Henkel Lite-Lok 463 Datasheet Henkel Lite-Lok 463

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  • Description for Henkel Lite-Lok 463

    An ultraviolet light curable adhesive designed for potting, sealing, bonding and encapsulation with very fast cure. The cured adhesive is tough and flexible and has excellent impact resistance, good depth of cure and good humidity resistance. Good resistance to thermal cycling without loss of adhesion.

    *See Terms of Use Below

    Brand Bondmaster
    Application Type Adhesive, Encapsulation, Sealing, Adhesive: Instant Adhesives, Potting
    1 Part or 2 Part 1-Part
    Material Form Liquid
    Substrate Acrylic, Aluminum, Glass, Plastic parts, Tinted Polycarbonate, Polyester, Polyurethane, PVC, Steel, Polystyrene, SBR, ABS
    Manufacturer Henkel
    Chemistry Acrylate, Urethane
    Cure Method UV
    Cure Time (min) Very Fast, 0.03 to 0.08
    Viscosity (cPs) 5,500 to 6,500
    Color Clear, Yellow
    Other Resistance Good thermal cycling resistance
    Durability Tough
  • Technical Data for Henkel Lite-Lok 463

    Cure Specs
    Cure Time (min) Very Fast, 0.03 to 0.08
    Viscosity (cPs) 5,500 to 6,500 Test Method
    Bond Strength
    Shear Strength (psi) 450, 200, 260, 280, 260, 95, 200, 270, 380, 340 Test Method
    Impact Strength (psi) Impact strength
    Material Resistance
    Impact Resistance Excellent impact resistance
    Moisture/Humidity Resistance Good
    Other Resistance Good thermal cycling resistance
    Durability Tough
    Shore A Hardness 60
    Flexibility Flexible
    Other Properties
    Specific Gravity 1.070
    Flash Point (°F) >212.0
    % Solids (%) 100
    Business Information
    Shelf Life Details Protect the adhesive from exposure to light, especially UV light. Keep container closed while not in use. This is best done by opening the container for only the minimum time necessary, and opening only under yellow or red light. Any containers used for dispensing the adhesive must be light impenetrable., Store container in the dark at temperatures at or below 27°C (80°F). Do not freeze.
    Shelf Life (mon) 6
  • Best Practices for Henkel Lite-Lok 463

    *See Terms of Use Below

    1. Surface Preparation

      LITE-LOK 463 bonds well to many untreated surfaces. However, adhesion is often improved by surface preparation before bonding. The surface should be free of contamination such as dirt, dust, grease or oil. An alcohol wipe is suitable for cleaning most surfaces. Optimum strength is obtained by abrading the surface followed by a solvent wipe to remove any loose particles. Polyolefins must be corona treated, or flame treated before bonding.

    2. Application

      LITE-LOK 463 is best applied by extruding the product onto the substrate to be sealed or bonded. Sufficient product must be applied to seal all gaps, and completely coat the part to be bonded or sealed. After dispensing onto the part, the product should be cured as soon as possible to prevent any pre-reaction with ambient light.

      LITE-LOK 463 may be applied via a pressure pot, or piston pump dispensing system. All fittings and tubing used in the dispensing system must be opaque to light. If the product is transferred from a large container to a smaller hand held dispensing bottle, that bottle must be light impenetrable.

    3. Curing

      Optimum cure is obtained when LITE-LOK 463 is exposed to UV light in the UV-A spectral range (315-400 nanometers). The time needed for curing is a combination of many factors. Some of these are:

      The thicker the substrate, the longer the exposure time needed for curing.

      The more UV light absorbing that the substrate is, the longer the exposure time needed for curing.

      The lower that the intensity of the UV light source is, the longer the exposure time needed for curing.

      The farther the distance of the product from the UV light source, the longer the exposure time needed for curing.

      Typically, LITE-LOK 463 will cure after a UV light exposure from two to five seconds, when cured at or near the focal point of the light source, and at the required energy levels stated below:

      To achieve complete cure, all of the adhesive must be exposed to the UV light source. LITE-LOK 463 is not designed for use as a thin film <0.004 inch coating. LITE-LOK 463 cures best when cured between two substrates as an adhesive. Excess exposed product may exhibit a slight surface tack.

    4. Clean-Up

      Unreacted material can be cleaned up using acetone. If skin contact occurs, the affected area should be washed thoroughly with soap and water. Eye protection against UV light should be worn whenever the product is being used. Eye contact should be treated by thoroughly washing with water followed by medical attention. Aprons should also be used. Adequate ventilation is necessary to prevent inhalation of vapors.

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Viscosity Test Methods
Viscosity Temperature
5,500 to 6,500 cPs 25°C
Shear Strength Test Methods
Shear Strength Type Substrate Test Temperature Test Method
450 psi Lap shear strength Polycarbonate 25°C
200 psi Lap shear strength Acrylic 25°C Denotes substrate failure with the bondline still intact.
260 psi Lap shear strength Polystyrene 25°C
280 psi Lap shear strength ABS 25°C
260 psi Lap shear strength PVC 25°C
95 psi Lap shear strength SBR 25°C
200 psi Lap shear strength Polyurethane 25°C Denotes substrate failure with the bondline still intact.
270 psi Lap shear strength Glass 25°C
380 psi Lap shear strength Steel 25°C
340 psi Lap shear strength Aluminum 25°C