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LSR vs HCR Silicone: Key Differences for Custom Silicone Parts

LSR vs HCR Silicone: Key Differences for Custom Silicone Parts

Choosing between LSR and HCR silicone is not simply a matter of deciding whether liquid or solid silicone is “better.” Both belong to the silicone elastomer family, and both can be engineered into high-performance molded components such as seals, gaskets, diaphragms, O-rings, bellows and other technical parts. The major difference appears before and during manufacturing.

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