Affinity Hydroactive Impression Material Vinylpolysiloxane Fast Set Refill Light Body High Flow 2/Package. Enhanced hydrophilicity for excellent performance in the presence of moisture, especially with subgingival preparations. Matched fluid states between the tray and wash materials better capture the preparation site. 100% cure to a dense supportive state, which translates to higher tear strength and dimensional stability. The blend between Affinity Light Body and Affinity Heavy Body or InFlex is perfect every time. Affinity Light Body HF available in regular set for multiple impressions and fast set for single preparations