Applications

Born2Bond™ Structural

LONG OPEN TIME, TWO-PART, INSTANT ADHESIVE

Manufacturer: Bostik
Package Size: Syringe 10g, 50g
Shelf Life: 12 months

Product Overview

Born2Bond™ Structural is a high-strength, two-part hybrid adhesive with a fast fixture time at room temperature and excellent processability for bond gaps up to 5mm. It provides strong adhesion on both closed substrates (such as aluminum, plastics, and elastomers) and porous materials (such as wood, chipboard, and leather). The formulation is designed for applications requiring mechanical resistance and durability in various environments.


Key Features

  • Fixture time: 30 seconds (varies by substrate)
  • High adhesion strength: >6 MPa after 5 minutes
  • Open time: 25 – 35 minutes
  • Fills gaps up to 5mm
  • Excellent adhesion to multiple substrates
  • Translucent when cured
  • Temperature and humidity resistance
  • Gel consistency for precise application

Applications

  • Structural bonding
  • Magnet bonding
  • Gap filling
  • Glass bonding
  • Elastomer bonding
  • Plastic and metal bonding

Product Characteristics

Property Value
Components 2K
Mix Ratio (A**:B****)** 4:1
Base Technology Ethyl Cyanoacrylate / Methoxyethyl Cyanoacrylate
Appearance/Color Transparent
Gap Filling Capacity 5mm (0.2 in)
Open Time 25 – 35 minutes
Mixer Life 25 – 35 minutes
Temperature Use Range -40°C to 120°C (-40°F to 248°F)
VOC Content – Part A 67 g/L (ISO 11890-2)
VOC Content – Part B 1 g/L (ISO 11890-2)

Uncured Physical Properties

Property Value
Viscosity at 25°C (77°F), Brookfield (cP) (Part A) 100000 – 150000 (@ 1.5 rpm), 4000 – 7000 (@ 50 rpm)
Viscosity at 25°C (77°F), Brookfield (cP) (Part B) 40000 – 80000 (@ 1.5 rpm), 1000 – 3000 (@ 50 rpm)
Specific Gravity (ASTM D1875, 23°C) Part A: 1.06 g/mL, Part B: 1.10 g/mL
Refractive Index, ABBE 1.49 – 1.50

Cured Physical Properties

Property Value
Fixture Time (0.1N/mm²) Stainless Steel: 30 – 90 sec, Aluminum: 15 – 100 sec
Lap Shear Strength (ISO 4587, MPa, after 24 hrs @ RT) Steel: 14 MPa, Aluminum: 12 MPa, ABS: 6 MPa (SF*)
Lap Shear Strength (after 1 week @ RT) Grit-Blasted Steel: 15 MPa
Shore Hardness D (ISO 868-2003) 65
Soft Point – HDT (ASTM E2092-18a) 55°C (131°F)
Tensile Strength (ISO 527) 16 MPa
Elastic Modulus (ISO 527) 800 MPa
Elongation at Break (ISO 527) 17%
Glass Transition Temperature (ISO 6721) 91°C (195.8°F)
Coefficient of Linear Thermal Expansion 60 x 10⁻⁶
Linear Shrinkage (ISO 10563) 11.5%
Water Absorption (after 24 hrs) (ASTM D-542) 1.3%
Impact Resistance (after 24 hrs) (ISO 9653) 26.6 kJ/m²
Electrical Properties of Resistivity (IEC 60093) Surface resistivity DC 500 V: 3.3×10¹⁴ Ohm
Volume resistivity DC 1kV: 4.6×10¹¹ Ohm·m
DC Breakdown Voltage (IEC 60243-2) 93 kV/mm
Dissipation Factor, Dielectric Constant (IEC 60250) D @ 1 kHz: 0.01, k’ @ 1 kHz: 1.96
D @ 1 MHz: 0.01, k’ @ 1 MHz: 1.84

*SF: Substrate failure

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