CRL Clear RTV408 Neutral Cure Silicone - Cartridge

Brand

CRL

Cartridge Contents

10.3 oz. (305 ml)

Case Quantity

30

Finish/Color

Clear

Shelf Life

12 Months

Shop CRL RTV408 Clear Neutral Cure Silicone Sealant Cartridge – Industrial-Grade for Glazing & Construction

Key Benefits:

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

Product Description:
CRL RTV408 is a premium, industrial and construction-grade neutral cure silicone sealant. Designed with a medium modulus and 100% silicone formula, it cures to a durable, flexible rubber when exposed to moisture. This high-performance sealant adheres without primer to surfaces such as aluminum, stainless steel, rigid PVC, phenolic resin, glass, ceramic, and most plastics — making it an ideal choice for a wide range of professional sealing and glazing applications.

Primary Applications:

• Insulating and standard glass glazing
• Curtainwall joints
• Sealing vinyl, steel, and aluminum windows
• Skylights
• Electrical insulation and vehicles (automotive, marine, aircraft)
• Sanitary equipment and tile joints

Performance Features:

• Weather-resistant, mildew-resistant, and non-corrosive
• Withstands temperature extremes from -65°F to 400°F (-54°C to 204°C)
• Can be applied at temperatures as low as -20°F (-29°C)
• Flexible and crack-resistant
• Ideal for indoor and outdoor use

Technical Specifications:

• Meets/exceeds: TT-S-001543A (Class A), TT-S-00230C (Class A), ASTM C-920, CAN/CGSB 19.13-M87
• AAMA Certified: 802.3-10 Type II, 803.3-10 Type I, 808.3-10
• VOC Compliant (CARB 2003 Requirements)
• LEED Qualifying Product

Packaging Details:

• 10.3 fl. oz. (304 ml) cartridges
• 30 cartridges per case / 1440 per pallet
• Each cartridge features a 4" screw-on nozzle, trimmable for custom bead sizes

Comparable Products:

• Dap® Titanium®
• Dow Corning® 799
• GE® Contractors-N 1800
• OSI® VP-275
• Novagard® Novaflex
• Pecora® 896
• Tremco® Tremsil 600
• Sika® SikaSil®-N Plus

Limitations:
Not for use in:

• Concrete/stone expansion joints
• Submerged or structural marine applications
• Horizontal decks or driveways
• Food contact or potable water areas
• Mirrors, PMMA, PE, PP, or wax/paraffin-coated surfaces

Warranty:

• 20-Year Limited Warranty
• Remains flexible for at least 10 years when applied correctly under normal conditions

Important Note:
This sealant is not suitable for poorly ventilated areas without UV exposure. Yellowing may occur due to chemical fumes or surfactants during cure.

Shop Now – CRL RTV408 Clear Neutral Cure Silicone
Get long-lasting, professional-grade performance for your construction and glazing needs with CRL RTV408. Weather-resistant, non-corrosive, and compatible with most materials, it’s the clear choice for industry pros.

Brochures & Literature

RTV408 LEED Certification

Installation Instructions

CRL Sealant Basic Uses and Limitations

Safety Data Sheets

Industrial and Construction RTV Silicone Safety Data Sheet

Specifications

LEED Statement

Sealant Requirement Estimator Chart

Specifications rtv408.pdf