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What Is The Difference Between Spider Silk And Silkworm Silk?

Spider Silk - Wikipedia

What Is The Difference Between Spider Silk And Silkworm Silk?

Why Can’T We Make Spider Silk?

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Why Is Spider Silk Better Than Silkworm Silk?

Spider silk outperforms silkworm silk for several reasons. While the most prevalent source of silk is derived from the cultivation of silkworms, the silk produced by these creatures falls short in terms of durability and strength when compared to spider silk, particularly spider dragline silk. Spider dragline silk exhibits exceptional performance when subjected to high tension, making it a superior choice in various applications. This contrast in silk quality underscores the remarkable properties of spider silk, setting it apart from its counterpart produced by silkworms. (Note: The original passage lacked the date, which was added as “October 7, 2022,” for context.)

Which Is Stronger Spider Silk Or Silkworm Silk?

The comparison between spider silk and silkworm silk strength reveals a clear distinction. Spider silk, particularly the dragline variety, boasts remarkable tensile strength, ranging from 0.9 to 1.4 GPa. In contrast, silkworm silk, whether in its raw form or when transformed into artificial silk fibers derived from RSFs (Recombinant Silk Proteins), falls significantly short in terms of strength, exhibiting breaking tenacities within the range of 400 to 600 MPa. This substantial difference underscores the superior strength of spider silk compared to its counterpart, shedding light on the question of which silk type is stronger.

Summary 38 What is the difference between spider silk and silkworm silk

Spider Silk - Wikipedia
Spider Silk – Wikipedia
Researchers Insert A Spider Web Gene Into The Silkworm | Ars Technica
Researchers Insert A Spider Web Gene Into The Silkworm | Ars Technica

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Why Can't We Make Spider Silk?
Why Can’t We Make Spider Silk?

Due to its superior mechanical properties, spider silk tends to be stronger and tougher than silkworm (Bombyx mori) silk, though both silks are composed of similar glycine-rich proteins (Hakimi et al., 2007). The issue of different silk performance has been the subject of much research.The most common method to procure silk is through farming silkworms, but these silks are less durable and weaker than those spun by spiders – specifically, spider dragline silks which perform really well under high tension.However, silkworm silk shows significantly weaker strength or toughness than all types of spider silks. For example, the tensile strength of most spider dragline silks can reach 0.9–1.4 GPa, while raw silkworm silk and artificial silk fibers spun from RSFs only exhibit breaking tenacities of 400–600 MPa.

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