3M™ Scotch-Weld™ Bulk Hot Melt Adhesives 3781B and 3784B

3

Moreboxes

pound

With your same equipment...

per

Better value in the pot, more value on the box

3M™ Scotch-Weld™ Bulk Hot Melt Adhesives 3781B and 3784B combine performance and production advantages that make your adhesive dollar go further in the pot and on the box.

Better value In the pot

• Oxidation resistance for long pot life with no gelling, charring or skinning

– Smooth application and throughput hour after hour with less plugging and adhesive build-up– Less stringing and downtime for dispensing equipment

• Excellent color and viscosity stability

• Clean nozzle cut-off without stringing even at high speed

• More comfortable work environment with low odor and fumes, and no solvents

More value on the box

• Moderate-fast adhesion with most board and coatings; cartons stay closed in the freezer or intemperatures up to 210°F (99°C)

• 100% solids and low density for high coverage and more boxes per pound

1

2

Color stability

Simulationof color after48 hours atapplicationtemperature

3Industrial Adhesives and Tapes Division

3M Center, Building 225-3S-06 St. Paul, MN 55144-1000 800-362-3550www.3M.com/adhesives

3M and Scotch-Weld are trademarks of 3M Company.Printed in U.S.A.

© 3M 2010.All rights reserved.

78-9236-7221-2

Warranty, Limited Remedy, and Disclaimer: Many factors beyond 3M’s control and uniquely within user’s knowledge and control can affect the useand performance of a 3M product in a particular application. User is solely responsible for evaluating the 3M product and determining whether it is fitfor a particular purpose and suitable for user’s method of application. Unless an additional warranty is specifically stated on the applicable 3M productpackaging 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, replacementof 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 damagearising from the 3M product, whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including warranty,contract, negligence or strict liability.

1Made from components listed as indirect food additives under FDA regulations for adhesives (21 CFR 175.105).2Brookfield Thermoset Viscometer in Centipoise. 3ASTM D 1505-03. 4Last reported temperature that will support a 2 PSI dead load for 30 Minutes. 5ASTM E 28-99.

Products 3781B 3784BFDA Listed1 Yes Yes

Physical Form Pellet Pellet

Color Clear Clear

Viscosity2 @ 350°F (177°C) 890 cps 980 cps

Density3 0.89 0.89

Recommended Application Temp. 350°F (177°C) 350°F (177°C)

Pot stability at Application Temp. >100 hrs. >100 hrs.

Heat Resistance4 210°F (99°C) 190°F (88°C)

Softening Point5 226°F (108°C) 232°F (111°C)

Base Polymer Polypropylene PolypropyleneOpen Time 1/8" Bead (sec.) 40 sec. 35 sec.

Set Time