MasterSeal NP 1 - Cartridge and Sausage

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A one-component, high-performance, nonpriming, gun-grade, elastomeric polyurethane sealant. Complies with ASTM C-920, Fed Spec TT-S-00230C, CRD-C-541 and is USDA approved.

(Formerly known as Sonneborn NP1)

Advantages:

• One-component formula requires no mixing, helping to reduce labor costs
• Joint movement capability ±35% provides excellent flexibility for keeping moving joints weathertight
• Easy to gun and tool, speeding up application and making neater joints
• Available in Sausages, reducing jobsite waste, lowering disposal costs
• No primer required for most construction materials lowering installation costs
• Weather resistant for long-lasting weathertight seals
• Wide temperature application range makes MasterSeal NP 1 suitable for all climates
• Compatible with non-rigid coatings and can be painted
• Superior holding power for long-lasting roof tile installation
• UL listed; Passes 4–hour, 4–inch, fire and hose stream test when used with Ultra Block or mineral wool

Technical Data:

• Shore “A” Hardness: 25-30.
• Movement Capability: +/- 35%.
• Skin Time (73°F): 24 hours.