Product Description, Applications

MB-10A is a premier elastomeric butyl rubber sealant that meets or exceeds sealing requirements for metal building construction as well as HVAC, refrigeration and window glazing. MB-10A is extruded onto silicone coated paper for easy application and is produced in many different sizes and lengths to fit a variety of application requirements.

Features, Advantages MB-10A Sealant Tape has a high butyl content that provides a superior seal for greater longevity. Benefits include:

• Exceptional cohesive and adhesive strength
• Ability to withstand extreme roof temperatures
• Superior low temperature compressibility
• No cold flow
• Composition that includes antioxidants, fungicides and anti-bacterial agents
• Seal that withstands normal building movement

Construction, Materials, Finishes
MB-10A is manufactured of a proprietary blend of isobutylene/isoprene/butene/mineral filler and meets or exceeds organizational test standard requirements (ASTM) as well as federal and military regulations.

Sizes
MB-10A is available in 39 standard sizes with widths varying from 3/16" - 4 1/2" (4.8 - 114 mm), lengths varying from 20' - 50' (6 -15 m) and multiple thicknesses. Double, Tri and Triple Beads are available. Custom widths and roll lengths are also available.

Properties, Performance

• Cold temperature flexibility, ASTM C765 - No cracking or loss of adhesion
• Non-volatiles, ASTM C771 - 99+
• Cone penetration, ASTM D217 - 55
• Weatherability, ASTM D750 - No discoloration, cracking, crazing or loss of adhesion
• Specific gravity, ASTM D792 - 1.55
• Tensile strength, ASTM D897 - 25 psi (172 kPa)
• Service Temperature - 60 degrees F (-51 degrees C) - 275 degrees F (135 degrees C)