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polyurethane adhesive sealant for bus body stucture sealing
Quantity Order:
Origin:
China
Payment Method:
Telegraphic Transfer (T/T)
Pack. & Delivery:
310ml cartridge 600ml sausage 200L drum
DESCRIPTION
Comensflex-8221 is a one-component,
moisture-curable, polyurethane-based, elasto-
meric adhesive sealant. It is a fast curing,
non-sag system. After curing, it provides a
permanently elastic bond to fasten materials
with different coefficients of expansion.
ADVANTAGES
Good Adhesion to a wide range of
substrates.
Cures rapidly to a permanently elastic
consistency with excellent cut and tear
resistance.
Low odor, non-staining.
Surface paintable with water, oil, and
rubber based coatings.
Non-Corrosive.
Provides shock resistance and vibration
damping.
Exhibits high recovery ( > 90% ) , making
it ideal for sealing dynamically moving
joints.
Weather resistant.
Resistant to road salts.
USDA approved for incidental food
contact.
NSF approved for potable water ( black
and white only) .
APPLICATIONS
Vehicle bodies and cab construction
including panels, underbody components,
and roofing.
Front and rear spoilers, auto trim,
moldings, body seams, and welded joints.
Waterproofing exterior lap seams in
many applications, including truck
trailers, RV' s, metal roofs, window
perimeters, grain bins and HVAC units.
Waterproofing rivet seams.
Sealing of exposed and concealed joints
of aluminum, steel, coated metals, wood,
roof rails, and door hinges in transport
equipment.
Sealing and caulking expansion joints,
pre-cast concrete panel joints and joints
between logs on log homes
PROCESS
Cleaning:
Clean surface with a strong jet of compressed
air, sandblast, or solvent to ensure the surface
being clean, dry, free of oil, grease, and of
sound quality.
Activating/ Priming:
Activators and/ or primers may be required to
achieve optimal adhesion depending on the
nature of substrates.
Application of sealant:
Cut tip to desired shape and size. Puncture
airtight seal. Install with hand or power
operated gun and extrude the sealant into the
joint. Clean excess sealant using hard rubber
plate or finger wet with soap solution
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