Loctite® Ultraviolet Strengthening Adhesives

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	Container Type Container Type


Bottle	Brush-Top Bottle

Aerosol Can	Syringe

	For Use On For Use On

	Cure Type Cure Type

UV Light

Activator

Visible Light

	For Joining For Joining

	Manufacturer Model Number Manufacturer Model Number

	Formulation Formulation

Acrylic

Cyanoacrylate

	Type Type

Adhesive

Activator

Protective Coating

	Color Color

	Amber		Green
	Light Yellow		Yellow

	Maximum Temperature Maximum Temperature

	Viscosity Viscosity

	For Loctite® Model Number For Loctite® Model Number

	Reaches Full Strength Reaches Full Strength

	Light Intensity Requirements to Reach Full Strength Light Intensity Requirements to Reach Full Strength

5 seconds @ 6 mW/cm2

10 seconds @ 6 mW/cm2

12 seconds @ 6 mW/cm2

15 seconds @ 6 mW/cm2

18 seconds @ 6 mW/cm2

20 seconds @ 6 mW/cm2

8 seconds @ 10 mW/cm2

10 seconds @ 30 mW/cm2

2 minutes @ 30 mW/cm2

5 seconds @ 500 mW/cm2

10 seconds @
7,000 mW/cm2

	Container Size Container Size

	Shear Strength Shear Strength

Less than 500 lbs./sq. in.

500 to 749 lbs./sq. in.

750 to 999 lbs./sq. in.

1,000 to 2,499 lbs./sq.
in.

2,500 lbs./sq. in. or
greater

	Consistency Consistency

Thin Liquid

Thick Liquid

	Elongation Elongation

	Peel Strength Peel Strength

16 lbs./in. wd.

13 lbs./in. wd.

Not Rated

	Begins to Harden Begins to Harden

5 sec.

10 sec.

	Clarity Clarity

Clear

Semi-Clear

Opaque

	Maximum Gap Size Filled Maximum Gap Size Filled

0.008"

0.02"

	Hardness Rating Hardness Rating

Extra Hard

Not Rated

	Overall Dry Time Overall Dry Time

60 sec.

2 min.

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24 Products

About Structural Adhesives

About Paint and Protective Coatings

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, 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	00000
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

Dispensing Gun with Plunger for Syringes	Each	000000
Activator for Loctite® 352 (1.8-oz. Bottle)	Each	00000
Activator for Loctite® 352 (4.5-oz. Aerosol Can)	Each	00000

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.

	Container
Mfr. Model No.	Size, 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
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

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, 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°	Light Yellow	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°	Light Yellow	Glass, Metal, Plastic, Rubber	00000000	00000

Dispensing Gun with Plunger

0000000

Each

000000

Acrylic Adhesive Activators

Activators are required for no-mix acrylic structural adhesives to create adhesion.

		Container
Mfr. Model No.	For Loctite® Model No.	Size, oz.	Type	Consistency	Viscosity, cP	Color		Each
Loctite® Activators
7387	324, 325, 330, 331, 332, 334, 352, 392	1.8	Brush-Top Bottle	Thin Liquid	1	Amber	0000000	000000
7387	324, 325, 330, 331, 332, 334, 352, 392	4.5	Aerosol Can	Thin Liquid	1	Amber	0000000	00000

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, 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
__	__	1.8	Thin Liquid	10	60 sec.	Not Rated	34,000	-65° to 350°	10 seconds @ 7,000 mW/cm²	Aluminum, Brass, Copper, Steel, Stainless Steel, Silver, Titanium, Fiberglass	Amber	00000000	000000
Syringe Coatings
Loctite®	3751	0.8	Thin Liquid	10	2 min.	Extra Hard	730	-65° to 270°	2 minutes @ 30 mW/cm²	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Silver, Titanium, Plastic, Composites, Fiberglass	Yellow	00000000	00000

Dispensing Guns for Syringes

0000000

Each

000000

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