Technical Data
176
Red Natural / 40 Pros: Good reseal characteristics. Cons: Contains dry natural rubber. Not good for use with solvents, not appropriate for products that require an inert gas blanket. Red Natural / 40S Pros: Good reseal characteristics. Cons: Contains dry natural rubber. Not good for use with solvents, not appropriate for products that require an inert gas blanket. B C D Red Natural / 45 Pros: Good reseal characteristics. Cons: Contains dry natural rubber. Not good for use with solvents, not appropriate for products that require an inert gas blanket. Red Natural / 45S Pros: Good reseal characteristics. Cons: Contains dry natural rubber. Not good for use with solvents, not appropriate for products that require an inert gas blanket. B C D Natural Silicone / 55 Pros: Good for high heat applications, can withstand multiple steam autoclaves. Cons: Very poor barrier to gas and vapor transmission, not appropriate for products that require an inert gas blanket. B C B C B C
Meets the requirements for Type I closures as specified in USP<381> and EP 3.2.9
A
Can be steam autoclaved at 121 degrees C
B
Can be irradiated at 25 kGy
C
Siliconized
D
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