Premier XtraBond 250 Anti-Microbial Acetoxy Silicone Sealant, Clear

Premier XtraBond 250 is a one-component, 100% acetoxy silicone sealant designed for adhesion, permanent flexibility and mildew-resistant performance in commercial and residential applications.

Premier Building Solutions XtraBond 250 features an anti-microbial, mildew-resistant formulation and is designed to adhere to a variety of substrates while remaining permanently flexible after curing. Its non-sag consistency supports vertical applications, while its gunning and tooling characteristics make it suitable for a range of sealing projects.

According to the supplied product information, XtraBond 250 meets NSF Standard 51 requirements for direct food contact and FDA Regulation 21 CFR 177.2600 for incidental food contact. Applications include kitchens, bathrooms, cultured marble installations, walk-in coolers, commercial freezers, food preparation areas, industrial facilities and marine environments.

Typical Applications

• Walk-in coolers
• Commercial freezers
• Cultured marble installations
• Kitchens
• Bathrooms
• Countertops
• Industrial facilities
• Marine environments
• Food preparation areas
• General construction sealing

Advantages

• 100% acetoxy silicone formulation
• Anti-microbial, mildew-resistant formulation
• Designed for adhesion to a variety of substrates
• Permanently flexible after curing
• Non-sag formula for vertical applications
• Consistent gunning and tooling characteristics
• Approved for cultured marble applications according to the supplied product information
• NSF Standard 51 listed for direct food contact according to the supplied product information
• FDA compliant for incidental food contact according to the supplied product information
• Service temperature range from -76°F to 450°F
• 18-month shelf life when properly stored

Specifications

• Brand: Premier Building Solutions
• Product: XtraBond 250 Anti-Microbial Acetoxy Silicone Sealant
• Color: Clear
• Container Size: 10.1 fl. oz. cartridge
• Sealant Type: 100% acetoxy silicone
• Paintable: No
• Tack-Free Time: 20 minutes
• Skin Time: 12 minutes
• Cure Rate: 1/4-inch bead per 24 hours
• Movement Capability: ±25%
• Elongation at Break: 550%
• Tensile Strength: 205 PSI
• Shore A Hardness: 20 ±5
• Shrinkage: 4%
• Application Temperature: -31°F to 149°F
• Service Temperature: -76°F to 450°F
• VOC Content: 2.97%
• Shelf Life: 18 months

Compatible Materials

• Cultured marble
• Glass
• Ceramic tile
• Porcelain
• Aluminum
• Stainless steel
• Many common construction materials

Industry Certifications & Standards

According to the supplied product information, XtraBond 250 meets or carries the following certifications and standards:

• ASTM C920, Type S, Grade NS, Class 25
• FDA Regulation 21 CFR 177.2600 - Incidental Food Contact
• NSF Standard 51 - Direct Food Contact
• UL Recognized - QMFZ2
• California Air Resources Board VOC Compliant
• TT-S-01543A Class A
• TT-S-00230C
• CAN/CGSB-19.13-M87
• MIL-A-6106A

Frequently Asked Questions

Where can XtraBond 250 be used?

The supplied product information lists kitchens, bathrooms, cultured marble installations, walk-in coolers, commercial freezers, industrial facilities, marine environments, food preparation areas and general construction sealing applications.

Is XtraBond 250 approved for food-contact applications?

According to the supplied product information, XtraBond 250 meets NSF Standard 51 for direct food contact and FDA Regulation 21 CFR 177.2600 for incidental food contact.

Can XtraBond 250 be painted?

No. The supplied specifications identify XtraBond 250 as non-paintable.

How much movement can the cured sealant accommodate?

The listed movement capability is ±25%, with 550% elongation at break.

How quickly does XtraBond 250 cure?

The supplied specifications list a skin time of 12 minutes, a tack-free time of 20 minutes and a cure rate of approximately 1/4 inch per 24 hours.

What temperature range can the cured sealant handle?

The listed service temperature range is -76°F to 450°F. The listed application temperature range is -31°F to 149°F.

What size cartridge is supplied?

This clear XtraBond 250 sealant is supplied in a 10.1 fl. oz. cartridge.

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