Pulpdent Kool-Dam kit is a heatless liquid dam and block out resin material. Apply it on gingiva or tooth surfaces prior to power bleaching, sandblasting, or other procedures requiring intraoral protection. Product Features: Stays cool during curing (light curable). Does NOT run. Remains flexible. Stacks on itself smoothly and evenly. Moisture friendly. Adheres to models for making bleaching trays. Can repair tears in rubber dams. Pulpdent Kool-Dam kit dispenses from a syringe using a small applicator tip for precise placement. Easily removes afterwards. Power Bleaching: protects the gingival during power bleaching procedures. Block-out Resin: blocks out undercuts and gingival embrasures prior to taking impressions for crowns and bridges. Sandblasting: mask and protect the gingiva during sandblasting. Also placed on the areas of the teeth to be masked during the sandblasting process. Kit Includes: (2) 3 mL syringes and (20) applicator tips. SDS Sheet (PDF) Instructions (PDF) SHIPPING: If out of stock, please allow 7-10 business days for handling time. ETA currently unavailable for 21-M177. Please contact customer support for more information - 1-800-331-7993.