Section 878.4015 - Wound dressing with poly (diallyl dimethyl ammonium chloride) (pDADMAC) additive(a)Identification. A wound dressing with pDADMAC additive is intended for use as a primary dressing for exuding wounds, 1st and 2d degree burns, and surgical wounds, to secure and prevent movement of a primary dressing, and as a wound packing.(b)Classification. Class II (special controls). The special control is: the FDA guidance document entitled "Class II Special Controls Guidance Document: Wound Dressing With Poly (Diallyl Dimethyl Ammonium Chloride) (pDADMAC) Additive." See § 878.1(e) for availability of this guidance document. 74 FR 53167 , Oct. 16, 2009