Two part silicone sealant suited for the secondary seal in
insulating glass unitsBasic UsesGUIBAO 882 Silicone Insulating
Glass Sealant is specially designed for use as secondary sealant
for insulating glass units.FeaturesTwo part, neutral fast cure
rate, suitable for factory applicationHigh level of tensile
strength and mechanical propertiesExcellent adhesion to a wide
range of substrates including coated glass, low -E glass, tempered
glass, laminated glass, aluminum and steel spacers etc.Excellent
weatherability and high resistance to ultra-violet radiation ,heat
and humidity, and ozoneExcellent resistance to temperature
extremes, unaffected performance from -50 ºC to +150 ºCGood
compatibility with other neutral silicone sealantsColoursPart
A (base) of GUIBAO 882 is available in white, part
B (curing agent) in black, black color after
mixing.PackagingGUIBAO 882 is available in kit: part A in 200L
drums (net 180L), part B in 20L pails (net
18L).SpecificationGUIBAO 882 is designed to meet or even exceed the
requirements of Chinese national specification GB/T
29755-2013.Storage and Shelf LifeGUIBAO 882 should be stored in
original unopened containers. It has a shelf life of 12 months
from the date of manufacture.Typical PropertiesTest
MethodPropertyUnitStandardResultGB/T 13477 (ISO 7390)Slumpmm≤30GB/T
13477 (ISO 9048)Extrudability (after 20 min.)s≤101.4GB/T 13477
(ASTM D 2377)Tack Free Timeh≤31.0GB/T 531.1 (ISO
7619)HardnessShore A30-6047GB/T 13477 (ISO 8339)Tensile
StrengthMPa≥0.60.8GB 16776Adhension Failure%≤100GB 16776 (ASTM
C 792)Heat aging Weight
Loss%≤64.5Chalking NilNilCracking NilNilGB: Chinese
National Standard ASTM: American Society for Testing and Materials
ISO: International Standardization Organization Surface
PreparationClean all joints removing all foreign matter and
contaminants such as oil, grease, dust, water, frost, old sealants,
surface dirt, or glazing compounds and protective coatings.Mixing
and DispensingTo obtain the optimal performance of GUIBAO 882, it
is recommended that base and curing agent thoroughly mixed using
a two-part silicone dispensing machine.GUIBAO 882 should be
mixed at a ratio of 9:1~11:1 base to curing agent by volume,
or 11:1~13:1 base to curing agent by weight for optimal
performance.Lot matching of GUIBAO 882 base to curing agent is not
required. Before use, it is recommended that curing agent be
stirred to ensure the homogeneity of all components.GUIBAO 882 part
B curing agent will react with atmospheric moisture, therefore
should not be exposed to air for prolonged periods of
time.PrimingPriming is not usually required when using GUIBAO 882.
But it is essential that adhesion is tested prior to use to decide
whether to use primer or not.Masking and ToolingAreas adjacent to
joints may be masked to ensure a neat sealant line Do not
allow mask tape to touch clean surfaces to which the silicone
sealant is to adhere. Tooling should be completed in one continuous
stroke after sealant application. Masking tape should be removed
immediately after tooling.Equipment CleaningWhen not being used, it
is recommended that the dispensing equipment be purged either with
the base component or flush with suitable solvent.LimitationsGUIBAO
882 should not be applied: For structural glazing To the
materials that bleed oils, plasticizers orsolvents, such as
impregnated wood, oil-based caulksTo frost laden or damp
surfaces For continuous water immersion When surface
temperature below 4ºC or over 50ºCSafety InformationGUIBAO 882 is
a chemical product, not edible, no implantation into body and
should be kept away from children.Cured silicone rubber can be
handled without any risk to health.Should uncured silicone sealant
contact with eyes, rinse thoroughly with water and seek medical
treatment if irritation persists.Avoid prolonged exposure of skin
to uncured silicone sealant. Good ventilation is necessary for
work and cure placesDisclaimerThe information presented herein is
offered in good faith and is believed to be accurate. However,
because conditions and methods of using our products are beyond our
control, this information should not be used in substitution for
customer's tests to ensure that our products are safe, effective,
and fully satisfactory for intended specific
applications. About Us:/* March 10, 2023 17:59:20
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