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Description for Bostik Heavy Duty Premium Polyurethane Construction Adhesive
A one-component premium grade polyurethane, that is specifically formulated for subfloor and floor joist assemblies, fromsite erected structures to factory constructed modular and mobile homes.<br/>Application Type Bond 1 Part or 2 Part 1-Part Material Form Paste Substrate Plywood, Foam, OSB, Engineered flooring, Wet lumber, Frozen lumber, Treated lumber Industry Floor joist assemblies, Subfloor assemblies, Reduce movement in subfloor, Reduce squeak in subfloor Manufacturer Bostik Chemistry Low solvent, Polyurethane Cure Method Moisture Cure Temperature (°C) 25 Odor Details Minimal Cure Time (min) >20,160, Quick Viscosity (cPs) Non-flow Color Natural Oxidation Resistance Good Oxidation Resistance Extrusion Rate (g/sec) 11,100 Density (g/cm³) 15 (lbs/gal) Key Specifications ASTM (American Standard Test Method): ASTM D3498; ASTM C557 -
Technical Data for Bostik Heavy Duty Premium Polyurethane Construction Adhesive
Overview
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Application Type
- Adhesive - Bond
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1 Part or 2 Part
- 1-Part
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Material Form
- Paste
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Substrate
- Foam
- Wood - Plywood, OSB, Engineered flooring, Wet lumber, Frozen lumber, Treated lumber
- Other - Granite, Marble
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Industry
- Construction - Mobile homes, Site erected structures to factory constructed modular, Tile board components, Installation of countertops
- Flooring - Subfloor assemblies, Floor joist assemblies, Reduce movement in subfloor, Reduce squeak in subfloor
- Other - Furring Strips, Stair treads, Furring strips, Used in assembly of dryscape designs, Installation of back splashes
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Chemistry
- Latex - Low solvent
- Polyurethane
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Cure Method
- Moisture / Condensation Cure - Moisture
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Color
- Other - Natural
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Key Specifications
- ASTM (American Standard Test Method) : C557 - ASTM D3498; ASTM C557
- ASTM (American Standard Test Method) : D3498 - ASTM D3498; ASTM C557
Specifications
Cure Specs
Cure Temperature (°C) 25 Test Method Odor Details Minimal Cure Time (min) >20,160, Quick Test Method Viscosity (cPs) Non-flow Linear Shrinkage (%) Negligible Test Method Tack Free Time (min) 60 Test Method Open Time (min) Long Bond Strength
Shear Strength (psi) 440 Test Method Tensile Strength (psi) 430 Test Method Material Resistance
Oxidation Resistance Good Oxidation Resistance Other Properties
Extrusion Rate (g/sec) 11,100 Outgassing Negligible Test Method Flash Point (°F) 134.6 Test Method % Solids (%) 93 to 97 Test Method Density (g/cm³) 15 (lbs/gal) Test Method Business Information
Shelf Life Details Shelf life of Heavy Duty Construction Adhesive must be checked prior to using the product, do not use nine months beyond the date of anufacturing found on the packaging. Adhesive past its shelf life may not perform or adhere as described by this data sheet. High temperature and high relative humidity may reduce significantly the shelf life of the adhesive., The shelf life of Heavy Duty is one year from date of manufacture. Shelf life must be checked prior to using the product. Adhesive past its shelf life may not perform or adhere as described by this data sheet. High temperature and high relative humidity may reduce significantly the shelf life of the polyurethane adhesive. Shelf Life Type Shelf Life Type, From date of manufacture Shelf Life (mon) 9, 12 Not Good For
Don't Use With Porous -
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Best Practices for Bostik Heavy Duty Premium Polyurethane Construction Adhesive
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Surface Preparation
Surface must be clean, dry and smooth
free of voids, projections, loose materials, oil, grease, sealers, curing compounds, waxes and all other surface contaminants that may inhibit proper bond.
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Application
Surfaces must be clean, dry and free of contamination. Apply sufficient adhesive for the specific application. Re-position work prior to adhesive skinning, usually in 45 minutes. It is the responsibility of the end user to assess fitness for use.
Heavy Duty is ready to use. Cut nozzle at 45° angle and puncture foil seal inside nozzle. Gun adhesive onto the properly prepared surface, avoiding air entrapment and gaps. Apply positive pressure to assure proper wetting of adhesive sealant to the adjoining building materials.
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Clean-Up
Dry wipe uncured material prior to the adhesive skinning. Cured adhesive is extremely difficult to remove without destruction of the adherend.
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Cure Temperature Test Methods
Cure Temperature | Cure Time Test Method |
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25°C | 50% Relative Humidity |
Cure Time Test Methods
Cure Time | Test Method |
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>20,160 min | 50% Relative Humidity |
Quick | Full cure |
Linear Shrinkage Test Methods
Linear Shrinkage | Test Method |
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Negligible | Bostik Test Method, Uncured |
Tack Free Time Test Methods
Tack Free Time | Test Method |
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60 min | Bostik Test Method, Skin Time, (ambient conditions), Uncured |
Tensile Strength Test Methods
Tensile Strength | Cure Time | Cure Temperature | Cure Humidity | Test Method |
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430 psi | 20,160 min | 25°C | 50 % | ASTM D412, Cured |
Shear Strength Test Methods
Shear Strength | Type | Cure Time | Cure Temperature | Cure Humidity | Test Method |
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440 psi | Lap shear strength | 20,160 min | 25°C | 50 % | ASTM D3498, 100% Cohesive Failure, Cured |
Density Test Methods
Density | Test Method |
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15 (lbs/gal) | ASTM D1475 |
Flash Point Test Methods
Flash Point | Test Method |
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57.0°C | ASTM D3828, Uncured |
Outgassing Test Methods
Outgassing | Test Method |
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Negligible | Bostik Test Method, Cured |
% Solids Test Methods
% Solids | Test Method |
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93 to 97 % | Mathematical Calculation, Uncured |

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