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PolyBrite® 73 Flashing Compound

Brand: Polyglass, Inc

PolyBrite 73 is a premium-grade white elastomeric mastic with StretchSpan Technology™ (SST). This technology makes this product extremely pliable. PolyBrite 73 cures to form a seamless flexible, waterproof membrane that will expand and contract with the movement of the roof surface. 

This product is designed for use at various flashing and detail conditions when installing Polyglass’ elastomeric roof coating systems. PolyBrite 73 offers excellent adhesion, flexibility, high tensile strength and resistance to ultra violet degradation.
Features
  • StretchSpan Technology™ (SST) makes it extremely pliable
  • Flexible – will expand and contract with movement of roof surfaces
  • Strength – provides a permanent waterproof seal at flashing details and fastener heads
  • Versatile – suitable for most surfaces and various roofing types
  • Stable – no migration of plasticizers and oils that inhibit adhesion and product performance

1 - 1 of 1 Part Numbers
PGPB732
PGPB732
POLYGLASS PolyBrite® 73 Flashing Compound
1 - 1 of 1 Part Numbers

Specifications

Packaging

  • 1.8 Gallon (6.8 Liters) Pail
  • 4.75 Gallon (17.9 Liters) Pail

Accelerated Weathering at 1,000 Hours (Pass/Fail)

  • Pass, ASTM D4798

Solar Reflectance

  • 80 %, ASTM C1549

Fungi Resistance (Pass/Fail)

  • Pass, ASTM G21

Elongation

  • 250 % ± 50 %, ASTM D2370

Tensile Strength

  • 300 ± 50 psi, ASTM D2370

Flexibility at 15° F Mandrel (Pass/Fail)

  • Pass, ASTM D522B

Viscosity

  • > 125,000 cP, Brookfield© 4d/5 RPM/77° F

Weight

  • 10.3 ± 0.5 lb/gal, ASTM D2939

Solids Weight

  • 64 % ± 2 %, ASTM D1644

Solids Volume

  • 52 % ± 2 %, ASTM D2697

VOC

  • < 50 gm/L, Calculated

Flash Point

  • > 212° F, PMCC

  • Suitable for use as a mastic grade sealant for flashings and miscellaneous details on various roof surfaces and substrates.
  • Can be applied over various conventional BUR, modified bitumen, metal, wood, spray polyurethane foam and concrete materials.
  • Recommended for seal joints, seams, through-roof penetrations and fastener heads.

Documentation

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