UL Approved Industrial Adhesives
Last Updated: April 1, 2025
Description
UL Approved Industrial Adhesives are specialized bonding agents that have been certified by Underwriters Laboratories (UL) for meeting specific safety and performance standards. These adhesives are designed to create strong, durable bonds between various materials, ensuring reliability and safety in industrial applications.
Working Principle
Industrial adhesives work by creating a chemical bond between surfaces, which can be achieved through various mechanisms such as curing, evaporation, or pressure. These adhesives are useful because they provide a seamless bond that can distribute stress evenly across the bonded surfaces, enhancing the structural integrity of the assembly. This makes them particularly valuable in applications where traditional mechanical fasteners might fail or be impractical.
Applications
UL Approved Industrial Adhesives are used in a wide range of applications. For example, epoxy adhesives are commonly employed in the aerospace industry for bonding metals and composites due to their high strength and chemical resistance . In the electronics industry, silicone adhesives are used for their excellent resistance to high temperatures and chemicals . Additionally, acrylic adhesives are often utilized in the signage industry for their clear bonding capabilities and resistance to UV radiation .
Advantages over other Industrial Adhesives
One of the key advantages of UL Approved Industrial Adhesives is their certification, which assures users of their safety and performance standards. These adhesives often provide enhanced durability and strength, resistance to harsh environmental conditions, and reduced need for maintenance and repairs . They also offer design flexibility and improved aesthetics by eliminating the need for visible fasteners .
Limitations
Despite their advantages, industrial adhesives have limitations. They may require specific conditions for curing, such as temperature and humidity control, which can complicate the manufacturing process. Additionally, the bond strength can be affected by the surface preparation of the materials being bonded, necessitating careful handling and preparation.
Considerations
When selecting UL Approved Industrial Adhesives, several factors should be considered. Initial costs can vary depending on the type of adhesive and its specific properties. Operating expenses may include the need for specialized equipment or environmental controls during application and curing. Durability is generally high, but the longevity of the bond can depend on the specific environmental conditions and materials involved. Maintenance costs are typically lower compared to mechanical fasteners, but replacement and repair can be more complex if the bond fails. It is crucial to evaluate these factors in the context of the specific application to ensure optimal performance and cost-effectiveness.
from ELANTAS North America LLC
Trickle resin system for impregnation or protective overcoat [See More]
- Features: High Dielectric; UL Rating
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from CHT USA Inc.
CHT ’s AS1803 is a white, non-corrosive, neutral cure 1-part RTV silicone adhesive sealant. This product will not corrode copper or its alloys and is designed for use with electronic components. It is part of CHT's range of Acetone cure products which are all solvent free. It features a fast... [See More]
- Features: Flame Retardant; UL Rating
- Cure / Technology: Single Component; Acetone
- Chemical System: Silicone
- Industry: Automotive; Electronics
from Master Bond, Inc.
Featuring superb electrical insulation properties, MasterSil 156 is a two component, moderate viscosity silicone system for high performance potting, encapsulation and sealing. It combines high temperature resistance, flexibility, low shrinkage upon cure and thermal conductivity exceeding 8-9 BTU... [See More]
- Features: High Dielectric; Encapsulant, Potting Compound; Flame Retardant; Leveling Filling; Non-corrosive; Sealant; Thermally Conductive; UL Rating
- Composition: Unfilled
- Chemical System: Silicone
- Cure / Technology: Thermoset; Two Component
from CHT USA Inc.
CHT's AS1707 is a 1-part, alkoxy cured, thermally conductive, low volatile, RTV silicone adhesive paste. AS1707 is formulated to meet the requirements for use as a space grade adhesive. AS1707 has low thermal outgassing properties and a wide operational temperature range. In addition to meeting... [See More]
- Features: Flame Retardant; Thermally Conductive; UL Rating
- Cure / Technology: Single Component; Alkoxy
- Chemical System: Silicone
- Industry: Automotive; Electronics
from Master Bond, Inc.
Featuring a non-halogenated filler, EP21FRNS-2 is a two component, room temperature curing epoxy offering low smoke generation for potting, encapsulating and casting applications. As per the UL 94V-0 specification, this system is serviceable over the wide temperature range of -60 °F to 200... [See More]
- Features: High Dielectric; Encapsulant, Potting Compound; Flame Retardant; Leveling Filling; Non-corrosive; Thermal Insulation; UL Rating
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component ; Room Temperature Vulcanizing or Curing
from Master Bond, Inc.
Master Bond EP41S-6 is a two part epoxy system that meets UL 1203. Meeting this standard allows EP41S-6 to be used in conjunction with electrical equipment that needs to be labeled as explosion proof and or dust ignition proof. [See More]
- Features: High Dielectric; Flame Retardant; Non-corrosive; Sealant; Thermally Conductive; UL Rating
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component ; Room Temperature Vulcanizing or Curing
from Henkel Corporation - Industrial
Sprayable or extrudable hotmelt adhesive with exceptionally long open time which forms strong bonds having good heat-resistance. TECHNOMELT ® AS 3210 (known as DORUS MS 3210 HOTMELT) is an off-white sprayable or extrudable hotmelt adhesive with exceptionally long open time which forms strong... [See More]
- Features: UL Rating
- Substrate Compatibility: Ceramic, Glass; Plastic; Textiles or Fabrics
- Cure / Technology: Single Component
- Viscosity: 10000
from Protavic America, Inc.
The two component polyurethane compound described in this data sheet is specifically designed for the encapsulation by casting of completed circuit board. The cured material meets the flammability requirements of UL 94, V-O at thickness of 0.070 in. and greater (UL File Number E116296) and provides... [See More]
- Features: Flexible; High Dielectric; Encapsulant, Potting Compound; Flame Retardant; Thermal Insulation; UL Rating
- Composition: Filled
- Chemical System: Polyurethane
- Cure / Technology: Thermoset; Two Component
from Henkel Corporation - Electronics
Henkel's TECHNOMELT product family is diverse and versatile. No matter the application or market, there is a TECHNOMELT material for you. Despite containing features specific to particular applications, all TECHNOMELT materials provide the same common benefits, including watertight encapsulation,... [See More]
- Features: High Dielectric; Encapsulant, Potting Compound; Thermally Conductive; UL Rating
- Cure / Technology: Thermoplastic / Hot Melt; Single Component
- Chemical System: Polyolefin
- Type / Form: Pellets
from Techsil Limited
Techsil ® EP21480 is a two part epoxy resin systems that cures at room temperature to a high gloss black finish. It is flame retardant and thermally conductive. This resin system is slightly flexible to allow for thermal fluctuations and is suitable for the encapsulation of PCB's and general... [See More]
- Features: UL Rating
- Cure / Technology: Thermoset
- Chemical System: Epoxy
from R. S. Hughes Company, Inc.
Aquence Dorus white PL 0857 water-based adhesive is compatible with wood materials. Perfect for construction applications. [See More]
- Features: UL Rating
- Viscosity: 300
- Type / Form: Liquid
from DuPont Electronics & Imaging
DuPont ™ Pyralux ® HT bonding film can be used in conjunction with Pyralux ® AP to create a complete all-polyimide flex laminate system that includes a double-sided, copper-clad laminate and a unique all-polyimide coverfilm or bonding material that becomes a flexible coverlay after... [See More]
- Features: Encapsulant, Potting Compound; UL Rating
- Type / Form: Sheet or Film
- Chemical System: Polyimide
- Industry: Electronics; OEM or Industrial
from GAF
Description. MATRIX ™ 102 SBS Membrane Adhesive is an asbestos free, fiber reinforced rubberized adhesive with a bonding strength designed specifically for cold applied modified bitumen membranes. All SURE GRIP ™ adhesives have exclusive technology with superior bonding strength and high... [See More]
- Features: Flexible; UL Rating
- Type / Form: Liquid
- Cure / Technology: Air Setting / Film Drying; Single Component
- Substrate Compatibility: Concrete, Masonry
from Novagard Solutions
Non-corrosive, single component oxime silicon sealant and/or adhesive [See More]
- Features: High Dielectric; Non-corrosive; Sealant; UL Rating
- Composition: Unfilled
- Chemical System: Elastomeric; Silicone
- Cure / Technology: Thermoset; Single Component; Room Temperature Vulcanizing or Curing
from Henkel Corporation - Industrial
Two part, fast cure silicone system with 5-minute fixture time. LOCTITE ® SI 5600 Silicone Adhesive Sealant is a two part, non-corrosive adhesive / sealant. Itisflexible andfast, with 5-minute fixture time andhigh adhesion. Ideal for potting encapsulating applications. 2-part. Fast cure. [See More]
- Features: Sealant; UL Rating
- Tensile (Break): 250
- Use Temperature: 40 to 450
from Protavic America, Inc.
PTS-46303 A/B ™ is a two-component silicone encapsulant designed for encapsulation by casting of completed circuit boards, hybrid circuits, and power supplies, where flexibility, reparability, thermal conductivity, and high temperature resistance are required. Possible applications include... [See More]
- Features: Flexible; Electrically Conductive; Encapsulant, Potting Compound; Flame Retardant; Thermally Conductive; UL Rating
- Composition: Filled
- Chemical System: Silicone
- Cure / Technology: Thermoset; Two Component
from GAF
Description. Matrix ™ 103 Cold Process Adhesive is a contractor grade, non-polymer modified asbestos-free formulation for use as a cold-applied bonding agent for organic, fiberglass or polyester fabric Built-Up Roofing (BUR) Systems. In addition, the formulation is non-destructive to asphalt... [See More]
- Features: Flexible; UL Rating
- Type / Form: Liquid
- Cure / Technology: Air Setting / Film Drying; Single Component
- Substrate Compatibility: Ceramic, Glass
from Henkel Corporation - Industrial
2-part, fast, high strength, neutral cure alkoxy silicone paste adhesive suitable for structural bracket and clip bonding. LOCTITE ® SI 5604 is a black, gray or almond-colored, 2-part, fast, high strength, neutral cure alkoxy silicone paste adhesive designed for bonding applications. It... [See More]
- Features: UL Rating
- Cure / Technology: Two Component
- Chemical System: Silicone
- Use Temperature: 40 to 450
from GAF
Description. MATRIX ™ 307 Premium Asphalt Primer is a general purpose, asbestos-free foundation coating for all types of asphalt-based roofing materials, e.g., hot-mopped or cold-applied asphalt coatings, roof cements, and asphalt-based roof and flooring adhesives. MATRIX ™ 307 has an... [See More]
- Features: Flexible; UL Rating
- Type / Form: Liquid
- Cure / Technology: Air Setting / Film Drying; Single Component
- Substrate Compatibility: Metal