# \#aearo-technologies
**URL:** https://forum.digikey.com/tag/aearo-technologies/2841.md
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## [Aearo Technologies LLCの熱可塑性ワッシャ B-531-1 と B-531-2 の違い](https://forum.digikey.com/t/aearo-technologies-llc-b-531-1-b-531-2/39828)
**Author:** [@Tsuneharu\_Fuji](https://forum.digikey.com/u/Tsuneharu_Fuji)\
**Replies:** 0\
**Last updated:** [March 21, 2024, 1:12pm UTC](https://forum.digikey.com/t/aearo-technologies-llc-b-531-1-b-531-2/39828 "2024-03-21T13:12:20Z")
3MグループAearo Technologies LLCの熱可塑性ワッシャ B-531-1 と B-531-2 の主な違いは、使用されている材料です。 これらの材料は品番体系のサフィックスで示され、材料 C-1002 は「-1」、材料 C-1105 は「-2」、そして材料 C-1100 は「-3 」になります。 つまり B-531-1 は C-1002 でできており、 B-531-2 は C-1105 でできています。 C-1002…
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## [Difference between the thermoplastic washers B-531-1 and B-531-2 from Aearo Technologies LLC](https://forum.digikey.com/t/difference-between-the-thermoplastic-washers-b-531-1-and-b-531-2-from-aearo-technologies-llc/38292)
**Author:** [@abhijeet.sisodia](https://forum.digikey.com/u/abhijeet.sisodia)\
**Replies:** 0\
**Last updated:** [January 26, 2024, 8:39am UTC](https://forum.digikey.com/t/difference-between-the-thermoplastic-washers-b-531-1-and-b-531-2-from-aearo-technologies-llc/38292 "2024-01-26T08:39:07Z")
The primary difference between thermoplastic washers B-531-1 and B-531-2 from Aearo Technologies LLC, a 3M company is the materials used in them. These materials are denoted in the suffix of the product nomenclature, wi…
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## [EAR Isodamp fan mounts](https://forum.digikey.com/t/ear-isodamp-fan-mounts/18688)
**Author:** [@mvstimpson](https://forum.digikey.com/u/mvstimpson)\
**Replies:** 1\
**Last updated:** [December 16, 2021, 9:20pm UTC](https://forum.digikey.com/t/ear-isodamp-fan-mounts/18688 "2021-12-16T21:20:11Z")
Looking for a drawing of the F-339 fan mount? Also, what are the main differences between materials 8002, 8012 and 6050?