ASI 388  Electronic Grade Silicone - Clear - 2.8 oz  ASI 388 Electronic Grade Silicone is a professional-grade, one-component RTV silicone sealant and adhesive specifically formulated for electrical and electronic applications. It cures at room temperature when exposed to moisture, forming a tough, durable, and permanently flexible silicone rubber. The product shown is the 2.8 fl. oz. squeeze-tube version of ASI 388. Its non-corrosive, electronic-grade formulation is designed to protect sensitive electrical and electronic components from moisture and environmental exposure while maintaining excellent electrical insulating properties. Key Features Electronic Grade Silicone: Specifically formulated for electrical and electronic production, assembly, sealing, and protection. Non-Corrosive: The curing system is designed to protect corrosion-sensitive materials such as copper, brass, and silver. 100% Silicone: Forms a durable, flexible rubber after curing. Excellent Electrical Properties: Provides high surface resistivity and strong dielectric performance. Moisture Protection: Helps protect electronic components and assemblies from moisture and water exposure. Low Odor: The neutral-cure formulation is suitable for applications where minimizing objectionable curing odors is important. Flexible After Curing: Produces a permanently flexible seal that can accommodate movement and environmental changes. Chemical Resistance: Provides resistance to certain chemicals, depending on exposure conditions. Heat & Cold Resistant: Designed for continuous service from -70°F to 400°F (-57°C to 204°C), with intermittent exposure up to approximately 450°F. Non-Slump: Maintains its position after application, making it suitable for sealing and bonding applications where controlled placement is important. UL Recognized: Listed under UL File No. E209770. VOC Compliant: Meets the manufacturer's stated VOC compliance requirements. Applications ASI 388 is particularly suited to applications where electronic components need to be sealed, insulated, bonded, encapsulated, or protected from moisture and environmental conditions. Common applications include: Sealing electronic assemblies Circuit board protection Waterproofing electronic components Electrical connection sealing Component mounting Lead-wire entry sealing Electronic encapsulation Telecommunications equipment Coaxial cable connectors Electrical and electronic assemblies Engine components General industrial applications It can bond to a variety of substrates, including glass, aluminum, steel, most metals, fiberglass, PVC, vinyl, rubber, painted surfaces, natural and synthetic fibers, and some plastics. Because substrate formulations can differ, testing on the intended surface is recommended before production use.

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ASI 388 Electronic Grade Silicone - Clear - 10.2 oz Cartridge Advanced Silicone Protection, Sealing & Encapsulation for Electronic Applications ASI 388 Electronic Grade RTV Silicone is a one-part, moisture-curing RTV silicone sealant specifically formulated for bonding, sealing, encapsulating and protecting electronic and electrical components. Its non-corrosive curing system makes it particularly suitable for applications involving corrosion-sensitive materials such as copper, brass and silver. Once cured, ASI 388 forms a tough, durable and permanently flexible silicone rubber that provides reliable protection against moisture and environmental conditions while maintaining consistent electrical properties. The formulation is designed for applications where dependable insulation, sealing and component protection are required. Key Features Electronic Grade RTV Silicone One-Part, Moisture-Curing Formulation Non-Corrosive Curing System Excellent electrical and dielectric properties High electrical insulation performance Resistant to electrical tracking Protects against moisture and environmental exposure Tough, durable and permanently flexible after curing Excellent for bonding, sealing and encapsulation Good resistance to selected chemicals Excellent adhesion to a wide range of substrates Suitable for heat and cold exposure UL Recognized – File No. E209770 VOC compliant according to the manufacturer's technical data Designed for demanding electronic, electrical and industrial applications Ideal Applications ASI 388 is specifically suited for applications where electronic and electrical components require reliable sealing, insulation, bonding or environmental protection. Common applications include: Electronic component protection Circuit board protection Electronic encapsulation Sealing electronic assemblies Waterproofing electronic components Electrical connection sealing Component mounting Lead-wire entry sealing Coaxial cable connector sealing Telecommunications equipment Electrical assemblies Engine components General industrial applications Bonding and sealing sensitive electronic components Advanced Electrical Protection One of the main advantages of ASI 388 is its suitability for electronic and electrical applications. The cured silicone provides strong electrical insulating properties and maintains its electrical characteristics even when exposed to changes in temperature and humidity. This makes it useful for protecting components from moisture and other environmental variables. The non-corrosive curing system is especially important when working around sensitive electrical materials. ASI 388 is formulated to help protect corrosion-sensitive components while providing a durable silicone barrier. Durable Flexible Silicone Seal After curing, ASI 388 forms a flexible rubber material capable of maintaining its performance across a broad service temperature range. The manufacturer's technical data specifies a continuous service temperature range of -70°F to 400°F (-57°C to 204°C), with intermittent exposure up to 450°F noted in the technical documentation. The material also offers strong elongation and flexibility, helping it accommodate movement and vibration in electronic and industrial assemblies. Wide Substrate Compatibility ASI 388 can bond to a broad selection of common materials, including: Glass Aluminum Steel Other metals Fiberglass PVC Vinyl Rubber Porous surfaces Painted surfaces Some plastics Natural and synthetic fibers Because substrate formulations and surface conditions can vary, the manufacturer recommends testing adhesion on the specific substrate before use.

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ASI 502 Silicone Sealant 100% RTV - Clear - 10.2 oz Squeeze Tube Product Description ASI 502 High Performance 100% RTV Silicone is a professional-grade, one-component silicone sealant designed for demanding industrial, commercial, construction, HVAC, appliance, marine, and general sealing applications. Formulated as a 100% acetoxy RTV silicone, ASI 502 cures through exposure to moisture in the air to form a durable, permanently flexible silicone rubber. Its formulation provides excellent resistance to weathering, UV degradation, mold and mildew, extreme temperatures, and long-term environmental exposure. ASI 502 is a non-sag formulation, allowing it to be applied to both vertical and overhead joints without running or slumping. It also provides approximately 25% joint movement capability, making it suitable for applications where the sealed joint may experience movement or changing environmental conditions. The product is supplied in the 10.2 fl. oz. cartridge format shown, making it suitable for application with a standard caulking gun. Key Features 100% Acetoxy RTV Silicone High-performance industrial-grade sealant One-component formulation — no mixing required Moisture-cure technology Creates a durable, waterproof seal Permanently flexible after curing Approximately 25% joint movement capability Non-sag formulation for vertical and overhead applications Resistant to mold and mildew Resistant to UV degradation and weathering Withstands extreme cold and high temperatures Suitable for indoor and outdoor applications Solvent-free formulation Does not shrink or crack under normal application conditions Adheres to many common substrates NSF Standard 51 compliant for applicable food-contact sealing uses UL Recognized VOC compliant at the manufacturer's stated test level Recommended Applications ASI 502 is designed for a broad range of commercial, industrial, construction, and maintenance applications, including: HVAC and ductwork Plumbing applications Bathroom installation and sealing Countertop installation and sealing Sanitary seals Appliance manufacturing Refrigeration units Walk-in freezer manufacturing and installation Sheet metal work Formed-in-place gasket applications Industrial manufacturing Marine applications RV and trailer manufacturing Telecommunications, including coaxial cable connectors General sealing and bonding Waterproofing applications Common Bonding Substrates ASI 502 can adhere to a wide range of commonly used materials, including: Glass Metal Steel Aluminum Ceramic Porcelain Tile PVC Fiberglass Granite Marble Most types of wood Some plastics Solid-surface countertops Most painted surfaces Important: Substrate compatibility can vary depending on the specific material, surface treatment, and application. Testing the product on the intended substrate before full-scale application is recommended by the manufacturer.

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ASI 509 Aquarium Silicone Sealant - BLACK- 10.2 Fluid oz Cartridge Product Description ASI 509 Aquarium Safe 100% RTV Silicone is a professional-grade, one-component RTV silicone sealant specifically designed for aquarium manufacturing, assembly, repair, and other applications requiring a durable, waterproof, permanently flexible seal. Formulated as 100% RTV silicone, ASI 509 cures into a durable rubber that is safe for aquatic life when properly cured. Its excellent clarity and strong adhesion to properly prepared glass make it particularly well suited for aquarium construction and repair. The thick, non-sag formulation also allows the sealant to be applied effectively to vertical and overhead surfaces. The silicone can be used in both freshwater and saltwater aquariums and is designed to create a reliable waterproof seal that maintains flexibility over time. It is also suitable for applications involving aquarium filters, glass viewing panels, terrariums, and related manufacturing or repair work. Key Features 100% RTV Silicone Aquatic Life Safe when fully cured Designed specifically for aquarium manufacturing and repair Suitable for freshwater and saltwater aquariums Excellent adhesion to properly prepared glass Excellent clarity for clean-looking aquarium seams Creates a durable, waterproof seal Permanently flexible after curing Non-sag formulation for vertical and overhead applications One-component formulation — no mixing required Resistant to long-term degradation and yellowing Suitable for aquarium and terrarium applications Recommended Applications ASI 509 is particularly suitable for: Aquarium manufacturing Aquarium repair and resealing Glass aquarium seams Aquarium filter sealing and bonding Glass viewing panels Terrarium manufacturing and repair Waterproof bonding and sealing applications Applications requiring a flexible, durable silicone seal

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Terrarium manufacturing Terrarium repair Aquatic display structures Glass panels exposed to water Other glass sealing applications where aquatic-life-safe silicone is required ASI Aquarium Silicone Sealant - Clear - 10.2 Fluid oz Cartridge Product Description ASI® Aquarium Sealant is a high-performance 100% RTV silicone sealant specifically formulated for aquarium manufacturing, aquarium repair, and other applications requiring a durable, waterproof and aquatic-life-safe silicone seal. Designed by American Sealants, Inc., this one-part silicone cures into a flexible rubber seal with excellent tensile strength, elongation and tear resistance. It provides strong adhesion to properly prepared glass surfaces without requiring a primer, making it particularly suitable for aquarium construction and repair applications. ASI Aquarium Sealant can be used for both freshwater and saltwater aquariums. Once fully cured, the silicone forms a durable waterproof seal designed to withstand continuous water exposure while remaining flexible and resistant to degradation and yellowing. Its thick, non-slump consistency allows the sealant to remain in place when applied to vertical surfaces, helping create clean and controlled silicone seams during aquarium assembly and repair. Key Features 100% RTV silicone sealant Specifically formulated for aquarium applications Aquatic-life safe once fully cured Suitable for freshwater and saltwater aquariums Excellent adhesion to glass Primerless adhesion to properly prepared glass Creates a durable, waterproof seal High tensile strength High elongation and tear resistance Flexible after curing Resistant to long-term degradation Non-yellowing Thick, non-slump formulation Suitable for vertical applications One-part, ready-to-use formulation Excellent clarity for clean-looking glass seams Suitable for aquarium manufacturing and repair Applications ASI Aquarium Sealant is specifically designed for applications where a durable, permanently flexible and water-resistant silicone bond or seal is required. Aquarium Applications Aquarium manufacturing Aquarium repair Glass aquarium seams Aquarium leak repair Glass viewing panels Aquarium filter sealing Sump construction and repair Aquarium filtration components Custom aquarium fabrication Other Aquatic Applications Terrarium manufacturing Terrarium repair Aquatic display structures Glass panels exposed to water Other glass sealing applications where aquatic-life-safe silicone is required

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ASI 502 Silicone Sealant 100% RTV -Black - 2.8 oz Squeeze Tube Reliable Sealing, Bonding & Protection for Demanding Applications ASI 502 is a high-performance 100% RTV silicone sealant designed to provide durable sealing and bonding performance across a wide range of applications. Its one-component, moisture-curing formulation creates a flexible rubber seal that offers excellent resistance to weathering, UV degradation, temperature extremes, mold, and mildew. The product is suitable for both interior and exterior applications and can be applied to vertical and overhead joints without sagging. It adheres to many common substrates and is designed for long-term performance in demanding environments. Key Features 100% RTV Silicone Formulation One-Component & Moisture Curing High-Performance Sealing & Bonding Resistant to Mold & Mildew Resistant to UV Degradation & Weathering Withstands Extreme Cold and Heat Flexible formulation with 25% joint movement capability Suitable for Interior & Exterior Applications Adheres to many common building materials Can be applied to vertical and overhead joints Available in a convenient squeeze tube format Meets MIL 46106B Type 1 requirements Meets NSF Standard 51 requirements Complies with FDA Regulation 21 CFR 177.2600 for applicable food-contact applications Ideal Applications ASI 502 is designed for applications where a durable, flexible and weather-resistant silicone seal is required. It can be used for sealing and bonding applications involving a variety of common substrates. Recommended application areas include: General industrial sealing Equipment assembly and repair Glass and metal sealing Interior and exterior joints Electrical and electronic applications where appropriate Manufacturing and maintenance applications Food-equipment related applications where the applicable regulatory requirements are met General repair and maintenance projects

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ASI 502 Silicone Sealant 100% RTV  -White - 2.8 oz Squeeze Tube ASI 502 High Performance 100% RTV Silicone is a one-component, moisture-curing RTV silicone designed for demanding commercial, industrial, construction, HVAC, appliance, plumbing, refrigeration, and general sealing applications. Once cured, it forms a durable and flexible silicone rubber that provides long-term resistance to weathering and environmental exposure. The product shown is the 2.8 fl. oz. squeeze-tube version. This package is particularly convenient for controlled application, small repairs, maintenance work, sealing joints, and applications where a caulking cartridge is unnecessary. ASI lists the 2.8 oz squeeze tube as one of its standard package formats for ASI 502. Key Features 100% RTV Silicone: Forms a durable silicone rubber after moisture curing. One-Component Formula: Ready to use without mixing or additional additives. High Performance: Designed for demanding commercial, industrial, construction, and maintenance applications. Excellent Flexibility: Maintains flexibility after curing and accommodates movement in sealed joints. Non-Slump: Can be applied to vertical and overhead surfaces without flowing or sagging. Weather Resistant: Provides excellent resistance to weathering, including ozone and ultraviolet exposure. Freeze-Thaw Resistant: Designed to withstand repeated environmental temperature changes. Mold & Mildew Resistant: The product formulation is resistant to mold and mildew. Long-Term Durability: Designed for durable sealing performance in demanding environments. Strong Adhesion: Cured silicone adheres well to glass, metal, porcelain, ceramic, wood, most plastics, and other nonporous substrates. Wide Service Temperature Range: Approximately -70°F to 400°F (-57°C to 204°C), with intermittent exposure up to approximately 450°F. Applications ASI 502 is designed for a broad range of professional sealing and adhesive applications, including: Industrial equipment Construction applications HVAC systems Plumbing Kitchen and bathroom sealing Appliance manufacturing Refrigeration equipment Walk-in freezers Sheet-metal applications Countertops Sanitary seals Trailers Telecommunications equipment Coaxial cable connectors Engine components Formed-in-place gaskets General waterproofing and sealing Appliance trim and component sealing Its combination of flexibility, adhesion, weather resistance, and temperature resistance makes it suitable for applications where a durable silicone seal is required.

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ASI Silicone Sealant 100% RTV -Clear - 2.8 oz Squeeze Tube ASI 502 is a high-performance, one-component 100% RTV silicone sealant designed for demanding sealing, bonding, and waterproofing applications. Its moisture-cure formulation forms a durable and flexible silicone rubber that provides excellent resistance to weathering, UV exposure, temperature extremes, mold, and mildew. The product shown is the ASI 502 squeeze-tube version, making it convenient for controlled application where precise dispensing is required. It is formulated for both interior and exterior applications and adheres to many common substrates, including glass, metal, ceramic, porcelain, wood, and various plastics. Key Features 100% RTV Silicone: Moisture-curing silicone formulation designed for durable, long-term sealing. High Performance: Provides strong adhesion and remains flexible after curing. Mold & Mildew Resistant: Designed to resist mold and mildew growth. Weather & UV Resistant: Suitable for applications exposed to outdoor conditions, UV radiation, and weathering. Wide Temperature Range: Service temperature range of approximately -70°F to 400°F (-57°C to 204°C). Non-Slump Formula: Can be applied to vertical and overhead joints without sagging during application. Waterproof Sealing: Forms a durable, water-resistant seal after curing. Indoor & Outdoor Use: Suitable for a broad range of industrial, construction, automotive, marine, and general sealing applications. Long-Term Durability: Designed to resist cracking, weathering, and environmental degradation. Applications ASI 502 can be used for a variety of professional sealing and bonding applications, including: Industrial equipment and assemblies Construction and building applications Glass and metal sealing Automotive applications Marine applications HVAC and equipment assemblies Countertops and other nonporous surfaces Interior and exterior joints Waterproof sealing applications The formulation is particularly useful where a combination of flexibility, adhesion, weather resistance, and temperature resistance is required.

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