GUIBAO 668 Pavement Silicone Sealant

GUIBAO 668 Pavement Silicone Sealant
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pavement sealant, concrete sealant, PC sealant, precast concrete sealant, building sealant

Basic Uses
GUIBAO 668 pavement silicone sealant is specially formulated for

  • Sealing the transverse, longitudinal, center lines and shoulder joints of concrete pavement.
  • Sealing the extension and contraction concrete joints of high ways, airports, bridges, warehouses, parking lots, stadiums, architectural settlements, etc.
  • It can be used as original sealant in new concrete constructions or as remedial/ repair sealant for old constructions.
Features
  • One part, ready to use as supplied ,good gunnability, dispensed directly from container into joints by hand or with an air-powered pump
  • Excellent unprimed adhesion and bonding to concrete
  • High movement capability-able to accommodate the extension and contraction, and shear deformation of concrete joints without itself being destroyed

Colours
GUIBAO 668 is available in black, grey and other customized colours.

Packaging
GUIBAO 668 is available in disposable cartridges (net 300ml), sausages (net 590ml) and in pails (25kg).

For more details, please download:

These values are not intended for use in preparing specifications.

Test Method Property Unit Result
GB/T 13477 (ASTM D 2377) Tack free time min. 60
GB/T 13477 (ISO 8394) Extrusion rate ml/min. 180
GB/T 531 (ISO7619) Hardness Shore A 30
GB/T 13477 (ISO 8339) 100% modulus MPa 0.4
GB/T 528 (ISO 37) Elongation at break (dumbbell type) % 600
GB/T 13477 (ISO 11600) Movement capability % 100~-50

*GB: Chinese National Standard
ASTM: American Society for Testing and Materials
ISO: International Standardization Organization

Complete technical information and literature.
Adhesion test
GUIBAO 668 exhibits excellent unprimed adhesion to concrete. But due to the diversity of concrete configuration and substrate surface cleaning status, we can not guarantee that GUIBAO 668 is applicable for all concrete. Adhesion testing should be conducted prior to the large scale site application.

Thickness Application length ( m ) of a piece of GUIBAO 668 ( 590 m l)
6 mm 1 6 1 2 9. 8 8 6.5 4. 9
9 mm 10.9 8. 2 6. 5 5.4 4.3 3. 2
12 mm 8. 2 6. 1 4. 9 4 3.2 2. 4
6 8 1 0 1 2 1 5 2 0
glue line width ( mm )

Note: The actual usage may not be 100% the same as above figures because of joint design, backer rod and on-site waste.

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