2026-06-01
The Hardness Sweet Spot: Selecting the Right Shore A Rating for Battery Module Potting
When engineering a BESS container, selecting the right hardness for your structural potting compound is a delicate balancing act. If the material cures into a rigid structure that is too hard, it will restrict the natural volumetric expansion (breathing) of lithium-ion cells during heavy cycling, potentially damaging internal cell geometry. Conversely, if the compound is too soft, it won't provide enough physical support to lock heavy cells in place against transit vibrations.
Engineering the Ideal Elastomer:
Hanast bridges this gap by formulating addition-cure silicone elastomers tailored specifically to the
Shore A 30 to 60 hardness sweet spot. Once fully cross-linked, these compounds deliver high structural cohesion to firmly stabilize multi-ton battery banks. Simultaneously, they maintain low elasticity modulus and high elongation behavior. This structural flexibility allows the cured rubber to cushion internal components and smoothly absorb cell expansion forces without micro-cracking, tearing, or delaminating from the module walls.
Target Keywords for SEO: Độ cứng Shore A (Shore A hardness), Co giãn cell pin (Cell expansion), Ổn định cấu trúc BESS (BESS structural stability), Keo silicone Hanast.
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