Polyethylene Supreme Expansion Joint Filler Board, 25 mm

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Polyethylene Supreme Expansion Joint Filler Board, 25 mm

Name: Polyethylene Supreme Expansion Joint Filler Board, 25 mm
Brand: Alpha Infra Supplies
Price: 440.0 INR
Availability: InStock

Price 440.0 INR/ Piece

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MOQ : 1 Piece

Polyethylene Supreme Expansion Joint Filler Board, 25 mm Specification

Grade
Construction Grade

Application
Expansion joint filler in concrete construction, slab work, bridge decks, runways, roads, water retaining structures, etc.

Molecular Weight
Varies (approx. 28.05 g/mol per repeating unit)

Melting Point
~110C to 115C

Ph Level
Neutral

Usage
Used as filler board in expansion joints for concrete structures to allow for thermal movement

HS Code
3920

Feature
Lightweight, closed cell, high resilience, non-absorbent, rot proof, chemical resistant

Chemical Name
Polyethylene

Water Content
Negligible

Poisonous
Non-poisonous

Smell
Odourless

Purity
High (typically >98%)

Appearance
Closed cell, rigid foam board

Structural Formula
-(CH2-CH2)n-

Other Names
PE Foam Expansion Board, Compressible Expansion Joint Filler

Physical Form
Solid (Sheet/Board)

CAS No
9002-88-4

Molecular Formula
(C2H4)n

Boiling point
Not applicable (decomposes)

Type
Polyethylene Expansion Joint Filler Board

Color
Black

Thickness
25 mm

Dimensional Stability
Excellent, retains shape and size

Resistance to Chemicals
Excellent, resistant to most acids, alkalies, and salts

Service Life
Long, does not rot or degrade under normal conditions

Tensile Strength
> 0.20 N/mm2

Thermal Conductivity
Approximately 0.036 W/mK

Compression Recovery
> 95% after compression

Water Absorption
< 1% by volume

Standard Size
1 m x 2 m board (custom sizes available)

Environmental Impact
CFC-free, non-toxic, recyclable

Temperature Resistance
-40C to +70C

Density
28-33 kg/m3

Polyethylene Supreme Expansion Joint Filler Board, 25 mm Trade Information

Minimum Order Quantity
1 Piece

Delivery Time
2 Days

Polyethylene Supreme Expansion Joint Filler Board, 25 mm About

Supreme Expansion Joint Filler Board:

Made from cross-linked, closed-cell polyethylene foam, providing excellent compressibility and recovery.
Acts as a durable, non-bituminous filler for expansion and isolation joints in concrete and masonry structures.
Offers high resistance to moisture, rot, and bacteria, ensuring long-term performance.
Provides effective thermal stability ranging from 40C to +70C for diverse climates.
Easily cut and installed on-site, suitable for bridges, pavements, industrial floors, and water-retaining structures.

Robust and Resilient Construction Solution

Engineered from premium quality polyethylene, this expansion joint filler board offers high resilience, with superior compressive recovery and excellent dimensional stability. It prevents cracks and ensures the longevity of concrete structures subjected to movement and weather extremes.

Multiple Applications and Benefits

Used widely in roads, bridges, airport runways, and water-retaining structures, its closed-cell foam efficiently prevents water ingress and the infiltration of chemicals. This makes it ideal for projects where reliability, longevity, and environmental compatibility are essential.

Environmentally-Friendly and Safe

This CFC-free, recyclable, and non-toxic polyethylene expansion board provides peace of mind with its neutral pH, high purity, and odourless construction-grade material. It is robust yet safe for use in sensitive and varied construction environments.

FAQ's of Polyethylene Supreme Expansion Joint Filler Board, 25 mm:

Q: How is the Polyethylene Supreme Expansion Joint Filler Board installed in concrete structures?

A: The board is typically placed between concrete slabs or next to structural elements before pouring the concrete. Its lightweight nature and standard 1 m x 2 m size make it easy to cut and install on site, ensuring efficient and uniform joint formation.

Q: What are the primary benefits of using this expansion joint filler board?

A: Key benefits include high compressive recovery (>95%), low water absorption (<1%), chemical resistance, and long service life. It maintains shape and integrity over time, preventing cracks due to thermal movement and enhancing the durability of concrete structures.

Q: When should I use a 25 mm thick expansion joint filler board?

A: A 25 mm thick board is recommended for large expansion joints in high-movement areas, such as bridge decks, runways, industrial floors, and water-retaining structures, where greater gap-filling and thermal movement accommodation are required.

Q: Where can Polyethylene Expansion Joint Filler Boards be applied?

A: They are suitable for a variety of construction applications, including roads, runways, bridges, basements, retaining walls, and water-retaining structures. The material is ideal for any location needing durable, flexible joint fillers.

Q: What makes this expansion joint filler board environmentally friendly?

A: Manufactured CFC-free, this board is recyclable and non-toxic. Its high purity, neutral pH, and odourless properties ensure a safe and sustainable solution for modern construction projects.

Q: How does the board perform under exposure to chemicals and extreme weather?

A: The board exhibits excellent resilience to most acids, alkalis, and salts, making it chemically resistant. It also operates efficiently within a broad temperature range from -40C to +70C without degrading or losing performance.

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