3M Scotch Weld 3748 VO Hot melt - Q, TC and PG
3M 3748 VO Hot Melt Overview
The 3748 VO carries a pretty hefty price tag but can end up saving money and time in electronic applications where it is replacing adhesives like epoxies and urethanes.
The 3M 3748 VO is a unique hot melt adhesive often used in electronic assembly because it provides excellent thermal shock resistance and is non-corrosive to copper. The 3M 3748 VO also provides an excellent bond to polyolefins and meets UL1410 requirements.
3M 3748VO is a standard temperature hot melt and comes in 3M stick sizes Q, PG and TC so please be sure to order the proper hot melt stick size for your gun.
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Hotmelt.com carries the full line of 3M hot melt adhesives, hot melt applicators and 3M repair parts. Please contact us (877) 933-3343 or e-mail sales@hotmelt.com with questions or for volume pricing.
3M 3748VO Glue Sticks Per Carton
- 11 lbs of glue stick size TC 5/8" x 2" is approximately 770 glue sticks *Special Order
- 11 lbs of glue stick size Q 5/8" x 8" is approximately 165 glue sticks
- 22 lbs of glue stick size PG 1" x 3" is approximately 264 glue sticks *Special Order
3M Scotch Weld 3748 VO Hot melt - Q, TC and PG Specs
- Base Resin: Polyolefin
- Color: Light Yellow
- Specific Gravity: 1.09
- Ball and Ring Softening Point: 305°F (152°C)
- Viscosity: @ 356°F (180°C) 8,500 cps, @ 392°F (200°C) 5,000 cps, @ 428°F (220°C) 3,300 cps
- UL 94 (Flammability Classification): V-O
- Shore D Hardness (ASTM D 2240): 26 @ 77°F (25°C)
- Two Pound Dead Load Heat Resistance: 175°F (79°C)
- Weight Loss by TMA (In Air) Temperature of weight loss at 5°C/min: 1% @ 459°F (237°C) 5% @ 621°F (327°C), 10% @ 673°F (356°C)
- Thermal Shock Resistance, Potted Washer Olyphant test (3M TM C3167)+ 100°C (air) to -40°C (liquid): Passes 5 cycles w/o cracking