PERMABOND MT3821

Harmonization Code : 3214.10.00 | Putty and other mastics | Resin cements, caulking compounds and other mastics

PERMABOND MT3821

Main features

  • Soft, Flexible Cured Epoxy
  • Controlled 2:1 Mix Ratio
  • Plastic and Metal Bonding

Product Description

Permabond MT3821 is a two-part, 2:1 modified epoxy adhesive for sealing and bonding plastics and metals. The system cures to a soft, flexible material, forming a flexible epoxy bond rather than a rigid joint. It bonds nylon, ABS, polycarbonate, and metals. The controlled two-component format uses a defined mixing ratio, while the flexible cured state supports joints that combine sealing with bonded attachment. Applications include plastic and metal assembly where a soft, flexible epoxy bond is required.

Key features

  • Flexible Modified Epoxy: Cures to a soft, flexible material for sealing and bonded attachment.
  • Controlled 2:1 Mixing: Two-part system uses a defined 2:1 mix ratio.
  • Plastic and Metal Bonding: Supports nylon, ABS, polycarbonate, and metal assemblies.

Applications

Applications include sealing and bonding of nylon, ABS, polycarbonate, other supported plastics, and metals.

Product Family

PERMABOND MT3821

Catalog Product

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
AppearanceAppearance
Black / Charcoal Black
Component SystemComponent System
Two (Epoxy Resin / Polyamine based Hardener)
Mix RatioMix Ratio
2:1 by volume
Pot LifePot Life
10-20 minutes
Specific GravitySpecific Gravity
1.3 / 1.7
Other Properties
Maximum gap fillMaximum gap fill
5 mm
Storage TemperatureStorage Temperature
5-25 °C
Mechanical Properties
ElongationElongation
100-150 %
Peel StrengthPeel Strength
140-160 N/25mm

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