3M SI1500 Datasheet 3M SI1500

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  • Description for 3M SI1500

    A surface insensitive cyanoacrylate that has high viscosity and has excellent gap filling capabilities.

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    Chemical Resistance Excellent, Chemical Resistance: Excelent Solvent resistance, Most oils
    Application Type Bond, Adhesive: Instant Adhesives
    1 Part or 2 Part 1-Part
    Material Form Liquid
    Substrate Fabric, Paper, Low surface energy plastics, Polypropylene, Cork, Wood, Porous substrates, Polyethylene, Low surface energy plastics, Cardboard
    Manufacturer 3M
    Chemistry Cyanoacrylate, Ethyl Hybrid
    Cure Method Moisture
    Cure Time (min) 1,440
    Viscosity (cPs) High, 1,275 to 1,650, 1,200 to 1,650
    Color Clear
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -54

  • Technical Data for 3M SI1500

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    Overview
    • Chemical Resistance
      • Chemical Resistance - Excellent, Most oils
      • Chemical Resistance : Relative Solvent Resistance - Excelent Solvent resistance
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Liquid
    • Substrate
      • Porous Substrates
      • Low Surface Energy - Low surface energy plastics
      • Plastic - Low surface energy plastics
      • Polypropylene
      • Polyethylene (LDPE, HDPE) - Polyethylene
      • Wood - Cork
      • Fabric
      • Paper - Cardboard
      • Other - Rough substrates, Contaminated substrates, Acidic substrates, Veneer, Leather
    • Industry
      • Other - Excellent gap filling capabilities
    • Chemistry
    • Application Method
      • Other - Hand applied
    • Cure Method
      • Moisture / Condensation Cure - Moisture
    • Color
      • Clear / Transparent - Clear
    Specifications
    Cure Specs
    Cure Time (min) 1,440
    Viscosity (cPs) High, 1,275 to 1,650, 1,200 to 1,650 Test Method
    Fixture or Handling Strength Time (min) 0.08 to 1.00, 0.25 to 0.40 Test Method
    Bond Strength
    Shear Strength (psi) 1,694, 2,311, 1,766, 1,005, 667, 1,053, 283, 763, 104 Test Method
    Tensile Strength (psi) 3,000 Test Method
    Material Resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -54
    Other Properties
    Specific Gravity 1.08 (g/ml) Test Method
    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™ Surface Insensitive 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 Temperature (°F) 61 to 81, 39
    Shelf Life Type From the date of Shipment
    Shelf Life (mon) 12

  • Best Practices for 3M SI1500

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    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.

      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

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

      2. An 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).

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

      4. 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

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

      2. After curing, 3M™ Scotch-Weld™ Surface Insensitive Instant Adhesive bonds are suitable for use up to about 82°C (180°F).

      3. 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 SI1500

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    Spec Engine® Results

    • PermaBond
      268(PermaBond)

      Faster set times and improved gap-filling capability compared to conventional Cyanoacrylate.

    • PermaBond
      108(PermaBond)

      An intermediate viscosity cyanoacrylate that is used to bond through intermediate gaps. It is fast setting and suitable for use on plastics, rubber and metals.

    • PermaBond
      795(PermaBond)

      Surface insensitive – cures rapidly on most surfaces, wide range of viscosities, fast setting, rapid cure.

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Test Method
0.08 to 1.00 min
0.25 to 0.40 min On EPDM. Time to handling is substrate dependent.
Viscosity Test Methods
Viscosity Test Method
High
1,275 to 1,650 cPs Brookfield LVF, Spindle 3 @ 30 rpm
1,200 to 1,650 cPs Brookfield viscosity, Spindle TC @ 2.5 rpm
Tensile Strength Test Methods
Tensile Strength Test Method
3,000 psi ISO 6922
Shear Strength Test Methods
Shear Strength Type Substrate Test Method
1,694 psi Overlap Shear Strength Steel ASTM D-1002, Grit blasted, Cured
2,311 psi Overlap Shear Strength Stainless Steel ASTM D-1002, Grit blasted, Cured
1,766 psi Overlap Shear Strength Aluminum ASTM D-1002, Grit blasted, Cured
1,005 psi Overlap Shear Strength ABS ASTM D-1002, Substrate failure, Cured
667 psi Overlap Shear Strength Polycarbonate ASTM D-1002, Substrate failure, Cured
1,053 psi Overlap Shear Strength PVC ASTM D-1002, Substrate failure, Cured
283 psi Overlap Shear Strength Nylon ASTM D-1002, Cured
763 psi Overlap Shear Strength Polypropylene ASTM D-1002, Primed with AC77, Substrate failure, Cured
104 psi Overlap Shear Strength Silicone Elastomer ASTM D-1002, Primed with AC79, Substrate failure, Cured
Specific Gravity Test Methods
Specific Gravity Test Method
1.08 (g/ml) Uncured