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Photovoltaic module sealing strips
We specialize in producing sealing strips for photovoltaic modules, providing long-term, stable sealing protection for solar panels, junction boxes, and frames. Made from high-quality EPDM rubber, these strips offer excellent weather resistance, aging resistance, and environmental adaptability, ensuring optimal performance in harsh outdoor environments and effectively extending the service life of photovoltaic systems.
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Solar Panel Sealing Strip EPDM, IP68 Rated Weatherproof Seal for PV Module Junction Box


Product Overview

We specialize in producing sealing strips for photovoltaic modules, providing long-term, stable sealing protection for solar panels, junction boxes, and frames. Made from high-quality EPDM rubber, these strips offer excellent weather resistance, aging resistance, and environmental adaptability, ensuring optimal performance in harsh outdoor environments and effectively extending the service life of photovoltaic systems.


Technical Specifications

Parameter / Property

Specification / Value

Material

High-Quality EPDM Rubber

Hardness

60 ± 5 Shore A

Tensile Strength

≥ 12 MPa

Elongation at Break

≥ 300%

Compression Set

≤ 25%

Operating Temperature

-50°C to +130°C

Flame Rating

UL94 V-0

Ingress Protection (IP) Rating

IP68

Service Life

25+ Years


Core Advantages

1.Excellent Weather Resistance

Specially formulated for exceptional UV, ozone, and corrosion resistance

Maintains elasticity in extreme temperatures (-50°C to +130°C)

Service life of over 25 years, perfectly matching the lifespan of photovoltaic modules

2.Reliable Sealing

Provides IP68 protection for complete dust and water resistance

Effectively blocks moisture, salt spray, and contaminants

Keeps the interior of the junction box dry, preventing short circuits and corrosion

3.Convenient Installation

Various design options (snap-on, adhesive-backed, and embedded)

Precise dimensional tolerances ensure quick and easy installation

Perfectly adapts to frame designs from major photovoltaic module manufacturers

4.Environmentally friendly and safe

RoHS compliant

Free of heavy metals and other hazardous substances

UL94 certified V-0 flame retardant certification


Applications

PV panel frame sealing

Junction box waterproof sealing

Solar power plant system sealing

BIPV building-integrated sealing

Outdoor PV equipment protection


Our Commitment

Professional Customization: Customizable sizes and shapes available

Strict Quality Control: Full inspection from raw materials to finished product

Technical Support: A professional team provides installation guidance and troubleshooting solutions

Global Availability: Supports large-volume orders with guaranteed on-time delivery


Consult Now

Request free samples and detailed technical information

Our engineers will recommend the most suitable sealing solution for you

Competitive pricing and timely technical support

Let us provide the most reliable sealing for your PV project!

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