3M™ Promogran Prisma™ Collagen Matrix with ORC and Silver is comprised of a sterile freeze-dried composite of 44% oxidized regenerated cellulose (ORC), 55% collagen and 1% silver—ORC with 25% w/w ionically bound silver (0.017 mg/sq cm total silver).
3M™ Fibracol™ Plus Collagen Wound Dressing with Alginate combines the structural support of collagen with the exudate management of alginate. 90% collagen and 10% alginate.