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Scotch-Weld™

Plastic and Rubber Instant Adhesives

PR40 • PR100 • PR600 • PR1500 • PR Gel

Technical Data April, 2016

Product

Description 3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesives are designed to give

exceptional performance on difficult-to-bond plastic and rubber substrates. These adhesives

may be bonded to like substrates or in combination with metal or composite substrates.

Superior performance is achieved on materials such as heavily plasticized PVC, EPDM,

ABS, Nylon, Santoprene®

, and Viton®

Specific Features • 3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesive PR40 is a low viscosity

cyanoacrylate adhesive which bonds close-fitting plastic or rubber parts quickly and

with high strength.

• 3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesive PR100 is a general

purpose, low viscosity bonder for rubber or plastic surfaces.

• 3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesive PR600 is a medium viscosity

cyanoacrylate with some gap-filling capability. It will bond many common substrates

including plastics and rubbers.

• 3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesive PR1500 is a high viscosity

cyanoacrylate that can be used on plastic or rubber parts that do not fit well together. It

has excellent gap-filling characteristics and will not wick into unwanted areas.

• 3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesive PR Gel is a fast curing, very

high viscosity, gap-filling cyanoacrylate. Its gel formulation is suitable for bonding

poorly mating components and for porous substrates and can be used on vertical

surfaces as it will not drip or slump.

3M™ Scotch-Weld™

Plastic and Rubber Instant Adhesives

PR40 • PR100 • PR600 • PR1500 • PR Gel

Typical Uncured

Physical Properties Note: The following technical information and data should be considered representative or

typical only and should not be used for specification purposes.

3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesives

PR40

PR100

PR600

PR1500

PR Gel

Color

Clear

Base

Ethyl Hybrid

Appearance

Liquid

Specific Gravity (g/ml)

1.06

1.07

1.08

1.10

Viscosity (cps)

20 - 451

70-110 1

500-700 2

1,200 -

1,700 3

100,000 –

150,000 4

Time to Handling Strength (sec)*

<15

<20

<35

<45

<25

Full Cure time (hr)

1 Cone-Plate viscosity, CP75 at 3000/s shear rate; 2 Cone-Plate viscosity, CP75 at 100/s shear rate, 3 Cone-Plate viscosity, CP50 at 100/s shear rate,

4 Brookfield viscosity, Spindle TC @ 2.5 rpm; * On EPDM. Time to handling is substrate dependent.

Typical Cured

Properties Note: The following technical information and data should be considered representative or

typical only and should not be used for specification purposes.

3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesives

PR40

PR100

PR600

PR1500

PR Gel

Temperature Range (oF)

-65 to 180

Gap Fill (in)

0.004

0.006

0.008

0.020

Overlap Shear Strength1 (psi)

PR40

PR100

PR600

PR1500

PR Gel

Steel 2

2000

2100

2200

Stainless Steel 2

2700

2800

2950

3100

Aluminum 2

2223

2326

2387

2400

ABS

900 3

9503

12003

1400 3

1050 3

Polycarbonate

660 3

750 3

700 3

900 3

PVC

1750 3

1000 3

1750 3

Nylon

850

900

600

950

Polypropylene 4

1100 3

1050 3

600 3

1100 3

Silicone Elastomer 5

100 3

1 ASTM D-1002 2 Grit blasted 3 Substrate failure 4 Primed with AC77 5 Primed with AC79

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3M™ Scotch-Weld™

Plastic and Rubber Instant Adhesives

PR40 • PR100 • PR600 • PR1500 • PR Gel

Hot Strength

Percent of Initial Strength

Temp (F)

PR40

PR100

PR600

PR1500

PR Gel

100

167

212

257

Handling Information Surface Preparation

For optimum strength structural bonds, paint, oxide films, oils, dust, mold release

agents, and all other surface contaminants must be completely removed. However,

the amount of surface preparation depends on the required bond strength and the

environmental aging resistance desired by the user. Typical quick surface preparation

would include wiping with a clean solvent (such as isopropyl alcohol*), abrading

the surface with a clean fine abrasive, and then wiping again with a clean solvent to

remove loose particles.

Directions for Use

1. Ensure that parts are clean, dry, and free from oil and grease.

2. An instant adhesive activator may be required if there are bonding gaps

or porous substrate surfaces, if substrates are low surface energy plastics

(e.g., polyethylene, polypropylene) or if substrates have acidic surfaces

(e.g., paper, leather).

3. Bond speed is typically very fast so ensure that parts are properly aligned before

dispensing.

4. Product is normally hand applied from the bottle. Apply sparingly to one surface

and press parts firmly together until handling strength is achieved. As a general

rule, as little cyanoacrylate as possible should be used. Over application will

result in slower cure speed and lower bond strength.

Cured Bond Characteristics

1. Full bond strength will typically be achieved within a 24 hour cure time.

2. Low humidity or low temperature conditions will slow down the cure rate.

3. After curing, 3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesive bonds

are suitable for use up to about 180°F (82°C).

4. Cyanoacrylate bond resistance to most oils and solvents is excellent. Long term

humidity, moisture, or water immersion may affect the strength of a cured

cyanoacrylate bond depending on the substrates and the bond gap. Testing is

recommended to evaluate the effect.

*Note: When using solvents, extinguish all ignition sources, including pilot lights,

and follow the manufacturer’s precautions and directions for use.

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3M™ Scotch-Weld™

Plastic and Rubber Instant Adhesives

PR40 • PR100 • PR600 • PR1500 • PR Gel

Storage For short term storage (<30 days), keep adhesive in a cool (60°F to 80°F [16°C to

27°C]), dry place out of direct sunlight. Keep containers tightly covered and free of

moisture. Refrigeration (40°F [4°C]) gives optimum long term storage stability.

Shelf Life 3M™ Scotch-Weld™ Plastic and Rubber Instant Adhesives can be expected to have

a shelf life of one year from the date of shipment from 3M when stored under

refrigerated conditions.

Precautionary

Information

Refer to Product Label and Material Safety Data Sheet for health and safety information

before using this product. For additional health and safety information, call 1-800-364-3577

or (651) 737-6501.

Technical Information The technical information, recommendations and other statements contained in this

document are based upon tests or experience that 3M believes are reliable, but the accuracy

or completeness of such information is not guaranteed.

Product Use Many factors beyond 3M’s control and uniquely within user’s knowledge and control can

affect the use and performance of a 3M product in a particular application. Given the

variety of factors that can affect the use and performance of a 3M product, user is solely

responsible for evaluating the 3M product and determining whether it is fit for a particular

purpose and suitable for user’s method of application.

Warranty,

Limited Remedy,

and Disclaimer

Unless an additional warranty is specifically stated on the applicable 3M product

packaging or product literature, 3M warrants that each 3M product meets the applicable

3M product specification at the time 3M ships the product. 3M MAKES NO OTHER

WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT

LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY

IMPLIED WARRANTY OR CONDITION ARISING OUT OF A COURSE OF

DEALING, CUSTOM OR USAGE OF TRADE.

If the 3M product does not conform to this warranty, then the sole and exclusive

remedy is, at 3M’s option, replacement of the 3M product or refund of the purchase

price.

Limitation of Liability Except where prohibited by law, 3M will not be liable for any loss or damage arising from

the 3M product, whether direct, indirect, special, incidental or consequential, regardless of

the legal theory asserted, including warranty, contract, negligence or strict liability.

ISO 9001: 2000

This product was manufactured under a quality system registered to ISO 9001: 2000 standards.

Industrial Adhesives and Tapes Division

3M Center, Building 225-3S-06

St. Paul, MN 55144-1000

800-362-3550 • 877-369-2923 (Fax)

www.3M.com/structuraladhesives

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3M and Scotch-Weld are trademarks of

3M Company.

Santoprene is a registered trademark of

ExxonMobil Chemical.

Viton is a registered trademark of

E.I. DuPont de Nemours Co.