20mm White EPE Foam Backer Rod For Construction and Expansion Filler

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20mm White EPE Foam Backer Rod For Construction and Expansion Filler

Name: 20mm White EPE Foam Backer Rod For Construction and Expansion Filler
Brand: Alpha Infra Supplies
Price: 3.85 INR
Availability: InStock

Price 3.85 INR/ Meter

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20mm White EPE Foam Backer Rod For Construction and Expansion Filler Specification

Poisonous
NO

CAS No
9002-88-4

Water Content
0% (essentially hydrophobic)

HS Code
39269099

Melting Point
~105C

Application
Filler for expansion joints, sealant backing in construction, insulation, packaging, gap filling

Feature
Lightweight, flexible, closed cell, non-absorbent, chemical-resistant, moisture-resistant

Smell
Odorless

Type
roll

Color
White

Ph Level
Neutral (7)

Purity
99%

Grade
Construction/Industrial Grade

Usage
Insert into construction joints before applying sealant to control sealant depth and ensure optimal performance

Appearance
White, cylindrical, flexible rod

Other Names
EPE Backer Rod, Polyethylene Foam Rod, Expansion Joint Filler

Structural Formula
[-CH2-CH2-]n

Molecular Formula
(C2H4)n

Physical Form
Solid

Molecular Weight
Variable

Chemical Name
Polyethylene

Compression Set
Less than 10% (24 hours, 50% deflection)

Density
25-30 kg/m3

Storage Condition
Store in a cool, dry place away from direct sunlight and heat sources

Length per roll
Customizable, typically 50m or 100m

Diameter
20mm

Resilience
Excellent; retains shape after compression

UV Resistance
Moderate (recommended for interior/exterior covered applications)

Cell Structure
Closed cell

Water Absorption
<0.5% by volume

Flammability
Combustible; avoid exposure to open flame

Thermal Conductivity
0.034 - 0.039 W/mK

Reusability
Reusable unless physically damaged

Tensile Strength
0.20 - 0.35 MPa

Temperature Range
-40C to +90C

20mm White EPE Foam Backer Rod For Construction and Expansion Filler Trade Information

Minimum Order Quantity
10000 Meter

Delivery Time
2 Days

20mm White EPE Foam Backer Rod For Construction and Expansion Filler About

20 mm Backer Rod:

The 20mm Backer Rod is an essential tool for achieving a professional finish in your sealing projects. Designed to provide optimal support for sealants, this backer rod ensures even application and prevents the sealant from sinking, enhancing durability and flexibility. Its closed-cell structure resists moisture absorption, making it ideal for both indoor and outdoor use. Easy to install and cut to size, this backer rod is perfect for filling gaps and joints, ensuring a long-lasting seal that protects against water and air infiltration. Upgrade your sealing solutions with this reliable and efficient backer rod.

Applications

Expansion / Contraction joints.

Pressure Relief Joints

Seperation/ Isolation Joints

Glazed Curtain Wall

Window and Door Frames

Construction Joints/ Coping Joints

Packaging of Electronic and other delicate products

Cushioning Material in Leather Bag Handles

Jewellary Bangle Boxes and Shoe Collars

Versatile Construction and Expansion Filler

The EPE Foam Backer Rod acts as an effective expansion joint filler and sealant backing in construction works. Its closed-cell structure ensures moisture resistance, making it ideal for both concrete and masonry joints. Its flexibility and lightweight nature allow easy handling during installation, while its customizable lengths suit various project requirements.

Superb Physical and Chemical Properties

This Polyethylene Foam Rod features excellent shape retention, low water absorption (<0.5%), and reliable thermal insulation (conductivity of 0.034-0.039 W/mK). With neutral pH, high purity, and chemical resistance, it supports long-term durability in demanding environments. The rod is non-absorbent, odorless, and maintains integrity across a -40C to +90C operating temperature range.

Ideal for Professional and Industrial Use

Factory and worksite installation of the White EPE Backer Rod is straightforward. Use it in construction expansion joints, as backing for sealants, or for insulation and gap filling. Its moderate UV resistance means it performs best under covered areas, ensuring optimal sealant function and joint longevity.

FAQ's of 20mm White EPE Foam Backer Rod For Construction and Expansion Filler:

Q: How is the 20mm EPE Foam Backer Rod used in construction applications?

A: The backer rod is inserted into expansion joints or gaps before sealant application. This limits sealant depth, improves performance by allowing optimal joint movement, and ensures proper adhesion and bonding of the sealant.

Q: What are the main benefits of using this EPE foam rod as a joint filler?

A: Benefits include lightweight handling, excellent moisture and chemical resistance, ease of installation, and superior shape retention after compression. Its closed-cell design prevents water ingress and optimizes the performance of joint sealants.

Q: When should I use this backer rod in my construction project?

A: Use the EPE Foam Backer Rod wherever you need to fill gaps or joints prior to applying sealants-especially in expansion joints, masonry, or concrete works. It is essential for controlling sealant depth and preventing three-sided adhesion.

Q: Where is the EPE Backer Rod most suitable for application?

A: It is ideally suited for interior expansion joints or exterior joints that are covered, such as parking garages, covered walkways, and interior floors or walls. Avoid prolonged direct sunlight exposure as it has moderate UV resistance.

Q: What is the installation process for this foam rod?

A: Measure the joint width and select the appropriate diameter. Cut the rod to length, compress it slightly, and insert it evenly into the joint using a roller or blunt tool. Then, apply sealant over the top for a neat, secure finish.

Q: Can the EPE Foam Backer Rod be reused?

A: Yes, the rod can be reused if it remains physically undamaged during removal. However, if it's cut, torn, or otherwise deformed, using a new piece is recommended for optimal performance.

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