Adhesive Primers | McMaster-Carr

	Container Type Container Type

Spray Bottle

Brush-Top
Bottle

Stick

	For Use On For Use On

	Type Type

Primer

Accelerator

	Manufacturer Manufacturer

Loctite®

Dow Corning

Vibra-Tite

	Manufacturer Model Number Manufacturer Model Number

	Color Color

	Amber		Green
	Turquoise		Clear
	White		Blue
	Purple

	Container Size Container Size

	Consistency Consistency

Thin Liquid

Paste

	Specifications Met Specifications Met

Mil. Spec.

NSF/ANSI

ASTM

	Clarity Clarity

Clear

Semi-Clear

Opaque

	Drying Time Drying Time

	Viscosity Viscosity

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	For Use With For Use With

Beverage

Food

	Manufacturer Model Name Manufacturer Model Name

Scotch-Weld

Excel Primer N

	Certificate Certificate

	Material Certificate with Traceable Lot Number and Product Shelf Life

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23 Products

About Structural Adhesives

About Sealant Flexibility

To speed cure time on coated fasteners, aluminum, stainless steel, or titanium, apply these primers before using threadlocker or retaining compound. They also work with no-mix acrylic adhesives.

Primers in brush-top bottles also include a spray head for easy dispensing.

	Container
Mfr. Model No.	Size	Type	Drying Time	Consistency	Viscosity, cP	Color	Environment		Each
Loctite® Primers
7088	0.59 oz.	Stick	Instant	Paste	Not Rated	Turquoise	__	00000000	000000
7090	1 oz.	Bottle	Instant	Thin Liquid	20	Blue	__	0000000	00000
7471	1.75 oz.	Brush-Top Bottle, Spray Bottle	30 sec.	Thin Liquid	2	Amber	__	00000000	00000
7471	4.5 oz.	Aerosol Can	30 sec.	Thin Liquid	2	Amber	__	00000000	00000
7471	1 gal.	Can	30 sec.	Thin Liquid	2	Amber	__	00000000	000000
7649	0.88 oz.	Aerosol Can	30 sec.	Thin Liquid	2	Green	Food Industry	0000000	00000
7649	1.75 oz.	Brush-Top Bottle, Spray Bottle	30 sec.	Thin Liquid	2	Green	Food Industry	0000000	00000
7649	4.5 oz.	Aerosol Can	30 sec.	Thin Liquid	2	Green	Food Industry	0000000	00000
7649	1 gal.	Can	30 sec.	Thin Liquid	2	Green	Food Industry	0000000	000000
Vibra-Tite Primers
611	8 oz.	Spray Bottle	30 sec.	Thin Liquid	3	Green	__	00000000	00000
Primers
__	4.25 oz.	Aerosol Can	1 min.	Thin Liquid	Not Rated	Green	__	00000000	00000

Primers for Instant-Bond Adhesives

Improve instant-bond adhesive performance on hard-to-bond slippery plastics. These primers cannot be sold to the regions listed because they exceed local regulatory limits on VOCs (volatile organic compounds).

Primers in brush-top bottles also include a spray head for easy dispensing.

Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.

	Container
Mfr. Model No.	Size, oz.	Type	Drying Time, sec.	Consistency	Viscosity, cP	Color	Cannot Be Sold To		Each
Loctite® Primers
7701	1.75	Brush-Top Bottle, Spray Bottle	30	Thin Liquid	1	Clear	Los Angeles County, CA, Orange County, CA, Riverside County, CA, San Bernardino County, CA	0000000	000000
770	1.75	Brush-Top Bottle, Spray Bottle	30	Thin Liquid	1	White	Los Angeles County, CA, Orange County, CA, Riverside County, CA, San Bernardino County, CA	00000000	00000
770	16	Can	30	Thin Liquid	1	White	Los Angeles County, CA, Orange County, CA, Riverside County, CA, San Bernardino County, CA	00000000	00000

Primers for Structural Adhesives

Use these primers with structural epoxies, acrylics, and urethanes to promote bonding to EPDM rubber, polyolefin, and thermoplastic elastomers. They cannot be sold to the regions listed due to local regulatory limits on VOC (volatile organic compounds).

Container
Size, oz.	Type	Drying Time, min.	Consistency	Viscosity, cP	Color	Cannot Be Sold To		Each
8	Can	60	Thin Liquid	10	Amber	Los Angeles County, CA; Orange County, CA; Riverside County, CA; San Bernardino County, CA	0000000	000000

Primers for Pipe Cement for Plastic Pipe

Prepare PVC and CPVC pipe for bonding.

Container Type	Drying Time, min.	Consistency	Viscosity, cP	Color	Specifications Met		8 oz.	16 oz.	32 oz.
Brush-Top Can	5	Thin Liquid	Not Rated	Clear	ASTM F656	00000000	00000	000000	00
Brush-Top Can	5	Thin Liquid	Not Rated	Purple	ASTM F656	00000000	0000	00000	000000

Adhesive Accelerators for Instant-Bond Adhesives

Shorten the time it takes instant-bond adhesives to reach full strength. Apply these accelerators before bonding with instant-bond adhesives for strength, or after bonding to keep adhesive from turning cloudy.

Bottles of Scotch-Weld 87937, 712, 7109, and 7113 include both a brush and spray head for easy dispensing.

Scotch-Weld 87937 also works as a primer on porous materials.

	Container
Mfr. Model No.	Size	Type	Consistency	Viscosity, cP	Color		Each
3M Scotch-Weld Accelerators
87937	2 oz.	Brush-Top Bottle, Spray Bottle	Thin Liquid	10	Amber	00000000	000000

Sealant Primers

Prepare joints and surfaces to ensure proper sealant adhesion.

Primer for use on PVC plastic and TPO plastic is often used on roof joints.

	Container
Mfr. Model No.	Size	Type	Drying Time	Color	For Use On		Each
Dow Corning Primers
P5200	12 oz.	Bottle	2 hrs.	Clear	Stainless Steel, Steel, Cast Iron, Galvanized Steel, ABS Plastic, Polycarbonate Plastic, Polystyrene Plastic, Polyurethane Rubber, PVC Plastic, Glass, CPVC Plastic, PETG Plastic, PVDF Plastic, Polyimide Plastic, EPDM Rubber, SBR Rubber, Ceramic, Masonry, Wood, Iron, Silicone Rubber, Galvanized Iron	0000000	000000

Thin Film and Label Application Primers

4 oz.

32 oz.

Smoothing Tool

Spray these primers onto a mounting surface to quickly and smoothly apply signs, labels, and protective films. These primers float adhesive-backed sheets above a surface until you press them down, giving you time to position the sheet and remove any wrinkles. Since the sheet doesn’t stick right away, you can apply large sheets without needing a second pair of hands. These primers also work with non-adhesive films. Even in hot or cold temperatures, your sheet will stay put.

Clean the mounting surface with primer before applying a film, so no residue is trapped underneath. Use a smoothing tool (sold separately) to squeeze out air bubbles and excess fluid. Drying time depends on application—most decals and films will dry within 90 seconds, but 3D printer sheets should dry for 24 hours before printing.

Container
Size, oz.	Type	Drying Time, sec.	Consistency	Color		Each
4	Spray Bottle	90	Thin Liquid	Amber	0000000	00000
32	Spray Bottle	90	Thin Liquid	Amber	0000000	00000

Smoothing Tool

0000000

Each

00000

Adhesives for Conveyor Pulley Coating