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This product extracts collagen from domestic healthy beef tendon, and uses freeze-drying technology to make collagen sponge. The mass shall not be less than 10mg／cm3；; The collagen sponge strip with tensile performance of 1cm wide is sensitive to the tensile force of 0.6N and does not break for 1min. The water absorbed by the liquid absorbent sample should be not less than 20 times of its own weight; The total protein content should be greater than 90% (m/m) (calculated by dry product).

[Scope of application] This product has the functions of hemostasis, filling and repair, and is suitable for hemostasis, repair of wounds, burns and surgical wounds and filling of residual cavities.

[Model and specification] (unit: mm)

Cylindrical type: φ Φ10x25, φ Φ10x20, φ Φ10x15, φ Φ7x15, φ 7-12x15, φ 5-8x15.