LOCTITE® HHD 3542™ is a reactive polyurethane hotmelt adhesive designed for robotic dispensing. It has a long open time, solidifies quickly for good initial strength, and undergoes secondary moisture cure for enhanced durability. Once fully cured, it does not remelt.
| Property | Value |
|---|---|
| Uncured Properties | |
| Specific Gravity @ 25°C | 1.1 |
| Viscosity (Brookfield, 100°C) | 3,500 – 7,500 mPa.s |
| Flash Point | See SDS |
| Curing Characteristics | |
| Open Time @ 25°C (1mm bead) | < 4 minutes |
| Application Temperature | 90 – 110°C |
| Cured Properties | |
| Glass Transition Temperature (Tg) | -39°C |
| Coefficient of Thermal Expansion (Pre Tg) | 130 x 10⁻⁶ K⁻¹ |
| Coefficient of Thermal Expansion (Post Tg) | 340 x 10⁻⁶ K⁻¹ |
| Hardness (Shore D) | 30 |
| Thermal Conductivity | 0.21 W/(m.K) |
| Elongation at Break | 860% |
| Tensile Modulus | 91 N/mm² (13,225 psi) |
| Tensile Strength | >8 N/mm² (>1,225 psi) |
| Electrical Properties | |
| Dielectric Constant (1,000 KHz) | 3.48 |
| Test | Substrate | Strength (N/mm² / psi) |
|---|---|---|
| Lap Shear Strength | Anodized Aluminum | 7.2 / 1,045 |
| PC/ABS | 4.8 / 695 | |
| Cross Bond Tensile Loading Strength | Anodized Aluminum | 4.8 / 695 |
| PC/ABS | 5.8 / 840 |
| Condition | Aluminum (N/mm² / psi) | PC/ABS (N/mm² / psi) |
|---|---|---|
| 85°C / 85% RH (7 days) | 3.9 / 570 | 4.5 / 800 |
| Thermal Cycling | 7.2 / 1,040 | 6.4 / 935 |
| Heat Shock | 6.0 / 865 | 5.3 / 775 |
| Chemical Exposure | Retention of Strength (%) |
|---|---|
| Air (87°C, 500h/1000h) | 150 / 150 |
| Motor Oil (87°C, 500h/1000h) | 115 / 110 |
| Isopropanol (22°C, 500h/1000h) | 90 / 85 |
| Water (22°C, 500h/1000h) | 115 / 150 |
| Water/Glycol (87°C, 500h/1000h) | 130 / 140 |
Advanced Epoxy Adhesive Solutions for Next-Generation UAVs and Drones As UAV and drone technology continues to evolve, manufacturers require adhesive solutions that can withstand demanding
Stronger Bonding. Cleaner Process. Reliable Performance. If you are looking for an adhesive that combines high adhesion strength, flexibility, and electronic safety, 3320-80 is the
Everwide FX219G5 Silicone Potting Compound – high-thermal, UL94 V-0 silicone potting for electronic modules. Compare with Shin-Etsu KET-132 silicone potting.
FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.
Avantek Viet Nam is a dynamic MRO, direct materials and equipment supplier that brings advanced technological solutions to maximize satisfaction of customers.
We are expert in import and export of adhesives, accessories and equipment in both domestic and cosmetic industrial fields, production and technology research and development.
Our solutions promise to bring best optimal effectiveness along with competitive prices, excellent customer services, dedicated on-site support.
Office address: The Verosa Park, 39 street 10, Quarter 2, Long truong Ward, Ho Chi Minh City, Viet Nam
Website: avantek.vn
Email 1: info@avantek.vn
Email 2: long.pham@avantek.vn
Tel: (+84) 944 415 762
Copyright © AVANTEK VN CO., LTD
Leave your information or contact via Hotline, our Customer Support Technical team will contact you immediately!
