Automotive Rubber Adhesives and Sealants
Last Updated: February 12, 2025
Description
Automotive rubber adhesives and sealants are specialized products designed to bond and seal rubber components in vehicles. They provide a strong adhesive bond between rubber and various substrates, ensuring that the components remain securely attached. Additionally, these sealants create airtight and watertight seals, preventing the ingress of moisture, dust, and other contaminants.
Working Principle
Rubber adhesives work by forming a chemical bond with the rubber and the substrate it is applied to. During the vulcanization process, the adhesive cures along with the rubber, creating a thermoset bond that is often stronger than the rubber itself. This bond is designed to withstand the same environmental conditions as the rubber, such as exposure to hot oils and salt. Sealants, on the other hand, fill gaps and create barriers that prevent the passage of air and water, enhancing the vehicle's durability and performance.
Applications
Automotive rubber adhesives and sealants are used in a variety of specific applications. They are essential in bonding rubber components like hoses, gaskets, and seals. Sealants are commonly applied in areas such as windows, doors, and sunroofs to prevent water leakage and reduce noise. They are also used in engine compartments for sealing and gasketing applications, ensuring that the engine remains protected from external contaminants.
Advantages over other Rubber Adhesives and Sealants
Rubber adhesives offer several advantages over mechanical fasteners. They provide enhanced sealing and waterproofing capabilities, creating a tight seal that prevents moisture and contaminants from entering the bonded area. This is particularly beneficial in automotive applications where exposure to water or other liquids is common. Additionally, rubber adhesives offer flexibility and resistance to vibration and impact, which are critical in maintaining the integrity of automotive components.
Limitations
One limitation of rubber adhesives is their lower strength and load-bearing capacity compared to mechanical fasteners. While they provide excellent adhesion and sealing, they may not be suitable for applications requiring high strength and load-bearing capabilities. Additionally, the curing process during vulcanization can be complex and may require precise control to ensure optimal bonding.
Considerations
When selecting automotive rubber adhesives and sealants, several factors should be considered. Initial costs can vary depending on the type and quality of the adhesive or sealant. Operating expenses may include the cost of application equipment and the energy required for curing. Durability is a key consideration, as the adhesive must withstand environmental conditions such as heat, moisture, and chemicals. Accuracy in application is crucial to ensure a proper bond and seal. Replacement and maintenance costs should also be considered, as improper application or failure of the adhesive can lead to costly repairs.
from Hernon Manufacturing, Inc.
Silastomer ® 333 is a high performance, single component, ready to use adhesive / sealant. It has a paste-like consistency, which cures to a tough, resilient and durable silicone rubber when exposed to moisture in the air. Since it will not flow of its own weight, Silastomer ® 333 can be... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Military; OEM or Industrial
- Cure / Technology: Single Component
- Chemical System: Silicone
from Master Bond, Inc.
Master Bond X21 is a specially formulated one component system for bonding and priming polyolefinic surfaces. X21 is a very low viscosity( <250 cps) solvent based system that is easy to apply and process. Most often, it is used as a primer to promote adhesion of polyolefinic substrates to other... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Marine; OEM or Industrial; Semiconductors, IC's; Tooling
- Cure / Technology: Thermoset; Single Component
- Composition: Unfilled
- Type / Form: Liquid
from Hernon Manufacturing, Inc.
Silastomer ® 334 is a high performance, single component, ready to use adhesive / sealant. It has a paste-like consistency, which cures to a tough, resilient and durable silicone rubber when exposed to moisture in the air. Since it will not flow of its own weight, Silastomer ® 334 can be... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Military; OEM or Industrial
- Cure / Technology: Single Component
- Chemical System: Silicone
from Master Bond, Inc.
Master Bond X-5 is specially formulated, synthetic elastomer-based, one component adhesive for high performance bonding and sealing. This synthetic elastomer based adhesive bonds well in both shear and peel to similar and dissimilar surfaces including metals, woods, most plastics, ceramics, glass,... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Marine; Military; OEM or Industrial; Semiconductors, IC's; Tooling
- Cure / Technology: Thermoset; Single Component
- Composition: Unfilled
- Type / Form: Liquid
from Hernon Manufacturing, Inc.
Silastomer ® 336 is a high performance, single component, acetoxy, ready to use silicone. It has a paste-like consistency, which cures to a tough, resilient and durable silicone rubber when exposed to moisture in the air. Since it will not flow of its own weight, Silastomer ® 336 can be... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Military; OEM or Industrial
- Cure / Technology: Single Component
- Chemical System: Silicone
from Master Bond, Inc.
Master Bond Polymer System UV19 is a newly developed UV curable, low viscosity optically clear compound specifically designed for high performance laminating, sealing, bonding and coating. This remarkable acrylic based polymer composition can effectively replace conventional heat and/or solvent... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Marine; Military; Optical; Photonics; OEM or Industrial; Semiconductors, IC's; Tooling
- Type / Form: Liquid
- Cure / Technology: Thermoset; UV or Radiation Cured; Single Component
- Features: High Dielectric; Encapsulant, Potting Compound; Laminaes; Leveling Filling; Non-corrosive; Sealant; Thermal Insulation
from Hernon Manufacturing, Inc.
Silastomer ® 343 is a black, high performance, single component, ready to use adhesive / sealant. It has a paste-like consistency, which cures to a tough, resilient and durable silicone rubber when exposed to moisture in the air. Designed to provide excellent oil resistance and can be used as a... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Military; OEM or Industrial
- Cure / Technology: Single Component
- Chemical System: Silicone
from Master Bond, Inc.
Master Bond Polymer System UV15-7SP4 is a new one component, optically clear, toughened UV and/or curable polymer system with extended service capability of -80 °F to +250 °F. It is 100% reactive, does not contain any solvents or other volatiles and does not embrittle even upon exposure to... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Marine; Military; Optical; Photonics; OEM or Industrial; Semiconductors, IC's; Tooling
- Type / Form: Liquid
- Cure / Technology: Thermoset; UV or Radiation Cured; Single Component
- Features: High Dielectric; Encapsulant, Potting Compound; Laminaes; Leveling Filling; Non-corrosive; Sealant; Thermal Insulation
from Hernon Manufacturing, Inc.
Supertacker ® 351 is a single component, high performance elastomeric adhesive that exhibits exceptional bonding characteristics to a broad range of materials including metals, glass, plastic composites, rubber, leather, wood and vinyl. Supertacker ® 351 provides a tough, waterproof bond... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Military; OEM or Industrial
- Cure / Technology: Single Component
- Chemical System: Acrylic; Silicone
from Master Bond, Inc.
Master Bond Polymer System UV15X-5 is a newly developed one component, non-yellowing, UV curable urethane elastomer system possessing high flexibility and outstanding abrasion resistance. This high viscosity system can be used for bonding, sealing, coating and casting. Master Bond UV15X-5 offers... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Marine; Military; Optical; Photonics; OEM or Industrial; Semiconductors, IC's; Tooling
- Type / Form: Liquid
- Cure / Technology: Thermoset; UV or Radiation Cured; Single Component
- Features: Flexible; High Dielectric; Laminaes; Leveling Filling; Non-corrosive; Sealant; Thermal Insulation
from Hernon Manufacturing, Inc.
Supertacker ® 353 is a single component, high performance elastomeric adhesive that exhibits exceptional bonding characteristics to a broad range of materials including metals, glass, plastic composites, rubber, leather, wood and vinyl. Supertacker ® 353 provides a tough, waterproof bond... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Military; OEM or Industrial
- Cure / Technology: Single Component
- Chemical System: Acrylic; Silicone
from Master Bond, Inc.
Master Bond Polymer System UV21 is an easy to use one component UV curable urethane elastomer compound. It has been used for bonding, sealing, casting and formed in place high performance seals and gaskets. The UV21 is a solvent free system and has an excellent six month shelf life at ambient... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Marine; Military; Optical; Photonics; OEM or Industrial; Semiconductors, IC's; Tooling
- Type / Form: Liquid
- Cure / Technology: Thermoset; UV or Radiation Cured; Contact or Pressure Sensitive Adhesives; Single Component
- Features: Flexible; High Dielectric; Laminaes; Leveling Filling; Non-corrosive; Sealant; Thermal Insulation
from Hernon Manufacturing, Inc.
Supertacker ® 357 is a single component, high performance elastomeric adhesive that exhibits exceptional bonding characteristics to a broad range of materials including metals, glass, plastic composites, rubber, leather, wood and vinyl. Supertacker ® 357 provides a tough, waterproof bond... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Military; OEM or Industrial
- Cure / Technology: Single Component
- Chemical System: Acrylic; Silicone
from Master Bond, Inc.
Master Bond UV15FL is a new one component, high strength, low viscosity, flexible UV curable epoxy resin based polymer system for bonding, sealing, & coating with exceptionally high performance properties. It is a 100% reactive and does not contain any solvents or other volatiles. When exposed... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Marine; Military; Optical; Photonics; OEM or Industrial; Semiconductors, IC's; Tooling
- Type / Form: Liquid
- Cure / Technology: Thermoset; UV or Radiation Cured; Single Component
- Features: High Dielectric; Encapsulant, Potting Compound; Laminaes; Leveling Filling; Non-corrosive; Sealant; Thermal Insulation
from Hernon Manufacturing, Inc.
Supertacker ® 67662 is a single component, high performance elastomeric adhesive that exhibits exceptional bonding characteristics to a broad range of materials including metals, glass, plastic composites, rubber, leather, wood and vinyl. Supertacker ® 67662 provides a tough, waterproof... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Military; OEM or Industrial
- Cure / Technology: Single Component
from Master Bond, Inc.
Master Bond X-5TC is an aluminum oxide filled, thermally conductive elastomer-based, one component adhesive for high performance bonding and sealing. This thermally conductive adhesive bonds well in both shear and peel to similar and dissimilar surfaces including metals, woods, most plastics,... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Marine; OEM or Industrial; Semiconductors, IC's; Tooling
- Cure / Technology: Thermoset; Single Component
- Composition: Unfilled; Filled
- Features: Sealant; Thermally Conductive
from Hernon Manufacturing, Inc.
Tuffbond ® 316 is a two component, room temperature cure system. By changing the ratio of resin and hardener, the cured adhesive can change from a tough and flexible to a hard and rigid system. Tuffbond ® 316 is recommended for bonding metal, glass, wood, concrete, and rubber, and can be... [See More]
- Industry: Aerospace; Automotive; Electronics; Electric Power; Military; OEM or Industrial
- Features: Encapsulant, Potting Compound
- Cure / Technology: Two Component ; Room Temperature Vulcanizing or Curing
from Westech Aerosol Corporation
WT-HCC canister is based on the Westech's popular HSC-13 adhesive. It is supplied in a pressurized canister without hydrocarbon propellants so that it can be used with standard pneumatic spray equipment. This permits more flexibility in spray patterns from narrow to broad, fine to coarse pattern as... [See More]
- Industry: Automotive; Marine; Construction; OEM or Industrial
- Cure / Technology: Air Setting / Film Drying; Contact or Pressure Sensitive Adhesives; Single Component
- Composition: Unfilled
- Type / Form: Liquid
from ThreeBond International, Inc.
Electrically Conductive Resins. These Electrically conductive resin can connect multiple electrical contacts simultaneously and make it possible to create an electrical connection in materials that cannot be soldered. They are electro-conductive resins made up of synthetic resin and a conductive... [See More]
- Industry: Automotive; Electronics
- Cure / Technology: Anaerobic
- Composition: Filled
- Type / Form: Liquid
from Wacker Chemical Corp.
WACKER SilGel ® 612 A/B is a pourable, additioncuring, RTV-2 silicone rubber that vulcanizes at room temperature to a very soft silicone gel. Special features. two-part, 1 : 1 mixing ratio. low viscosity. rapid heat cure. very low hardness (silicone gel). crystal clear. pronounced inherent tack. [See More]
- Industry: Automotive; Electronics; Electric Power; Optical
- Cure / Technology: Thermoset; Two Component ; Room Temperature Vulcanizing or Curing
- Chemical System: Silicone
- Type / Form: Liquid