Polyethylene Foam Expansion Joint Filler Board

Beijing Langwei Times Technology And Science Co.,Ltd was established in 2004 and specializes in the pretreatment of civil construction special parts. We are a professional and innovative company with strong independent R&D capabilities. Our products are widely applied to subways, municipal administrations, tunnels, reservoirs, hydro dams and mines.

Material and sizes

Closed cell PE foam

Density: 120kg/m3, 90kg/m3

Sizes: 2mx1m, 

Cutting sizes, customized

Thickness: 10mm,20mm,30mm,40mm,50mm

Used for water project, roads, construction of concrete structure, used as expansion joint filler.



Chemically crosslinked  closed cell PE foam expansion joint filler foam specially designed for concrete structure.


1.rough cell surface increases the contact areas with concrete

2.high recovery rate 

3.non water absorption    below 0.005g/cm3

4.high impact endurance  


6.chemical resistance on acid and alkali


Sheet sizes: 1mx2m

Thickness:10mm,15mm,20mm,25mm,30mm. we can customized the size according to the customer's requirement.