CRL RTV408C Clear RTV408 Neutral Cure Silicone Cartridge

CRL RTV408C Clear RTV408 Neutral Cure Silicone Cartridge

C.R. Laurence RTV408 Clear RTV408 Neutral Cure Silicone - Cartridge offers unparalleled performance for a variety of glazing applications. This industrial-grade, medium modulus silicone sealant cures to a durable, flexible rubber upon exposure to moisture, making it ideal for insulating glass glazing and other construction needs. Its unique neutral cure formula ensures excellent adhesion to aluminum, stainless steel, glass, and most plastics without the need for a primer, simplifying the application process. With a low odor and non-corrosive properties, RTV408 is safe for use on sensitive materials, including tiles and sanitary equipment. It remains flexible and resistant to cracking in extreme temperatures ranging from -65°F to 400°F, ensuring long-lasting performance in diverse environments. This sealant is particularly suited for sealing curtainwall joints, windows, and skylights, as well as applications in vehicles and marine settings. The innovative screw-on nozzle design allows for precise application, while the 10.3-ounce cartridge provides a manageable size for both professionals and knowledgeable homeowners. RTV408 meets or exceeds various federal specifications and qualifies for LEED credit, making it an environmentally conscious choice. With a 20-year limited warranty, this silicone sealant promises reliability and enduring flexibility when applied correctly.

Clear RTV408 Neutral Cure Silicone - Cartridge

• Compatible for Insulating Glass Glazing
• Excellent Adhesion to Most Surfaces
• Low Odor, Non-Acetic Cure Formula

CRL RTV408 Industrial and Construction Silicone is a neutral cure, medium modulus, 100% Silicone Sealant that cures to a tough, flexible rubber when exposed to moisture. RTV408 features primerless adhesion to: aluminum, stainless steel, most plastics, rigid PVC (vinyl), phenolic resin, glass, ceramic, and most reflective-coated glasses. All surfaces must be properly cleaned and the sealant tooled for good adhesion. Cat. No. S1L2100 Primer may be required for these and other substrates as well. Review crlaurence.com/sealants-technical for our Sealant Guidelines to Good Glazing.

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BASIC USES: Its fast cure time and easy tooling make it ideal for many in-house production applications; and it is non-corrosive to most building materials such as glass (including insulating glass), tiles, and sanitary equipment. It seals curtainwall joints; vinyl, steel and aluminum windows; and skylights. It is also used in vehicles, ships, aircraft, as well as for electrical insulation. This silicone does not cause corrosion in contact with metals. It is suitable for alkaline materials such as mortar and cement, and other applications where metal corrosion could be a problem. CRL RTV408 stays flexible and is resistant to cracking or becoming brittle in a wide range of temperatures approximately -65° to 400°F (-54° to 204°C). It can be applied at outdoor temperatures as low as -20°F (-29°C), provided that surfaces are clean, dry and frost-free, or on surfaces as high as 100°F (38°C). RTV408W and RTV408T contain a fungicide, and the cured sealant is mildew resistant.

All CRL Silicone Sealant cartridges are packed with innovative Screw-On Nozzles, offering you a greater yield per tube. They are 4" (102 mm) long, and tapered so you can trim the nozzle to exactly the bead size you need. To order additional nozzles, specify Cat. No. S1LN0Z.

LIMITATIONS: It is not recommended for concrete and stone expansion joints; horizontal decks, patios, driveway or terrace joints where abrasion or physical abuse is encountered; sealing submerged joints, particularly where porous surfaces permit water infiltration to the bond surface; interior or exterior structural sealing below the waterline in marine applications; structural glazing; food contact or potable water applications; mirrors. Check cartridge label and Specification Data Sheet for additional limitations.

Technical Data: Meets or exceeds Federal Specifications: TT-S-001543A (COM-NBS) Class A, for silicone building sealants; TT-S-00230C (COM-NBS) Class A, for one-component silicone sealants; ASTM C-920 for elastomeric joint sealants, Type S, Grade NS, Class 25, Use NT, G, A and O; CAN/CGSB 19.13-M87. AAMA 802.3-10 Type II, 803.3-10 Type I, and 808.3-10. Meets California Air Resources Board 2003 requirements for Volatile Organic Compound (VOC) content. Qualifies for LEED (Leadership in Energy and Environmental Design) credit.

Comparable Sealants:
Dap: Titanium®. Dow Corning® 799, Contractors Weatherproofing, Vinyl Window, Siding & Door. GE®: 2800 Silglaze II, Contractors-N 1800. OSI: VP-275. Novagard®: Novaflex. Pecora®: 896. Tremco®: Tremsil 600. Somaca: 55NC.
Sika®: SikaSil®-N Plus.

Packaging: 30 - 10.3 fluid ounce cartridges packed per case, 1440 per pallet. Press-in hand holes in each case for easier lifting. "WHMIS" Safety Label on each cartridge and case.

Warranty: CRL RTV408 Industrial and Construction Silicone has a 20 year limited warranty. Once it is applied and thoroughly set up, it is warranted to stay flexible for at least ten years, if properly applied and used under normal conditions.


Product Warning:

Not recommended for Aquariums, PMMA, PE, PP, bituminous surfaces and wax or paraffin containing surfaces. Application in poorly ventilated areas which are not exposed to UV light may lead to yellowing this can also occur when in contact with chemical fumes as surfactants, especially during curing.

Resources

• CRL Sealant Basic Uses and Limitations
• Industrial and Construction RTV Silicone Safety Data Sheet
• LEED Statement
• RTV408 LEED Certification
• Sealant Requirement Estimator Chart
• Specifications rtv408.pdf