• Description for 3M EZ250120 Scotch-Weld Polyurethane Reactive (PUR) Easy 250 Adhesive

    One component, Medium setting, low viscosity ideal for bonding wood and producing thin glue lines.

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate select plastics, Wood, maple
    Manufacturer 3M
    Chemistry Urethane
    Cure Method Moisture
    Viscosity (cPs) low, 3,000
    Color Off-White, White
    Density (g/cm³) 8.9 (Lbs/Gallon)
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

    *See Terms of Use Below

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Set Time Test Methods
Set Time Test Method
medium
2.00 min The minimum amount of time required between when the bond is made and when it will support a 5 psi tensile load
Viscosity Test Methods
Viscosity Test Method Temperature
low
3,000 cPs Measured on Brookfield viscometer with Thermosel using spindle #27. 121°C
Work / Pot Time Test Methods
Work / Pot Time Test Method
4.00 min The bonding range of a 1/8" bead of molten adhesive on a non-metallic substrate
Shear Strength Test Methods
Shear Strength Type Substrate Test Temperature Test Method
1,950 psi Overlap Shear Strength Maple 23°C Overlap shear (OLS) strengths were measured on 1" wide 1/2" overlap specimens. These bonds were made individually using 1" x 4" sample coupons. The thickness of the bond line was .003-.006". The thickness of the Maple, .375". The separation rate of the testing jaws was 2" per minute
620 psi Overlap Shear Strength Maple 82°C Overlap shear (OLS) strengths were measured on 1" wide 1/2" overlap specimens. These bonds were made individually using 1" x 4" sample coupons. The thickness of the bond line was .003-.006". The thickness of the Maple, .375". The separation rate of the testing jaws was 2" per minute
Tensile Strength Test Methods
Tensile Strength Cure Time Cure Temperature Cure Humidity Test Method
4,000 psi 10,080 min 25°C 1 % ASTM D638, Die C, measured on .011" - .012" thick films cured for a minmum of 7 days at 77°F (25°C)/50% relative humidity (RH), @ Break(2).
General Bond Strength Test Methods
General Bond Strength Cure Time Cure Temperature Cure Humidity Substrate Test Time Test Temperature Test Method
Rapid
1,105 psi 10,080 min 25°C 50 % Maple 10 min 23°C Maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The Maple was conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding
1,805 psi 10,080 min 25°C 50 % Maple 60 min 23°C Maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The Maple was conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding
1,915 psi 10,080 min 25°C 50 % Maple 1,440 min 23°C Maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The Maple was conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding
1,975 psi 10,080 min 25°C 50 % Maple 4,320 min 23°C Maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The Maple was conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding
1,950 psi 10,080 min 25°C 50 % Maple 10,080 min 23°C Maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The Maple was conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding
Elongation Test Methods
Elongation Test Method
625 % ASTM D638, Die C, measured on .011" - .012" thick films cured for a minmum of 7 days at 77°F (25°C)/50% relative humidity (RH)., at Break
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
60 Measured on .090" - .110" thick bars