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Swellseal Mastic Gum


Swellseal Mastic

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50 Piece

Each pieces 600ml packing in cartridge

5 days

10000 Piece per Month

T/T, L/C, Western Union, PayPal

Swellseal Mastic

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Product Specification

Classification : Other Adhesives Main Raw Material : Polyurethane Usage : Construction Brand Name : LW CAS No. : - Other Names : - MF : - EINECS No. : -
Black : 600mL package

Product Description

Field of application:

   1.Sealing rough and smooth construction joints of in-situ cast concrete

   2.Sealing joints between pre-cast segments(e.g. manholes, box culverts, cable ducts and pipes)

   3.Sealing around steel H-beams

   4.Sealing between rough surfaces(e.g. slurry walls) and concrete slabs

   5.Bonding strip sealants to rough surfaces

   6.On secant pile walls


   1.Solvent free

   2.Swellseal Mastic can be applied to concrete, PVC, HDPE, STEEL, ect.

   3.The excellent filling and adhesion properties of the product provide a first line filling of cracks and voids, even on lightly humid, smooth or rough surfaces

   4.In contact with water Swellseal Mastic will expand to about 350% of it’s original volume

   5.Flexible system, which adapts to the irregular surface of the substrate

   6.Easy application with standard calking gun

   7.Durable: will exceed the construction’s life

   8.Has a good all-round chemical resistance and can resist to petroleum, mineral and vegetable oils and greases
   9.Swellseal Mastic is approved for contact with potable water

Technology Data:




Approx 1.45g/cm3



Flash Point


Cured(7 days at 25°C, 10mm thick)

Elongation at break

Approx. 625%

Tensile strength


Hydrostatic pressure resistance

up to 150m water column

Elongation at break

Approx. 625%


Each pieces 600ml packing in cartridge

20pcs per carton


Minimum 12 months in a dry place at temperature between 5°C and 30°C

Shelf life is unlimited in correct storage conditions

Contact Us

Contact Person : Bing

Company:Beijing Langwei Times Technology and Science Co., Ltd.

Address:Beijing, Beijing, China,


Bing < Beijing Langwei Times Technology and Science Co., Ltd. >
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