expanSil™ FDA

FDA-compliant silicone sponge extrusions designed for food, beverage, and pharmaceutical sealing applications

expanSil™ FDA is a food-grade, closed-cell silicone sponge extrusion family formulated for applications that require direct food contact compliance. Through our preferred supplier relationship, SRP helps customers identify the right FDA grade and source the material for food processing, beverage, and pharmaceutical sealing applications.

Designed for hygienic environments, expanSil FDA provides reliable sealing performance across a wide temperature range along with excellent resistance to ozone, UV, and weathering. It is a strong fit for applications that need food-contact compliance, low compression set, and dependable long-term sealing performance.

Why Choose expanSil™ FDA

expanSil FDA combines closed-cell silicone sponge sealing performance with the compliance requirements needed for food, beverage, and pharmaceutical applications. It is a strong fit when hygienic processing, direct food contact, and long-term sealing reliability are key material-selection factors.

• FDA-compliant, food-grade closed-cell silicone sponge extrusion family
• Approved for direct food contact
• Operating temperature range from -60°C to 230°C (-76°F to 446°F)
• Excellent resistance to ozone, UV, and environmental exposure
• Low compression set for long-term sealing performance
• Meets BfR XV and EC 1935/2004 food-contact requirements
• Low water absorption (<5%)
• Available in multiple densities to meet sealing force requirements
• Offered as tubes, cords, profiles, strips, and sections
• Available with pressure-sensitive adhesive (PSA), joined rings, and gaskets

Common Applications for expanSil™ FDA

expanSil FDA is commonly considered for applications that need dependable closed-cell sealing performance in hygienic environments where food-contact compliance is required.

• Food processing machinery gaskets and seals
• Beverage processing equipment
• Pharmaceutical sealing applications
• Thermal insulation for liquid pipelines
• Gap filling and vibration dampening in hygienic environments
• Applications requiring FDA-compliant silicone sponge materials

Available FDA Grades

expanSil FDA is available in multiple grades to support different density and sealing-force requirements. Review the options below to find the best fit for your application.

Data Sheets

expanSil™ FDA350

expanSil™ FDA MEDIUM

Need Help Sourcing the Right expanSil™ FDA Grade?

Tell us about your application, operating temperature, sealing geometry, food-contact requirements, environmental exposure, and any current material or part number you are replacing. SRP can help narrow the right FDA grade and support the sourcing process through our preferred supplier.

Share your application details, performance requirements, existing part information, or a drawing, and our team will review your request and follow up with next steps.

Helpful details to include: application, temperature range, food-contact requirement, sealing force, environmental exposure, desired format, existing grade, or drawing.