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| Application Type | Bond |
|---|---|
| 1 Part or 2 Part | 1 Part |
| Material Form | Liquid |
| Substrate | Polyacrylic, Wood, Neoprene, many plastics, Polycarbonate, PVC, Rubber, FRP, Maple, ABS, High Impact Polycarbonate |
| Manufacturer | 3M |
| Chemistry | Polyurethane |
| Cure Method | Moisture |
| Cure Temperature (°C) | 25 |
| Viscosity (cPs) | 15,700 |
| Color | Off-white, White |
Apply to clean, dry surfaces. Remove oil, grease and other contaminants by wiping with isopropyl alcohol. For fiber reinforced plastics and other materials that are often contaminated with mold release agents, it is recommended that the surface be solvent wiped, abraded and solvent-wiped.
Plastic: Wipe with isopropyl alcohol soaked cheesecloth. Allow solvent to evaporate before bonding. Note: 3M™Scotch-Weld™Polyurethane Reactive (PUR) Easy Adhesives are not recommended for bonding untreated polyolefins.
Plastic contaminated with mold release: Wipe with isopropyl alcohol soaked cheesecloth, abrade with fine grit abrasive, wipe with isopropyl alcohol soaked cheesecloth. Allow solvent to evaporate before bonding.
FRP, Rubber and Aluminum (uncoated):Wipe with methyl ethyl ketone (MEK) soaked cheesecloth, abrade with fine grit abrasive, wipe with MEK soaked cheesecloth. Allow solvent to evaporate before bonding. Priming may be necessary on aluminum if part will be subjected to hot/humid conditions
Glass: Wipe with MEK-soaked cheesecloth. Allow solvent to evaporate before bonding. Priming may be necessary on glass if subject part will be subjected to hot/humid conditions.
Note: When using solvents, extinguish all ignition sources, including pilot light, and follow the manufacturer’s precautions and directions for use when handling such materials.
After heating to recommended application temperature, apply adequate amount of 3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy Adhesive to one of the substrates to be bonded. Join the substrates within the adhesives specified open time and hold/fixture the bonded part until the adhesive has adequately set.
Do not use to bond metal or glass to itself or each other or cure will not occur due to low moisture vapor transmission of the substrate.
Important: Adhesive heated at application temperature for more than 40 hours should be discarded.
The cure rate will vary depending on air temperature, relative humidity, substrate type and bond line thickness as it is more rapid on wood (moisture rich/porous) than on plastic.
Allow products to solidify. Remove uncured waxy material (usually within the first 20 minutes after application) by scraping with a putty knife or similar tool. For cured material, remove by cutting or sanding. DO not use flame heat to remove adhesive.
All bonds were cured for a minimum period of 7 days at 77°F (25°C)/50% RH before testing. Bonds were prepared using the suggested surface preparation procedure for the particular substrate tested.
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| Set Time | Test Method |
|---|---|
| 0.50 min | The maximum amount of time required between when the bond is made and when it will support a 5 PSI_x00D_ tensile load. |
| Medium |
| Viscosity | Test Method | Temperature |
|---|---|---|
| 15,700 cPs | Measured on Brookfield viscometer with Thermosel using spindle #27. | 77°C |
| Work / Pot Time | Test Method |
|---|---|
| 1.08 min | The bonding range of a 1/8" bead of molten adhesive on a non-metallic surface |
| Shear Strength | Type | Substrate | Test Temperature | Test Method |
|---|---|---|---|---|
| 1,735 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 controlled with .003-.006" diameter glass bead spacers. The thickness of the substrates were: plastics, .125", Maple, .375".All strengths were measured at 73°F (23°C) except where noted. The separation rate of the testing jaws was 2" per minute. |
| 1,265 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 controlled with .003-.006" diameter glass bead spacers. The thickness of the substrates were: plastics, .125", Maple, .375".All strengths were measured at 73°F (23°C) except where noted. The separation rate of the testing jaws was 2" per minute. |
| 1,450 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 controlled with .003-.006" diameter glass bead spacers. The thickness of the substrates were: plastics, .125", Maple, .375".All strengths were measured at 73°F (23°C) except where noted. The separation rate of the testing jaws was 2" per minute. |
| 515 psi | Overlap Shear Strength | High Impact 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 controlled with .003-.006" diameter glass bead spacers. The thickness of the substrates were: plastics, .125", Maple, .375".All strengths were measured at 73°F (23°C) except where noted. The separation rate of the testing jaws was 2" per minute. |
| 2,155 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 controlled with .003-.006" diameter glass bead spacers. The thickness of the substrates were: plastics, .125", Maple, .375".All strengths were measured at 73°F (23°C) except where noted. The separation rate of the testing jaws was 2" per minute. |
| 1,305 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 controlled with .003-.006" diameter glass bead spacers. The thickness of the substrates were: plastics, .125", Maple, .375".All strengths were measured at 73°F (23°C) except where noted. The separation rate of the testing jaws was 2" per minute. |
| 590 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 controlled with .003-.006" diameter glass bead spacers. The thickness of the substrates were: plastics, .125", Maple, .375".All strengths were measured at 73°F (23°C) except where noted. The separation rate of the testing jaws was 2" per minute. |
| 220 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 controlled with .003-.006" diameter glass bead spacers. The thickness of the substrates were: plastics, .125", Maple, .375".All strengths were measured at 73°F (23°C) except where noted. The separation rate of the testing jaws was 2" per minute. |
| Tensile Strength | Cure Time | Cure Temperature | Cure Humidity | Test Method |
|---|---|---|---|---|
| 4,000 psi | 0.00 min | 25°C | 1 % | ASTM D638, Die C, measured on .011" - .017" thick films cured for 7 days at 77°F (25°C)/50% relative humidity., @ Break(2) |
| Peel Strength | Type | Substrate | Test Temperature | Test Method |
|---|---|---|---|---|
| 88 piw | 180° Peel Strength | cotton duct/canvas to PVC | 23°C | 180° peel strengths were measured on 1" x 8" pieces of flexible cotton duct (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 strengths were measured at 73°F (23°C). |
| 85 piw | 180° Peel Strength | cotton duct/canvas to ABS | 23°C | 180° peel strengths were measured on 1" x 8" pieces of flexible cotton duct (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 strengths were measured at 73°F (23°C). |
| 71 piw | 180° Peel Strength | cotton duct/canvas to Polycarbonate | 23°C | 180° peel strengths were measured on 1" x 8" pieces of flexible cotton duct (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 strengths were measured at 73°F (23°C). |
| 76 piw | 180° Peel Strength | cotton duct/canvas to Polyacrylic | 23°C | 180° peel strengths were measured on 1" x 8" pieces of flexible cotton duct (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 strengths were measured at 73°F (23°C). |
| 15 piw | T-Peel Strength | SBR/SBR | 23°C | T-Peel strengths were measured on 1" wide pieces of plasticized vinyl or rubber at 73°F (23°C). The separation rate of the testing jaws was 2" per minute |
| Elongation | Test Method |
|---|---|
| 625 % | ASTM D638, Die C, measured on .011" - .017" thick films cured for 7 days at 77°F (25°C)/50% relative humidity., at Break |
| Shore D Hardness | Shore Hardness Test Method |
|---|---|
| 60 | Measured on .090" - .110" thick samples. |
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