12mm White EPE Foam Backer Rod For Construction and Expansion Filler

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12mm White EPE Foam Backer Rod For Construction and Expansion Filler

Name: 12mm White EPE Foam Backer Rod For Construction and Expansion Filler
Brand: Alpha Infra Supplies
Price: 2.5 INR
Availability: InStock

Price 2.5 INR/ Meter

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12mm White EPE Foam Backer Rod For Construction and Expansion Filler Specification

Smell
Odorless

CAS No
9002-88-4

Appearance
Solid, Cylindrical Rod

Chemical Name
Baker rod

Application
Construction Expansion Joints, Crack Filling, Sealant Backing, Insulation, Noise and Vibration Damping

Other Names
EPE Foam Rod, Expansion Joint Filler, Back-Up Rod

HS Code
39269099

Structural Formula
(-CH2-CH2-)n

Molecular Weight
Varies - Polymer

Type
Roll

Purity
Pure Polyethylene Foam

Feature
Lightweight, Closed Cell Structure, Non-absorbent, Flexible, Durable, Easy to Cut

Grade
Industrial / Construction Grade

Water Content
Nil

Color
White

Ph Level
Neutral (7)

Poisonous
Non-poisonous

Molecular Formula
(C2H4)n

Melting Point
~85C - 115C

Physical Form
Solid

Usage
Used as a backer for sealant application in joints to provide support and create a uniform sealant depth

Storage Recommendations
Store in cool, dry place away from direct sunlight and moisture

Temperature Resistance
-40C to 90C

Length per Roll
Customizable (Typically 50 meters or more)

Tensile Strength
Minimum 150 kPa

Compression Recovery
> 90%

Thermal Conductivity
0.035 - 0.040 W/mK

Installation Method
Manual Placement prior to sealant application

Water Absorption
<1% (Closed Cell Structure)

Recyclability
Yes

Flammability
May melt or ignite with direct flame; self-extinguishing on removal of flame

Typical Industry Use
Construction, Civil Engineering, Interior Fit-outs, Facade Installations

UV Resistance
Moderate (suitable for indoor and limited outdoor use)

Diameter
12 mm

Density
20 to 35 kg/m3

12mm White EPE Foam Backer Rod For Construction and Expansion Filler Trade Information

Minimum Order Quantity
10000 Meter

Delivery Time
2 Days

About 12mm White EPE Foam Backer Rod For Construction and Expansion Filler

12 mm Backer Rod:

The 12mm 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

Engineered for Reliable Expansion Joint Performance

The 12mm White EPE Foam Backer Rod is a trusted choice for supporting sealants in a variety of construction applications. Its closed-cell design prevents water ingress and ensures a stable substrate for sealants. With customizable roll lengths, the rod is adaptable to projects of any scope, enhancing the integrity and longevity of joints by providing consistent depth and support throughout installation.

Simple Installation and Versatile Application

This backer rod is straightforward to install manually prior to sealant application, making it suitable for use across expansion joints, crack filling, facade interfaces, and interior fit-outs. Its flexibility allows it to contour to joint geometry, while its durable structure withstands temperature fluctuations and compressive forces. Commonly used by construction professionals, it serves as both a fill and insulation medium, dampening noise and vibration.

FAQ's of 12mm White EPE Foam Backer Rod For Construction and Expansion Filler:

Q: How is the 12mm White EPE Foam Backer Rod installed in construction joints?

A: Installation involves manually inserting the rod into the joint before applying sealant. Choose a rod size that fits snugly, avoiding over-compression, to ensure a uniform sealant depth and optimal joint performance. The rod should be positioned to the specified depth as per project requirements.

Q: What are the primary benefits of using an EPE foam backer rod in expansion joints?

A: This backer rod acts as a bond breaker for sealants, ensuring proper joint movement. It enhances joint longevity by minimizing water ingress, reducing sealant usage, and providing insulation against noise, vibration, and thermal transfer. Its flexibility and durability make it ideal for dynamic construction environments.

Q: Where is the EPE foam backer rod most commonly used?

A: It is widely used in construction expansion joints, crack filling, facade installations, interior fit-outs, and other civil engineering projects where sealant support and uniform depth are essential. Its properties make it suitable for both indoor and certain outdoor applications, particularly where UV exposure is limited.

Q: What materials and specifications define the 12mm White EPE Foam Backer Rod?

A: Made from pure polyethylene foam (CAS No: 9002-88-4), the rod has a closed-cell structure, density of 20-35 kg/m3, and minimum tensile strength of 150 kPa. It is odorless, non-poisonous, has neutral pH, and offers excellent thermal conductivity (0.035-0.040 W/mK) and water resistance (<1% absorption).

Q: Can the backer rod be exposed to extreme temperatures or direct sunlight?

A: The rod is designed for temperature resistance between -40C and 90C. It offers moderate UV resistance, making it suitable for indoor and certain limited outdoor use. Prolonged exposure to direct sunlight or temperatures beyond its rated range should be avoided to maintain material integrity.

Q: What is the recommended process for storing the foam backer rod before use?

A: Store the backer rod in a cool, dry area away from direct sunlight and moisture. Proper storage ensures the rod retains its physical and mechanical properties for optimal performance during installation and service.

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