DescriptionSurtek 3511HV is a low modulus one-component moisture
curable polyurethane sealant. It is non sagging, of good strength
and elasticity. It is weather resistant. The product is
manufactured in accordance with ISO9001 and ISO14001
systems.Advantages1) One component, easy to use 2) Non sagging 3)
Good adhesion to a wide range of substrates 4) Primerless for most
substrates 5) Excellent elasticity 6) Good weather
resistanceUsesSurtek 3511HV is used as a general purpose sealant
for sealing joints in building construction such as movement and
construction joints in concrete, such as airfield pavements, brick,
wood, metal and etc.Technical DataAppearanceUniform
PasteColorBlack, white, greyDensity1.35 ± 0.05 kg/lTack-free time~
50 minRate of cure≥ 3 mm/24hShore A hardness~ 35Tensile strength≥ 2
N/mm2Elongation at break≥ 600%Tear strength≥ 6 N/mmGlass transition
temperature-45°C, approx.Service temperature (continuous) Short -
term (up to 48 hrs)-40°C to +90°C 130°CDetailed Image Application1)
Joint Design Correct joint design can assure the lifetime of
buildings and sealants. To keep the flexibility of the joints, the
minimum width of the joints is 5mm. The depth is 1/2 of the width.
The recommended width of the joint is 80-100% of the width if the
width is less than 10mm. In order to assure the designed movement
capability of the sealant, we should use back lining. Recommended
depth of the joint is no less than 5mm.2) Surface Treatment The
surface should be clean and dry. The concrete placement should be
dried for 28 days. After rainfall, it should be aired for 2-3 days.
The water content of the substrates should be lower than 9%.
Dryness and cleanness can assure the bonding strength to the
substrates. The surface should be clean without dust, oil or loose
layers. Metal surface should be of no oil, rusty stains. If the
surface is with cladding material or protective layer, we suggest
test the sample.3) Applying the sealant Use the brush to clear the
surface to make the joint achieve the above requirement. For good
appearance, adhesive tape can be used to paste on two sides of the
joint. The edges of the tape should be even with the joint edges.
Pierce the nozzle with an appropriate size at 45°angle. Put the
sealant into an applicator gun and squeeze the trigger uniformly
into the joint. The sealant should be filled into the joint and
overflow a bit in order to avoid hollow space in the sealant.4)
Appearance Treatment Use the scraper and moisten a bit water to
press and scrape flat the surface of the sealant. Take off the
adhesive tape. Do not touch the surface of the sealant before
within its tack-free time.Packaging310ml cartridge, 20 pcs/carton
600ml sausage, 20 pcs/cartonStorage and Shelf LifeWhen stored at
the recommended conditions in original, unopened containers, this
product has a shelf life of 9 months. The shelf life of
polyurethane sealant is related to the temperature and humidity of
the environment. The recommended storage temperature is 5-25° C,
humidity is
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