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About Structural Adhesives
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Flexible Light-Activated Instant-Bond Adhesives
These adhesives stay pliable for flexible bonds that resist cracking. For easy positioning, they begin to harden only when exposed to light.
1700A257 and 2454N1 fluoresce under UV light for easy inspection.
Use adhesives in syringes with a dispensing gun with plunger (sold separately).
Container | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Size, fl. oz. | Type | Max. Gap Size Filled | Begins to Harden | Reaches Full Strength | Light Intensity Requirements to Reach Full Strength | Cure Type | Consistency (Viscosity) | Elongation | Temp. Range, °F | Color | For Joining | Each | |
Loctite® Adhesives | ||||||||||||||
| 3103 | 0.84 | Syringe | 0.02" | 5 sec. | 90 sec. | 18 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (11,250 cP) | 260% | -65° to 300° | Light Yellow | Glass, Metal, Plastic | 00000000 | 000000 |
| 3106 | 0.84 | Syringe | 0.02" | 5 sec. | 90 sec. | 15 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (5,500 cP) | 250% | -65° to 300° | Light Yellow | Glass, Metal, Plastic, Rubber | 00000000 | 00000 |
| 3106 | 33.8 | Bottle | 0.02" | 5 sec. | 90 sec. | 15 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (5,500 cP) | 250% | -65° to 300° | Light Yellow | Glass, Metal, Plastic, Rubber | 00000000 | 000000 |
| 3201 | 0.84 | Syringe | __ | 5 sec. | 90 sec. | 20 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (3,750 cP) | 265% | -65° to 300° | Light Yellow | Metal, Plastic | 0000000 | 00000 |
| 3211 | 0.84 | Syringe | __ | 5 sec. | 90 sec. | 18 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (11,250 cP) | 260% | -65° to 300° | Light Yellow | Glass, Metal, Plastic | 0000000 | 00000 |
| 3321 | 0.84 | Syringe | 0.02" | 5 sec. | 90 sec. | 15 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (5,500 cP) | 250% | -65° to 300° | Light Yellow | Glass, Metal, Plastic, Rubber | 00000000 | 00000 |
| 3526 | 0.84 | Syringe | __ | 5 sec. | 30 sec. | 5 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (17,500 cP) | 185% | -65° to 300° | Light Yellow | Metal | 00000000 | 00000 |
| 3936 | 0.84 | Syringe | __ | 5 sec. | 30 sec. | 15 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (11,000 cP) | 300% | -65° to 300° | White | Metal | 00000000 | 00000 |
Adhesives | ||||||||||||||
| __ | 1.69 | Bottle | 0.25" | 5 sec. | 30 min. | 5 sec. @ 100 mW/cm2 | UV Light | Thin Liquid (850 cP) | Not Rated | 45° to 80° | Clear | Ceramic, Composites, Glass, Metal, Plastic, Rubber | 000000 | 00000 |
| Dispensing Gun with Plunger | 0000000 | Each | 000000 |
Light-Activated Instant-Bond Adhesives
For easy positioning, these adhesives begin to harden only when exposed to light.
Thick liquids fill large gaps and won't drip on vertical surfaces. Thin liquids flow to fill small gaps between close-fitting parts.
352 can also be cured with an activator (sold separately).
Use adhesives in syringes with a dispensing gun with plunger (sold separately).
Container | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Size, fl. oz. | Type | Max. Gap Size Filled | Begins to Harden | Reaches Full Strength | Light Intensity Requirements to Reach Full Strength | Cure Type | Consistency (Viscosity) | Temp. Range, °F | Color | For Joining | Each | |
Loctite® Adhesives | |||||||||||||
| 349 | 1.69 | Bottle | __ | 5 sec. | 30 sec. | 8 sec. @ 10 mW/cm2 | UV Light | Thick Liquid (9,750 cP) | -65° to 260° | Light Yellow | Glass, Metal | 00000000 | 000000 |
| 352 | 1.69 | Bottle | __ | 10 sec. | 60 sec. | 12 sec. @ 6 mW/cm2 | Activator, UV Light | Thick Liquid (19,500 cP) | -65° to 270° | Amber | Glass, Metal, Plastic, Rubber | 00000000 | 00000 |
| 3104 | 0.84 | Syringe | __ | 5 sec. | 90 sec. | 15 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thin Liquid (150 cP) | -65° to 300° | Light Yellow | Glass, Metal, Plastic, Rubber | 00000000 | 00000 |
| 3105 | 0.84 | Syringe | __ | 5 sec. | 90 sec. | 15 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thin Liquid (300 cP) | -65° to 300° | Light Yellow | Glass, Metal, Plastic, Rubber | 00000000 | 00000 |
| 3105 | 33.8 | Bottle | __ | 5 sec. | 90 sec. | 15 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thin Liquid (300 cP) | -65° to 300° | Light Yellow | Glass, Metal, Plastic, Rubber | 00000000 | 000000 |
| 3301 | 0.84 | Syringe | __ | 5 sec. | 90 sec. | 15 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thin Liquid (150 cP) | -65° to 300° | Light Yellow | Glass, Metal, Plastic | 00000000 | 00000 |
| 3311 | 0.84 | Syringe | __ | 5 sec. | 90 sec. | 15 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thin Liquid (300 cP) | -65° to 300° | Light Yellow | Glass, Metal, Plastic | 00000000 | 00000 |
| 3341 | 0.84 | Syringe | __ | 5 sec. | 30 sec. | 10 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thin Liquid (530 cP) | -65° to 300° | Light Yellow | Metal, Plastic | 00000000 | 00000 |
| 3556 | 0.84 | Syringe | __ | 5 sec. | 1 hrs. | 5 sec. @ 500 mW/cm2 | Visible Light | Thick Liquid (5,000 cP) | -65° to 300° | Light Yellow | Metal, Plastic | 0000000 | 000000 |
| 3922 | 0.84 | Syringe | __ | 10 sec. | 30 sec. | 10 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thin Liquid (300 cP) | -65° to 300° | Light Yellow | Glass, Metal, Plastic, Rubber | 00000000 | 00000 |
| 4311 | 1 | Bottle | 0.008" | 5 sec. | 24 hrs. | 10 sec. @ 30 mW/cm2 | UV Light, Visible Light | Thin Liquid (1,050 cP) | -65° to 200° | Green | Ceramic, Composites, Glass, Metal, Plastic, Rubber, Wood | 000000 | 00000 |
Moisture-Resistant Light-Activated Instant-Bond Adhesives
Moisture, humidity, and immersion in water won't degrade the bond of these adhesives. For easy positioning, they begin to harden only when exposed to light. Use a dispensing gun with plunger (sold separately) to dispense adhesive.
Container | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden | Reaches Full Strength | Light Intensity Requirements to Reach Full Strength | Cure Type | Consistency (Viscosity) | Temp. Range, °F | Color | For Joining | Each | |
Loctite® Adhesives | ||||||||||||
| 3494 | 0.84 | Syringe | 5 sec. | 30 sec. | 10 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (6,000 cP) | -65° to 300° | Clear | Glass, Metal | 00000000 | 000000 |
| 3525 | 0.84 | Syringe | 5 sec. | 30 sec. | 5 sec. @ 6 mW/cm2 | UV Light, Visible Light | Thick Liquid (15,250 cP) | -65° to 300° | Clear | Glass, Metal, Plastic, Rubber | 00000000 | 00000 |
Adhesives | ||||||||||||
| __ | 0.84 | Syringe | 60 sec. | 60 sec. | 15 seconds @ 6 mW/cm 2 | UV Light | Thick Liquid (400 cP) | -65° to 350° | Amber | Glass, Magnets, Metal | 00000000 | 00000 |
| Dispensing Gun with Plunger | 0000000 | Each | 000000 |
Optically Clear Light-Activated Instant-Bond Adhesives
Invisibly bond glass and metal—these adhesives dry clear. For easy positioning, they begin to harden only when exposed to ultraviolet light.
Container | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size, fl. oz. | Type | Max. Gap Size Filled | Begins to Harden | Reaches Full Strength | Light Intensity Requirements to Reach Full Strength | Cure Type | Consistency (Viscosity) | Temp. Range, °F | For Joining | Each | |
| 0.84 | Syringe | 0.25" | 10 sec. | 24 hrs. | 20 seconds @ 100 mW/cm2 | UV Light | Thick Liquid (6,950 cP) | -65° to 250° | Glass, Metal | 000000 | 000000 |
| 1.69 | Bottle | 0.25" | 10 sec. | 24 hrs. | 20 seconds @ 100 mW/cm2 | UV Light | Thick Liquid (6,950 cP) | -65° to 250° | Glass, Metal | 000000 | 00000 |
| 33.8 | Bottle | 0.25" | 10 sec. | 24 hrs. | 20 seconds @ 100 mW/cm2 | UV Light | Thick Liquid (6,950 cP) | -65° to 250° | Glass, Metal | 000000 | 000000 |
Light-Activated Surface Filler Pens for Plastic
These surface fillers come in a pen for precision application. After applying, use the LED on the back of the pen to instantly cure. Surface fillers work with most kinds of plastic, as well as wood, particleboard, and medium density fiberboard (MDF).
| Formulation | Container Size, fl. oz. | Begins to Harden, sec. | Reaches Full Strength, sec. | Consistency | For Use Outdoors | Temp. Range, °F | Color | Finishing Method | For Use On | Batteries Included | Each | |
| Acrylic | 0.2 | 3 | 15 | Gel | Yes | 0° to 245° | Clear | Drill, Sand | Acrylic Plastic, Polystyrene Plastic, Polycarbonate Plastic, ABS Plastic, PVC Plastic, CPVC Plastic, PVDF Plastic, Vinyl Plastic, Fiberglass, Wood | Yes | 0000000 | 000000 |
Light-Activated Surface Filler Pens
These surface fillers come in a pen for precision application. After applying, use the LED on the back of the pen to instantly cure. They can be used with most types of metal as well as ceramic, stone, and porcelain.
| Formulation | Container Size, fl. oz. | Begins to Harden, sec. | Reaches Full Strength, sec. | Consistency | For Use Outdoors | Temp. Range, °F | Color | Finishing Method | For Use On | Batteries Included | Each | |
| Acrylic | 0.2 | 3 | 12 | Gel | Yes | 0° to 245° | Clear | Drill, Sand | Aluminum, Brass, Copper, Steel, Stainless Steel, Galvanized Iron, Galvanized Steel, Ceramic, Porcelain, Stone | Yes | 000000 | 000000 |
Light-Activated Surface Fillers
Press these putty surface fillers in place to fill in holes, cracks, and dents. When exposed to sunlight or a UV lamp, they begin to harden immediately.
Epoxy fillers provide better adhesion and more corrosion resistance than polyester fillers.
Container | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Formulation | Size, fl. oz. | Type | Begins to Harden, sec. | Reaches Full Strength, min. | Consistency | For Max. Crack Wd. | Approx. Coverage @ Thick. | Max. Thick. | For Use Outdoors | Temp. Range, °F | Color | Finishing Method | For Use On | Each | |
| Polyester | 3.5 | Tube | 1 | 3 | Putty | 1" | 24 sq. in. @ 1/4" | 1/2" | Yes | -40° to 220° | White | Drill, Sand, Tap | Aluminum, Brass, Copper, Steel, Stainless Steel, Cast Iron, Titanium, Polycarbonate Plastic, Polyurethane Rubber, ABS Plastic, PVC Plastic, CPVC Plastic, PETG Plastic, PVDF Plastic, Polyimide Plastic, Fiberglass, Wood | 00000000 | 000000 |
| Epoxy | 3.5 | Bottle | 1 | 5 | Putty | 1" | 24 sq. in. @ 1/4" | 1/2" | Yes | -40° to 270° | Amber | Drill, Sand, Tap | Aluminum, Brass, Copper, Steel, Stainless Steel, Cast Iron, Titanium, Polycarbonate Plastic, Polyurethane Rubber, ABS Plastic, PVC Plastic, CPVC Plastic, PETG Plastic, PVDF Plastic, Polyimide Plastic, Fiberglass, Wood | 00000000 | 00000 |
Light-Activated Surface Filler Patches
An easy way to make repairs in the field. Cut patches to size, peel off the backing, and press into place. When exposed to sunlight or a UV lamp, they begin to harden immediately. Patches are waterproof.
| Formulation | Lg. | Wd. | Begins to Harden, sec. | Reaches Full Strength, min. | For Use Outdoors | Temp. Range, °F | Color | Finishing Method | For Use On | Each | |
| Polyester | 6" | 3" | 1 | 50 | Yes | -40° to 350° | Yellow | Drill, Sand | Vinyl Plastic, EPDM Rubber, SBR Rubber, Fiberglass, Concrete | 0000000 | 000000 |
Heavy Duty Light-Activated Coatings for Electronics
Thinner than potting compounds, these coatings flow easily into small spaces between electrical components. They require an ultraviolet curing lamp to reach full strength. Use them to secure and insulate hardware on printed circuit boards.
Syringe coatings require a gun (sold separately) to dispense.
Dry Time | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. | Mfr. Model No. | Container Size, fl. oz. | Consistency | Touch, sec. | Overall | Hardness Rating | Dielectric Strength, V/mil | Temp. Range, °F | Light Intensity Requirements to Reach Full Strength | For Use On | Color | Each | |
Bottle Coatings | |||||||||||||
| __ | __ | 1 4/5 | Thin Liquid | 10 | 60 sec. | Not Rated | 34,000 | -65° to 350° | 10 seconds @ 7 mW/cm 2 | Aluminum, Brass, Copper, Steel, Stainless Steel, Silver, Titanium, Fiberglass | Amber | 00000000 | 000000 |
Syringe Coatings | |||||||||||||
| Loctite® | 3751 | 4/5 | Thin Liquid | 10 | 2 min. | Extra Hard | 730 | -65° to 270° | 10 seconds @ 100 mW/cm 2 | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Silver, Titanium, Plastic, Composites, Fiberglass | Yellow | 00000000 | 00000 |
| Dispensing Guns for Syringes | 0000000 | Each | 000000 |
Heavy Duty High-Purity Light-Activated Coatings for Electronics
This coating is formulated for use in sensitive applications such as manufacturing semiconductors. Thinner than potting compounds, it flows easily into small spaces between electrical components. The coating begins to harden when exposed to UV light. Use it to secure and insulate hardware on printed circuit boards. It requires a gun (sold separately) to dispense.
Dry Time | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Container Size, fl. oz. | Consistency | Touch, sec. | Overall, hrs. | Dielectric Strength, V/mil | Temp. Range, °F | Light Intensity Requirements to Reach Full Strength | For Use On | Color | Each | |
Loctite® Coatings—Medium Soft | |||||||||||
| 5240 | 0.85 | Thick Liquid | 10 | 72 | 533.4 | -65° to 195° | 60 seconds per side @ 70 mW/cm2 | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Silver, Titanium, Fiberglass, Composites | Green | 0000000 | 000000 |
| Dispensing Guns for Syringes | 0000000 | Each | 000000 |
Heavy Duty Optically Clear Light-Activated Coatings for Electronics
Clear enough to read through, this coating allows optimal light transmission for use with LEDs, solar cells, and fiber optics. Thinner than potting compounds, it flows easily into small spaces between electrical components. The coating requires an ultraviolet curing lamp to reach full strength. Dispense with a gun (sold separately).
Dry Time | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Container Size, fl. oz. | Consistency | Touch, sec. | Overall, hrs. | Hardness Rating | Temp. Range, °F | Light Intensity Requirements to Reach Full Strength | For Use On | Color | Each | |
| 0.8 | Thick Liquid | 10 | 24 | Extra Hard | -65° to 300° | 15 seconds @ 100 mW/cm2 | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Iron, Silver, Plastic, Rubber, Composites, Fiberglass, Ceramic, Glass | Clear | 0000000 | 0000000 |
| Dispensing Guns for Syringes | 0000000 | Each | 000000 |