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Rubber to Metal Bonding Adhesive 823 Replace Chemlok 220LF 6125 Chemosil 222 225

Rubber to Metal Bonding Adhesive 823 Replace Chemlok 220LF 6125 Chemosil 222 225

    • Rubber to Metal Bonding Adhesive 823 Replace Chemlok 220LF 6125 Chemosil 222 225
    • Rubber to Metal Bonding Adhesive 823 Replace Chemlok 220LF 6125 Chemosil 222 225
  • Rubber to Metal Bonding Adhesive 823 Replace Chemlok 220LF 6125 Chemosil 222 225

    Product Details:

    Place of Origin: China
    Brand Name: Exceedchem
    Certification: ISO90001:2008
    Model Number: 823

    Payment & Shipping Terms:

    Minimum Order Quantity: 1pallet
    Price: FOB Shanghai USD10-20/kg
    Packaging Details: 3.5kg/drum; 18kg/drum; 180kg/drum
    Delivery Time: within two weeks after confirming the order
    Payment Terms: L/C, T/T
    Supply Ability: 10tons per year
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    Detailed Product Description
    Product Name: Rubber To Metal Bonding Agent Color: Black
    Appearance: Liquid Un No: 1133
    Class: 3 Equivalent Type: Chemlok 220LF/6125, Chemosil 222/225, Thixon 520/526

                             Rubber to Metal Bonding Adhesive 823 Replace Chemlok 220LF 6125 Chemosil 222 225


    1. Application
    823 adhesive is a secondary adhesive designed for use over 815 primer. This adhesive system will bond uncuredelastomers to metals and other rigid substrates during vulcanization of the elastomer. It is formulated withoutheavy metals and composed of a mixture of polymers, organic compounds and mineral fillers dissolved ordispersed in an organic solvent system.
    815 primer helps to ensure environmental resistance of the bonded assembly and adhesion to the substrate.


    2. Characteristics
    1)
    Wide Application Range–when used in combination with 815 primer, it bonds a wide variety of rubberssuch as natural rubber, SBR, neoprene, polyisoprene and polybutadiene to various metals and other rigidsubstrates.
    2)Environmental Friendly–formulated without heavy metals.
    3)Excellent Effect–provides a continuous film appearance.


    3. Physical Properties
    Color: Black Liquid
    Viscosity @25℃, 77 ℉(Brookfield LVT Spindle 2, 30 rpm ): 70-300 cps
    Density:975.0-1000.0kg/m3
    Solid content by weight: 23-27%
    Flash Point(seta) : 25-28℃
    Solvent: Xylene
    Shelf life: 12 months in unopened containers (21-27°C (70-80°F))


    4. Applying 823
    1)
    Surface Preparation: Thoroughly clean metal surfaces prior to primer application. Remove protective oils,cutting oils and greases by solvent degreasing or alkaline cleaning. Remove rust, scale or oxide coatings bysuitable chemical or mechanical cleaning methods.
    2)Chemical Cleaning: Chemical treatments are readily adapted to automated metal treatment and adhesiveapplication lines. Chemical treatments are also used on metal parts that would be distorted by blast cleaningor where tight tolerances must be maintained. Phosphatizing is a commonly used chemical treatment forsteel, while conversion coatings are commonly used for aluminum.
    3)Mechanical Cleaning: Grit blasting is the most widely used method of mechanical cleaning. Howevermachining, grinding or wire brushing can also be used. Use steel grit to blast clean steel, cast iron and otherferrous metals. Use aluminum oxide, sand or other nonferrous grit to blast clean stainless steel, aluminum,brass, zinc and other nonferrous metals.

    For further detailed information on surface preparation of specific substrates, refer to our adhesive application guide. Handle clean metal surfaces with clean gloves to avoid contamination with skin oils.
    4)For most consistent bonding results, apply the 823 adhesive to 815 primed stainless steel, aluminum, brass or other nonferrous substrates. Allow primer to thoroughly dry before applying 823 adhesive. For further details on the use of 815 primer, refer to the 815 primer data sheet.

    5)Mixing: Thoroughly stir 823 adhesive before applying adhesive over primer. Agitate sufficiently during use to keep dispersed solids uniformly suspended.
    --Depending on container, use the following recommended mixing method and duration:
    --1/2 pint Hand stir, paint shaker 5-10 minutes
    --1-5 gallon Hand stir and air powered mixer 15-60 minutes
    --55 gallon Hand crank and air motor agitator 8 hours-new drum; continuous-opened drum
    6)Applying: Apply 823 adhesive by spray, dip, brush or roll coat methods. 823 adhesive is normally used full strength for brush, roll coat and dip application. For spray application, dilute adhesive with xylene or toluene to a Zahn Cup #2 viscosity of 25-28 seconds. Dilution of 25-50% is typical.
    Optimal film thickness for a particular bonded part is dependent on the rubber formulation and the level of adhesion required. Regardless of application method, use the following recommended dry film thicknesses:
    815: 5.1-10.5 micron (0.2-0.4 mil)
    823: 12.7-25.4 micron (0.5-1.0 mil)
    7)Drying/Curing: Allow applied adhesive to air-dry for 30-60 minutes at 15-32°C (60-90°F). If humidity is high, drying times may take longer. Drying time can be shortened by either preheating the metal inserts or oven drying after application. Metal parts may be preheated to a maximum of 60°C (140°F) prior to adhesive application. If dry spray or cobwebbing occurs, lower the metal preheat temperature. For coated parts, moderate drying temperatures should be used, but temperatures as high as 93°C (200°F) can be used for short periods of time. Maximum air flow at minimum temperatures will give the best results.
    8)Dried films of 823 adhesive are non-tacky; therefore, coated parts can be piled into tote pans for subsequent processing. Wear clean gloves when handling cemented parts and cover the tote pans to prevent contamination by dirt, grease, oil, etc. Limit layover times to less than 30 days.
    823 adhesive cures during the rubber vulcanization process.
    9)Cleanup–Clean liquid spills with rags. Remove dried material from surfaces with spark-proof equipment and dilution solvents.


    5. Packing
    3.5kg/drum; 18kg/drum; 180kg/drum

     

    Rubber to Metal Bonding Adhesive 823 Replace Chemlok 220LF 6125 Chemosil 222 225

    Contact Details
    Qingdao Exceed Fine Chemicals Co.,Ltd

    Contact Person: Mr. louis.liu

    Tel: 86-532-82693198

    Fax: 86-532-82693196

    Send your inquiry directly to us (0 / 3000)