• Description for 3M EZ250030 Scotch-Weld Polyurethane Reactive (PUR) Easy 250 Adhesive

    100% solid, warm temperature applied, moisture curing urethanes.

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    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate Polyacrylic, Aluminum, Glass, Metal, wide variety of plastics, Polycarbonate, PVC, wide variety of wood, ABS, Maple
    Manufacturer 3M
    Chemistry Urethane
    Cure Method Moisture
    Viscosity (cPs) 13,000
    Color Off-White, White
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

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Set Time Test Methods
Set Time Test Method
fast The minimum amount of time required between when the bond is made and when it will support a 5 psi tensile load
0.50 min Open times and set times are based on a room temperature environment. High environmental temperatures lengthen open times and set times while lower temperatures will shorten open times and set times.
Viscosity Test Methods
Viscosity Test Method Temperature
13,000 cPs Measured on Brookfield viscometer with Thermosel using spindle #27. 121°C
Work / Pot Time Test Methods
Work / Pot Time Test Method
2.00 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
2,100 psi Overlap Shear Strength Polycarbonate 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 substrates were approximately: Maple, .375", plastics .125"., The separation rate of the testing jaws was 2" per minute., tested @ 73°F (23°C)
1,330 psi Overlap Shear Strength Polyacrylic 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 substrates were approximately: Maple, .375", plastics .125"., The separation rate of the testing jaws was 2" per minute., tested @ 73°F (23°C), Substrate failure
1,350 psi Overlap Shear Strength ABS 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 substrates were approximately: Maple, .375", plastics .125"., The separation rate of the testing jaws was 2" per minute., tested @ 73°F (23°C), Substrate failure
1,805 psi Overlap Shear Strength PVC 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 substrates were approximately: Maple, .375", plastics .125"., The separation rate of the testing jaws was 2" per minute., tested @ 73°F (23°C)
1,540 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 substrates were approximately: Maple, .375", plastics .125"., The separation rate of the testing jaws was 2" per minute., tested @ 73°F (23°C)
540 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 substrates were approximately: Maple, .375", plastics .125"., The separation rate of the testing jaws was 2" per minute., tested @ 180°F (82°C)
310 psi Overlap Shear Strength PVC 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 substrates were approximately: Maple, .375", plastics .125"., The separation rate of the testing jaws was 2" per minute., tested @ 180°F (82°C)
Tensile Strength Test Methods
Tensile Strength Cure Time Cure Temperature Cure Humidity Test Method
3,900 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).
Peel Strength Test Methods
Peel Strength Type Substrate Test Temperature Test Method
95 piw 180° Peel Strength Polycarbonate 23°C 180° peel strengths were measured on 1" x 8" pieces of flexible cotton duck (canvas) bonded to rigid 1" x 4" substrates. The rigid substrates were approximately .125" thick and the separation rate of the testing jaws was 2" per minute. All tests were conducted at 73°F (23°C)., Cotton duck failed during testing
75 piw 180° Peel Strength Polyacrylic 23°C 180° peel strengths were measured on 1" x 8" pieces of flexible cotton duck (canvas) bonded to rigid 1" x 4" substrates. The rigid substrates were approximately .125" thick and the separation rate of the testing jaws was 2" per minute. All tests were conducted at 73°F (23°C)., Cotton duck failed during testing
83 piw 180° Peel Strength ABS 23°C 180° peel strengths were measured on 1" x 8" pieces of flexible cotton duck (canvas) bonded to rigid 1" x 4" substrates. The rigid substrates were approximately .125" thick and the separation rate of the testing jaws was 2" per minute. All tests were conducted at 73°F (23°C).,Cotton duck failed during testing
100 piw 180° Peel Strength PVC 23°C 180° peel strengths were measured on 1" x 8" pieces of flexible cotton duck (canvas) bonded to rigid 1" x 4" substrates. The rigid substrates were approximately .125" thick and the separation rate of the testing jaws was 2" per minute. All tests were conducted at 73°F (23°C)., Cotton duck failed during testing
General Bond Strength Test Methods
General Bond Strength Cure Time Cure Temperature Cure Humidity Substrate Test Time Test Temperature Test Method
Rapid
325 psi 10,080 min 25°C 50 % PVC 10 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
600 psi 10,080 min 25°C 50 % PVC 60 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
1,900 psi 10,080 min 25°C 50 % PVC 1,440 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
1,775 psi 10,080 min 25°C 50 % PVC 4,320 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
1,805 psi 10,080 min 25°C 50 % PVC 10,080 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
450 psi 10,080 min 25°C 50 % Maple 10 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
1,295 psi 10,080 min 25°C 50 % Maple 60 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
1,240 psi 10,080 min 25°C 50 % Maple 1,440 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
1,155 psi 10,080 min 25°C 50 % Maple 4,320 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
1,500 psi 10,080 min 25°C 50 % Maple 10,080 min 23°C PVC and maple Overlap Shear Strength (psi) tested @ 73°F (23°C) at various times after bonding. The substrates were conditioned for 7 days at 77°F (25°C)/50% RH prior to bonding.
Elongation Test Methods
Elongation Test Method
725 % ASTM D638, Die C, measured on .011" - .012" thick films cured for a minimum 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
50 Measured on .090" - .110" thick bars.