order Quantity 20 Unit

Product Description

Sikaflex®-521 UV Excellent adherent, weathering resistant sealant Technical Product Data Chemical base Silane Terminated Polymer Color (CQP1 001-1) White, grey, black Cure mechanism Moisture-curing Density (uncured) (CQP 006-4) depending on color 1.4 kg/l approx. Non-sag properties (CQP 061-1) Good Application temperature ambient 5 - 40°C (40 - 105°F) Tack free time2 (CQP 019-1) 30 min. approx. Curing speed (CQP 049-1) (see diagram) Shrinkage (CQP 014-1) 2% approx. Shore A-hardness (CQP 023-1 / ISO 868) 40 approx. Tensile strength (CQP 036-1 / ISO 37) 1.8 N/mm2 approx. Elongation at break (CQP 036-1 / ISO 37) 400% approx. Tear propagation resistance (CQP 045-1 / ISO 34) 5.5 N/mm approx. Glass transition temperature (CQP 509-1 / ISO 4663) -50°C (-60°F) approx. Volume resistivity (CQP 079-2 / ASTM D 257-99) 1010 Ω cm approx. Service Temperature (CQP 513-1) Short Term 4 hours 1 hour -40 - 90°C° (-40 - 195°F) 140°C (285°F) 150°C (300°F) Shelf life (storage below 25°C) (CQP 016-1) cartridge / unipack pail / drum 12 months 9 months 1) CQP = Corporate Quality Procedures 2) 23°C (73°F) / 50% r.h. Description Sikaflex® -521 UV is a onecomponent PUR-Hybrid sealant based on the Sika Silane Terminated Polymer (STP) technology. The product cures on exposure to atmospheric humidity to form a durable elastomer. Sikaflex® -521 UV is manufactured in accordance with ISO 9001 / 14001 quality assurance system and with the responsible care program. Product Benefits - Ageing and weathering resistant - Bonds well to a wide variety of substrates without the need for special pre-treatment - Elastic - Can be overpainted - Can be sanded - Low odor - Non-corrosive - High electrical resistance - Isocyanate- and solvent-free - Silicone- and PVC-free Areas of Application Sikaflex® -521 UV adheres well to a wide variety of substrates and is suitable for elastic sealing and bonding. Suitable substrate materials include timber, metals, metal primers and paint coatings (2-part systems), ceramic materials and plastics. Seek manufacturer’s advice before using on transparent materials that are prone to stress cracking. This product is suitable for professional experienced users only. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility
Cure Mechanism Sikaflex® -521 UV cures by reaction with atmospheric moisture. At low temperatures the water content of the air is generally lower and the curing reaction proceeds somewhat slower (see diagram 1). If Sikaflex® -521 UV is used in combination with a PUR adhesive, the latter must be fully cured before seam sealing with Sikaflex® - 521 UV. Time(days) 0 8 10 Thickness of cure (mm) Diagram 1: Curing speed Sikaflex® -521 UV Chemical Resistance Sikaflex® -521 UV is resistant to fresh water, seawater and proprietary aqueous cleaning agents; temporarily resistant to fuels, mineral oils, vegetable and animal fats and oils; not resistant to organic acids, concentrated mineral acids, caustic solutions or solvents. The above information is offered for general guidance only. Advice on specific applications will be given on request. Method of Application Surface preparation The surfaces must be clean, dry and free from grease, oil, and dust. The adhesion of the sealant can be improved by wiping the joint faces with Sika® Aktivator-205 or possibly applying the appropriate Sika® Primer. Directions for the preparation and treatment of different substrates are given in the appropriate Sika Pre-treatment Chart. Advice on specific applications is available from the Technical Department of Sika Industry. Application Cut off the tip of the nozzle to give desired sealant bead geometry. For satisfactory results the sealant must be applied with a hand-operated cartridge gun, piston type compressed-air gun or pump operated bulk dispensing equipment.

Additional Information

Delivery Time within 2 days

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White Sikkaflex 521 UV, Grade Standard: Industrial
White Sikkaflex 521 UV, Grade Standard: Industrial

Company Details


About the Company

Year of Establishment2015
Legal Status of FirmSole Proprietorship (Individual)
Nature of BusinessWholesale Supplier
Number of EmployeesUpto 10 People
Annual TurnoverRs. 1 - 2 Crore
IndiaMART Member SinceJan 2017

Incorporated in the year 2015 at Ahmedabad (Gujarat, India) we “Lube Adhesive & Engineering Co.” are engaged in wholesale Supplying of premium quality range of Industrial Adhesive Products such as Flange Sealant Adhesive,Liquid Gasket, Bearing Retainer Adhesive, Thread Locking Adhesive, Conformal Coating Adhesive, Thread Sealing Adhesive, Adhesive Dispenser, Electronics Parts Cleaner,Epoxy Adhesive, UV Adhesive, Moly Assembly Paste, Silicone Sealants, Acrylic Sealant, Nails Wet Grab, Smart Straw Aerosol, Cyanoacrylate Adhesive, Polyurethane Adhesives, Rubber Adhesive, Penetrating Oil, Putties, Solvent Cement, Instant Adhesive, White Glue and much more.
With the support of our vendors, we are able to provide these products in diverse specifications within stipulated time period. These products are widely demanded by for their long shelf life and high effectiveness. Under the guidance of “Mr. Vilesh Mistry” (Proprietor), we have been able to meet varied requirements of patrons in a prompt manner.

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