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H.B. Fuller Tonsan® 1522 – Two-component silicone adhesive for fast room-temperature bonding of metals, plastics, and glass

Item Name: 1522
Manufacturer: H.B. Fuller
Technologies: Two-component silicone adhesive
Color: White
Cure Type: Room temperature cure
Package Size: Contact to Techniq VN for details.
Shelf Life: 6 months

1. Product Overview

1522 is a two-component silicone adhesive that cures at room temperature, providing high bond strength on a variety of substrates. It is particularly suitable for sealing and bonding PV modules. The adhesive offers excellent deep-section cure, electrical performance, and resistance to environmental factors such as UV, rain, and hail.

Key Highlights:

  • Type: Silicone Adhesive

  • Components: Two-Part

  • Cure: Room Temperature (23±2°C, 50±5% RH for 7 days)

  • Appearance: White Paste

  • Fast curing and suitable for automated dispensing

  • Shelf Life: 6 months (unopened, stored in a cool, dry area)

  • High electrical and weather resistance


2. Applications

  • Bonding and sealing metals, plastics, and glass

  • Photovoltaic (PV) modules sealing and bonding

  • Suitable for automated dispensing processes

  • Ideal for outdoor applications due to UV and weather resistance

General Instructions:

  1. Surfaces must be clean and free of flux, residues, dust, or contaminants.

  2. Mix parts A and B using a specific machine.

  3. Complete assembly within the working time.

  4. Remove excess adhesive after clean-up time.

  5. Store in unopened containers at room temperature.

3. Typical Properties

Property Value Method/Condition
Appearance White Paste
Base Silicone
Volumetric Mix Ratio 10:1
Weight Mix Ratio 12.2:1
Mixed Density 1.29 g/cm³ GB/T 13354
Flash Point >93°C GB/T 5208
Working Time 10 min GB/T 5208
Clean-up Time 30 min GB/T 5208
Hardness 41 Shore A GB/T 531
Tensile Strength 2.4 MPa GB/T 528
Elongation at Break 200% GB/T 528
Lap Shear Strength (Al-Al) 1.3 MPa GB/T 7124
Tensile Strength (Al-Glass) 1.1 MPa GB/T 13477
Thermal Service Range -50 to 200°C
Volume Resistivity 4.0×10¹⁴ Ω·cm GB/T 1692
Breakdown Strength 20 kV/mm GB/T 1695
Damp-Heat Aging (85°C, 85% RH, 1000h) Hardness 32 Shore A GB/T 531
Damp-Heat Aging (Tensile Strength) 1.8 MPa GB/T 528
Damp-Heat Aging (Elongation) 180% GB/T 528
Damp-Heat Aging (Lap Shear Al-Al) 1.0 MPa GB/T 7124
Damp-Heat Aging (Tensile Al-Glass) 1.0 MPa GB/T 13477

BERGQUIST microTIM mTIM 1028 Thermal Interface Coating High performance thermal management solution for nickel finished heat sinks, optical transceivers, and data center liquid cooling systems

BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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