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DOWSIL™ HVAC/R Sealant is the versatile solution for effortlessly bonding to various surfaces such as glass, plastic, metal, painted surfaces, fiberglass, and ceramic. The sealant can be used to seal refrigerator and air conditioner interiors, around electrical boxes, and joints in food, dairy, and beverage/coolers/display units. The HVAC/R sealant’s airtight seal is also perfect for outdoor vents, pipe openings, and electrical penetrations.


  • Cures to 100% silicone rubber

  • Tack-free in 15-20 minutes

  • Resistant to sunlight and weather extremes

  • Meets FDA Reg 21 CFR 177.2600, NSF Standard 51, and UL Listed

  • Remains flexible; will not become brittle, crack, shrink, or chalk


  • 4045031, 305 mL, Aluminum, 12 / 1296

  • 4128471, 305 mL, Black, 12 / 1296

  • 4045032, 305 mL, Clear, 12 / 1296

  • 4045033, 305 mL, White, 12 1296

To order DOWSIL™ HVAC/R Sealant call 270-765-2212 or email

Unleash the power of our one-of-a-kind blend, meticulously crafted with a combination of oils and petroleum-based additives. Experience the benefits of enhanced lubricity and thermal stability, transforming any hydraulic oil into a high-performing fluid. This exceptional product serves as an excellent preventative maintenance solution, extending the life of your pumps, rams, seals, and overall hydraulic system.


  • Designed for and unsurpassed at correcting existing problems

  • Treat rate for preventative maintenance is only 5-10%

  • Anti-foam agents present


  • 10019, 1 Quart, Case of 12

  • 10018, 1 Gal, Case of 4

  • 10039, 5 Gal Pail, Case of 12

  • 10040, 55 Gal Drum, 1 Case

  • 11123, 330 Gal Tote, 1 Case

To order Lucas Oil Hydraulic Oil Booster & Stop Leak call 270-765-2212 or email

LENTEK™ Insulating Foam Sealants provide a cost-effective solution for sealing and insulating gaps, offering long-lasting, triple-expanding foam that effectively eliminates airflow and enhances energy efficiency. These high-quality foam sealants adhere to various surfaces, making them ideal for insulating gaps and cracks in different materials. The professional-grade sealant can be easily sanded, painted, and stained, allowing for seamless integration with any project.


  • Triple expanding to fill, seal, and insulate gaps and cracks

  • Long-lasting, airtight, and weather-resistant seal

  • Helps keep insects, moisture/condensation, and allergens out

  • Adheres to wood, metal, masonry, glass, and most common building materials

  • Interior/exterior use

  • UL classified


  • 2299120, 12 OZ Straw Can, Tan, 12 / 768

To order LENTEK™ Insulating Foam Sealant call 270-765-2212 or email

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