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3M™ Scotch-Weld™ Epoxy Adhesive DP420

3M Product Number  DP420     
3M™ Scotch-Weld™ Epoxy Adhesive DP420
3M(TM) Scotch-Weld(TM) Family Collage
3M™ Scotch-Weld™ Epoxy Adhesive DP420 is a toughened, two-part epoxy adhesive. 2:1 mix ratio, 20 minute work life and handling strength in approximately 2 hours. 3M™ Scotch-Weld™ EPX™ Plus II applicator and mix nozzles are required (not included).
  • 20 minute work life
  • Toughened for impact resistance
  • High peel and shear strength
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Overview

3M™ Scotch-Weld™ Epoxy Adhesive DP420 exhibits good shear and peel strengths along with good impact and durability. It bonds extremely well to many surfaces, such as metals, ceramics, wood and some plastics.

Specifications

ApplicationsHard Disk Drive Component Assembly
BrandScotch-Weld
Chemical BaseEpoxy
ColorOff-White, Black
Container Volume400 ml, 37 ml, 200 ml
Full Cure24 Hours @ 72 F (22 C)
Hardness75-80 Shore D
IndustriesGeneral Industrial, Construction, Electronics, Specialty Vehicle, Transportation, Consumer Goods, Military & Government
Mix Ratio Volume Base:Accelerator2 : 1
Peel Strength at 72 Degrees F (22 Degrees C)50 lb/in
Physical FormFlowable Liquid
Product FormEach
Shear Strength at 72 Degrees F (22 Degrees C)4500 Pound-Force Per Square Inch
Shelf Life15 Months
Specific Gravity1.14, 1.12, 1.13
Storage Temperature72 Degree Fahrenheit
Substrate 1Metal, Glass & Ceramics
Substrate 2Metal, Glass & Ceramics
Time to Handling Strength2 Hour
TypeEpoxy Adhesive
Viscosity Range (cps) at Room Temperature30,000, 180,000
Worklife5 grams: 30 minutes @ 72 F (22 C), 20 grams: 15 minutes @ 72 F (22 C), 20 minutes @ 72 F (22 C), 10 grams: 20 minutes @ 72 F (22 C)