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Silicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. Stoppers can be steam sterilized at 15 lbs. pressure. Broad working temperature range of –62 to 232°C (–80 to 450°F). Durometer hardness ~50. Item # Stopper Size Top Diameter Bottom Dimeter Pack Size UNSST00 00 15mm 10mm 12 UNSST0 0 17mm 13mm 12 UNSST1 1 19mm 14mm 12 UNSST2 2 20mm 16mm 12 UNSST3 3 24mm 18mm 12 UNSST4 4 26mm 20mm 12 UNSST5 5 27mm 23mm 12 UNSST5A 5½ 28mm 24mm 12 UNSST6 6 32mm 26mm 12 UNSST6A 6½ 34mm 27mm 12 UNSST7 7 37mm 30mm 12 UNSST7A 7½ 39mm 31mm 12 UNSST8 8 41mm 33mm 12
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🇺🇸 Ship from USA · On Agora since 2024
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