Seymour Duramix™ Automotive Rigid Plastic Repair Material Product Details

Seymour Duramix™ Automotive Rigid Plastic Repair Material is a two-component repair material and adhesive for professional work on rigid and semi-rigid parts. It bonds, rebuilds, sands cleanly, and featheredges easily on properly prepared substrates, including SMC, TPO, rigid plastic bumper covers, fiberglass, steel, and aluminum.

Designed for collision repair, our high-performance formula helps technicians restore damaged parts and prep the area for refinishing. It’s non-shrinking and doesn’t pinhole, helping create a clean, stable surface. Once cured, it sands easily and can be painted in just 10 to 20 minutes to keep work moving.

Built for Rigid & Semi-Rigid Plastic Repair

Duramix™ Rigid Plastic Repair Material is excellent for repairing and rebuilding rigid and semi-rigid automotive parts. It can be used on properly prepared rigid plastics, bumper covers, fiberglass, SMC, TPO, steel, and aluminum.

• Repairing cracks, splits, and other damage in rigid and semi-rigid plastic components
• Bonding and rebuilding damaged bumper covers and rigid trim pieces
• Repairing fiberglass, SMC, and FRP panels
• Filling and resurfacing damaged areas before refinishing

Repair Workflow & Timing

Duramix™ Rigid Plastic Repair Material helps keep collision repair work moving without sacrificing quality. The 5 to 10 minute work time gives technicians room to shape the repair, while the 10 to 20 minute sandable and paintable window helps reduce downtime.

Features & Specifications

• Sands and featheredges easily
• Non-shrinking
• Doesn’t pinhole
• Contains no VOCs
• Mixing Ratio: 1:1
• Work Time: 5–10 minutes
• Handling Time: 10–15 minutes
• Sandable: 10–20 minutes
• Paintable: 10–20 minutes
• Full Cure: 6–8 hours
• For professional use only

Substrates

Duramix™ Rigid Plastic Repair Material may be used on properly prepared:

• TPO
• PP
• TSOP
• PUR
• Urethane
• Fiberglass
• SMC
• FRP
• Steel
• Aluminum

Important: Polyethylene cannot be repaired with Duramix™ Rigid Plastic Repair Material, even when used with a plastic adhesion promoter.

Application Notes

• Store in a cool, dry location at a temperature between 50°F and 86°F.
• Always clean, prep, and dry the repair area before application.
• Follow OEM repair procedures when applicable.
• Refer to the Safety Data Sheet and product label for safe use, handling, and disposal instructions.