Name: Mechanical equipment seals
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Mechanical equipment seals

Our EPDM sponge rubber U-shaped edge sealing strip is a versatile protective solution. It combines the excellent weather resistance of EPDM with the high elasticity and compression resilience of a closed-cell sponge structure. The unique U-shaped design and built-in adhesive backing allow for easy snap-on attachment to various edges, providing excellent sealing, impact protection, vibration damping, and aesthetically pleasing edge effects. It is ideal for machinery, doors, windows, automotive, and electronic enclosures.

Phone: +86-13931969171

WhatsApp: +86-13931969171

E-mail: sales@cnweizhong.com

Self-Adhesive EPDM Sponge U Trim, All-in-One Sealing and Edge Guard for Machinery & Doors

Product Overview

Technical Specifications

Category	Parameter	Details / Value
Material & Construction	Primary Material	Closed-Cell EPDM Sponge Rubber
	Adhesive Type	High-Performance Acrylic Pressure-Sensitive Adhesive (PSA)
	Release Liner	Single-sided, silicone-coated paper
	Color	Black (Standard), Custom colors (e.g., Gray, White) available
Physical Properties	Hardness (Shore A)	35° ± 5 (Soft Grade), Medium grade (50° ± 5) also available
	Density	0.65 - 0.85 g/cm³ (Typical for closed-cell sponge)
	Compression Set (22 hrs @ 70°C)	≤ 15% (Excellent recovery)
	Recovery Rate	≥ 90%
	Tensile Strength	≥ 1.8 MPa
	Elongation at Break	≥ 200%
Environmental Resistance	Continuous Service Temperature	-50°C to +120°C (-58°F to +248°F)
	Weather & Ozone Resistance	Excellent, suitable for long-term outdoor use.
	UV Resistance	Excellent
	Water & Moisture Absorption	Extremely Low (< 2%) due to closed-cell structure.
	Chemical Resistance	Resistant to water, mild acids, and alkalis.
Dimensions & Profile	Profile Type	U-Shape (C-Channel)
	Total Height (A)	10 mm, 15 mm, 20 mm (Customizable)
	Total Width (B)	12 mm, 15 mm, 18 mm (Customizable)
	Lip Thickness (C)	1.5 mm, 2.0 mm, 2.5 mm
	Recommended Panel Thickness	1.0 mm to 3.5 mm (Depends on Lip Thickness 'C')
	Standard Length / Roll	15 meters / roll or 30 meters / roll (Custom lengths available)
Adhesive Properties	Peel Strength (on steel)	≥ 20 N/50mm (Strong, permanent bond)
	Service Temp. (Adhesive)	-40°C to +100°C (Short-term up to 120°C)
	Surface Preparation	Clean, dry, and free of oil, dust, and grease for optimal adhesion.

Key Advantages

Excellent Sealing and Protection: The EPDM sponge provides excellent compressibility, filling irregular gaps and effectively protecting against dust, water, sound, and vibration.

Weatherproof: Resistant to high and low temperatures (-50°C to 120°C), UV, and ozone degradation, it offers a long service life.

Convenient, integrated installation: The U-shaped slot design securely snaps onto the edges of panels of varying thicknesses (typically 1-3mm).

Strong Adhesive Backing: The back is pre-coated with high-performance acrylic pressure-sensitive adhesive, allowing for secure attachment by removing the release paper for dual-stack installation, making installation quick and time-saving. Comprehensive Protection: Effective Anti-collision: Protects equipment edges, reducing damage during transportation and use. Smooth, neat edging enhances the product's overall quality.

Durable: Quickly returns to its original shape even under frequent compression and wide temperature conditions, and resists permanent deformation.

Typical Applications

Mechanical Equipment: Housing protection and sealing for CNC machine tools, injection molding machines, and conveyor equipment.

Electrical Cabinets: Door seals and edging for control cabinets and distribution boxes.

Automotive & Transportation: Edge protection and shock absorption for vehicle doors, trunks, and bus interiors.

Home Doors & Windows: Quiet, anti-collision sealing for metal/glass doors, shower rooms, and cabinets.

Electronic Equipment: Dust and water-resistant sealing for outdoor communication boxes and server cabinets.

Why Choose Us?

Quality Assurance: Strict quality control ensures consistent and reliable performance every meter of sealing strip.

Flexible Customization: Custom sizes, colors, and adhesive types are available to meet your specific needs.

Professional Support: Our technical team can provide product selection and application solutions. Global Availability: Our stable supply chain supports high-volume orders and global shipping.