Chem-Set RTV4500 100% Silicone – Standard Colors

Description

Chem-Set™ RTV4500 is a 100% acetoxy RTV silicone sealant designed for superior durability, weather resistance, and compliance with food-safe standards. Used across industrial, construction, and commercial applications, it offers proven performance in even the harshest environments.

Certified to NSF 51 and FDA 21 CFR 177.2600, RTV4500 is safe for incidental food contact and delivers long-term reliability in both indoor and outdoor conditions. Its non-sag formula makes it ideal for vertical and overhead joints, and its wide operating temperature range makes it a trusted choice from cold storage to high-temp equipment.

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See Why Silicone Quality Matters

Don’t be fooled by cheap sealants. Learn how to spot premium-grade silicone.

Video Highlights:

• The difference between 100% Silicone and filler-extended formulations

• How to avoid deceptive net fill practices

• A simple DIY “Silicone Float Test” for verifying quality

• Recommended products for contractors and pros

Ideal for: DIYers, fabricators, contractors, and professionals who want reliable results without failures or callbacks.

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Available Colors

Chem-Set RTV4500 is available in 8 core colors designed to blend seamlessly in architectural, countertop, appliance, and metal cladding applications.

Stocked Colors:

• Clear

• White

• Translucent White

• Cameo

• Aluminum

• Almond

• Gray

• Bronze

Interested in more matched finish options?

See our Specialty Translucent Colors Collection

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Key Features & Benefits

• 100% acetoxy RTV silicone – solvent-free, no shrinkage

• NSF 51 and FDA 21 CFR 177.2600 compliant

• Mold, mildew, and UV resistant

• Non-sag for overhead and vertical applications

• Maintains performance from -70°F to 400°F (450°F intermittent)

• Excellent ±25% joint movement capability

• VOC compliant (23 g/L)

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Common Applications

• Commercial kitchen and foodservice sealing

• RV and trailer fabrication

• Walk-in freezer panels

• HVAC systems and ductwork

• Countertop and backsplash installations

• Appliance and equipment bonding

• Bathroom, shower, and tile sealing

• Industrial gasketing and telecom enclosures

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Technical Specifications

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Certifications & Compliance

• NSF Standard 51

• FDA 21 CFR 177.2600

• ASTM C920 Class 25, Type S, Grade NS

• TT-S-00230C, TT-S-01543A

• MIL-A-46106A

• UL Recognized

• VOC Compliant

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Substrate Compatibility

• Glass, aluminum, steel, stainless

• Marble, granite, ceramic, tile, porcelain

• Wood, fiberglass, PVC, most plastics

• Painted and coated surfaces

Note: Always test unlisted or specialty substrates before full-scale use.

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Packaging & Ordering

Packaging Formats:

• 10.2 oz cartridges

• Squeeze tubes

• Bulk: pails, drums, sausages available upon request

📦 Custom Colors: Available with minimum order requirements
📞 Need assistance? Call 800-220-1966 or email [email protected]

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Explore More

• Silicone & Caulk Collection

• Translucent Silicone Colors