• Description for 3M SB16-28

    A high viscosity cyanoacrylate that can be used on plastic or rubber parts that do not fit well together. It has excellent gap-filling characteristics and will not wick into unwanted areas.

    *See Terms of Use Below

    Application Type Bond, Adhesive: Instant Adhesives
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate composite, EPDM, porous substrates, polyethylene, in combination with metal, Nylon, Paper, difficult-to-bond plastic, polypropylene, heavily plasticized PVC, rubber parts that do not fit well together, ABS, low surface energy plastics
    Manufacturer 3M
    Chemistry Cyanoacrylate, Ethyl Hybrid
    Cure Method Moisture
    Cure Time (min) 1,440
    Viscosity (cPs) high, 1,275 to 1,650
    Color Clear
    Chemical Resistance Excellent, Most oils
    Relative Solvent Resistance Chemical Resistance: Excelent Solvent resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -54
    Key Specifications CID (United States Government Commercial Item Description): A-A-3097: Type II, Class 3
  • Technical Data for 3M SB16-28

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Liquid
    • Substrate
      • Porous Substrates
      • Metal - in combination with metal
      • Plastic - difficult-to-bond plastic, ABS, low surface energy plastics
      • Polyethylene (LDPE, HDPE) - polyethylene
      • Nylon
      • Polypropylene
      • Polyvinyl chloride (PVC) - heavily plasticized PVC
      • Rubber - rubber parts that do not fit well together
      • EPM/EPDM - EPDM
      • Composites - composite
      • Paper
      • Other - like substrates, Santoprene, Viton, acidic surfaces, leather
    • Industry
      • Other - plastic or rubber parts that do not fit well together
    • Chemistry
    • Application Method
      • Other - Hand applied
    • Cure Method
      • Moisture
    • Color
      • Clear / Transparent - Clear
    • Key Specifications
      • CID (United States Government Commercial Item Description): A-A-3097: Type II, Class 3
    Specifications
    Cure Specs
    Cure Time (min) 1,440
    Viscosity (cPs) high, 1,275 to 1,650 Test Method
    Fixture or Handling Strength Time (min) 0.33 to 1.67
    Bond Strength
    Tensile Strength (psi) 2,900 Test Method
    Material Resistance
    Chemical Resistance Excellent, Most oils
    Relative Solvent Resistance Chemical Resistance: Excelent Solvent resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -54
    Other Properties
    Specific Gravity 1.08 (g/ml)
    Business Information
    Shelf Life Details For short term storage (<30 days), keep adhesive in a cool (60°F to 80°F [16°C to 27°C]), dry place out of direct sunlight. Keep containers tightly covered and free of moisture. Refrigeration (40°F [4°C]) gives optimum long term storage stability.;3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesives can be expected to have a shelf life of one year from the date of shipment from 3M when stored under refrigerated conditions.
    Shelf Life Type From the date of shipment
    Shelf Life (mon) 12
  • Best Practices for 3M SB16-28

    *See Terms of Use Below

    1. Surface Preparation

      For optimum strength structural bonds, paint, oxide films, oils, dust, mold release agents, and all other surface contaminants must be completely removed. However, the amount of surface preparation depends on the required bond strength and the environmental aging resistance desired by the user. Typical quick surface preparation would include wiping with a clean solvent (such as isopropyl alcohol), abrading the surface with a clean fine abrasive, and then wiping again with a clean solvent to remove loose particles.

      Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use.

      Ensure that parts are clean, dry, and free from oil and grease.

      A instant Adhesive Activator may be required if there are bonding gaps or porous substrate surfaces, if substrates are low surface energy plastics (e.g., polyethylene, polypropylene) or if substrates have acidic surfaces (e.g., paper, leather).

    2. Application

      Bond speed is typically very fast so ensure that parts are properly aligned before dispensing.

      Product is normally hand applied from the bottle. Apply sparingly to one surface and press parts firmly together until handling strength is achieved. As a general rule, as little cyanoacrylate as possible should be used. Over application will result in slower cure speed and lower bond strength.

    3. Curing

      Full bond strength will typically be achieved within a 24 hour cure time.

      Low humidity or low temperature conditions will slow down the cure rate

      After curing, 3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesive bonds are suitable for use up to about 180°F (82°C). At 180°F (82°C) the bonds will be approximately 70% of the strength at room temperature and at 212°F (100°C) about 50% of full strength.

      Cyanoacrylate bond resistance to most oils and solvents is excellent. Long term humidity, moisture, or water immersion may affect the strength of a cured cyanoacrylate bond depending on the substrates and the bond gap. Testing is recommended to evaluate the effect

  • Comparable Materials for 3M SB16-28

    *See Terms of Use Below

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Viscosity Test Methods
Viscosity Test Method
high
1,275 to 1,650 cPs Brookfield LVF, Spindle 3 @ 30 rpm.
Tensile Strength Test Methods
Tensile Strength Test Method
2,900 psi ISO 6922 (grit-blasted steel).
;