Envirolak Envirothane 300 Clear Urethane Sealer

Envirothane 300 Clear Urethane Sealer | SKU: ELSEAL300

The Envirolak Envirothane 300 Clear Urethane Sealer is a "water-white" one-component clear sealer engineered for professional wood finishing applications where color retention is critical. This non-yellowing, waterborne urethane locks in the natural beauty of wood while providing a solid foundation for subsequent topcoat layers.

Key Features

• "Water-white" clarity — will not yellow or amber over time
• One-component (1K) urethane — easy to use, no mixing required
• Excellent sealing properties — promotes superior topcoat adhesion
• Tintable for color-toned sealer coats
• Fast drying for efficient production workflows
• Low VOC, waterborne formula — safe for professional spray environments

Ideal Applications

The Envirothane 300 Sealer is ideal as a first coat under Envirolak clear topcoats on cabinets, furniture, hardwood floors, and interior wood trim. It is especially recommended when working with light-colored or blonde woods where yellowing must be avoided.

Application Methods

Apply by spray. Sand lightly after sealer coat has fully cured before applying topcoat. See the Envirolak technical data sheet for proper dilution, dry times, and topcoat compatibility.

Have questions or need help choosing the right Envirolak product? Please call our Industrial team at 401-522-9938 to place your order directly and ensure you get all the correct products.