Loctite EA M-31CL Epoxy Adhesive

USD 133.83

Medical-grade, two-part, low-viscosity clear epoxy adhesive with 30-min work life and ISO 10993 biocompatibility, offering high structural peel/impact strength.

SKU Loctite-EAM-31CL-50ML Category
Top Brands > Loctite

Loctite EA M-31CL Clear Epoxy Adhesive

Model Identifier EA M-31CL
Official Part Number 235021
GTIN Standard 079340306738

Technical Overview

Medical-grade, two-part, low-viscosity clear epoxy adhesive with 30-min work life and ISO 10993 biocompatibility, offering high structural peel/impact strength.

Key Features

  • Approved for disposable medical device assembly (tested to Henkel's protocols based on ISO-10993 biocompatibility)
  • Ultra-clear, highly flexible bondline provides excellent optical clarity
  • Low-viscosity formula allows for easy application, small potting, staking, and laminating
  • Fully cured epoxy is highly resistant to a wide range of chemicals and solvents
  • Exceptional impact resistance with minimal shrinkage upon cure
  • Bonds multiple substrates, including glass, optical fibers, ceramics, metals, and rigid plastics

ISO-10993 medical biocompatibility combined with excellent optical clarity and structural strength.

Technical Specification Matrix

ParameterValue
TechnologyEpoxy
Components2-Part (Resin & Hardener)
Color (Mixed)Ultra Clear
Mix Ratio (by Volume)2 : 1
Mix Ratio (by Weight)100 : 46
Working Life30 minutes
Tack Free Time160 minutes
Specific Gravity (Mixed)1.07
Shear Strength21.4 N/mm²
Tensile Strength55.2 N/mm²
Glass Transition Temperature (Tg)70 °C
Elongation at Break8%
Biocompatibility CertificationISO-10993 Approved
Physical Weight (kg)0.06
Dimensions L x W x H (cm)0 x 0 x 0

Industrial Applications

1. Biocompatible Catheter Assembly

Perfect for bonding and sealing polyurethane, PVC, and stainless steel micro-components in disposable medical devices like catheters.

Problem Solved

Ensures leak-free micro-joints with excellent flexible structural integrity while meeting strict ISO-10993 biocompatibility requirements.

ISO-10993biocompatibleflexible bondlinelow viscositydisposable medical devices

2. Endoscopic Fiber Optic Assembly

Provides high optical clarity bonding for fiber optic bundles inside precision medical endoscopes and diagnostic tools.

Problem Solved

Prevents optical signal distortion through an ultra-clear, low-shrinkage bond line while providing resistance to chemical sterilization cycles.

optical clarityfiber opticschemical resistanceultra-clear bondlinelow shrinkage

3. Diagnostic Sensor Potting

Used for small potting and sealing of delicate electronic diagnostic sensor modules that undergo medical sterilizations.

Problem Solved

Offers high electrical insulation properties (dielectric strength) and protects fragile connections from thermal stresses and moisture ingress.

small pottingelectrical insulatingdimensional stabilityroom temperature curing
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