The Seal & Design Inc. Difference for Mass Transit Products
Seal & Design Inc. supplies your elastomer/rubber components for Mass Transit railcar needs:
- Built to the highest standards for the ultimate in quality.
- Rigorously tested to meet the toughest of safety requirements.
- Delivered on schedule to keep your job on track.
- Materials comply to flame smoke & toxicity (FST) requirements.

What Sets Seal & Design Inc. Apart From Other Rubber Parts Manufacturers for the Mass Transit Industry?
On-Time Delivery
We get you what you need, when you need it!
Stringent Testing Requirements
- NFPA 130 Table 8.4.1 & 49CFR238 Appendix B for Elastomers
- ASTM E162, E662, C1166, E1354
- Bombardier SMP800-C
- Boeing BSS7239
Customer-Based Services
- Die Cutting
- Slitting - custom tape/roll widths
- Fabrication
- Molding
- Extruding
- Kitting of Parts
Top-Tier Materials
- Solid neoprene
- Closed-cell neoprene
- Armaflex products
- Silicone in Solid, open-cell, closed-cell, sponge & foam
- Molded items (MTO)
- Extruding items (MTO)
- Items with or without adhesive backing
Time-Tested
We have been providing quality for over a hundred and fifty years