With the recent closing of the Rubatex manufacturing facility, Stockwell Elastomerics can offer alternatives manufactured to ASTM D-1056 specifications when Rubatex stock is depleted. Alternate materials shown below. Closed Cell Rubber PDF# Material Manu-facturer Polymer Density (lb/ft³) Compress-ion Resistance (psi) ASTM 1056-00 ASTM 1056-67 Description 601 G-231-N no alternate available Rubatex Neoprene 10 - 20 2 - 5 2C1 SCE-41 Molded sheet, high elongation and tensile 602 G-207-N no alternate available Rubatex Neoprene 15 - 30 5 - 13 2C2, 2C3 SCE-42 Molded sheet, skin one side, low compression set 603A R-411-N see alternate below Rubatex Neoprene 10 - 16 2 - 5 2C1 SCE-41 UL94HF1, 100% neoprene, soft 603B 4119-N ANR Neoprene 7 - 13 2 - 5 2C1 SCE-41 UL94HF1, 100% neoprene, soft 604A R-425-N see alternate below Rubatex Neoprene 12 - 20 5 - 9 2C2 SCE-42 UL Gasket, 100% neoprene, medium 604B 4219-NEU ANR Neoprene 8 - 14 5 - 9 2C2 SCE-42 UL Gasket, 100% neoprene, medium 605A R-431-N see alternate below Rubatex Neoprene 18 - 28 9 - 13 2C3 SCE-43 UL94HF1, 100% neoprene, medium/firm 605B 4319-N ANR Neoprene 12 - 20 9 - 13 2C3 SCE-43 100% neoprene, medium/firm 606 R-451-N no alternate available Rubatex Neoprene 22 - 35 17 - 24 2C5 SCE-45 UL94HF1, 100% neoprene, firm 607A R-421-N see alternate below Rubatex Neoprene / EPDM / SBR 7 - 11 2 - 5 2A1 SCE-41 Inexpensive, ideal for weatherstrip 607B SCE41B Rubberlite / Hypur-cel Neoprene / EPDM / SBR 4 - 8 2 - 5 2A1 SCE-41 Inexpensive, ideal for weatherstrip 608A R-471-E see alternate below Rubatex Epichloro-hydrin (ECH) 10 - 20 2 - 5 2B1 SBE-41 High temperature and oil resistant 608B 4110-ECH ANR Epichloro-hydrin (ECH) 10 - 20 2 - 5 2B1 SBE-41 High temperature and oil resistant 609 R-4503-T currently in stock, no alternate available Rubatex EPDM / Butyl 9 - 12 3 - 7 2A1, 2A2 RE-41, RE-42 Semi-conductive for ESD protection 610A R-495-T see alternate below Rubatex EPDM 10 - 15 2 - 5 2A1 RE-41 Weather and age resistant 610B 4135-E ANR EPDM 9 - 14 2 - 5 2A1 RE-41 Weather and age resistant

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