3M VHB Scotch SJ3550 Dual Lock 250 1″ x 10 ft Black Hook & Loop

Description

Product Overview

The 3M VHB Scotch SJ3550 Dual Lock 250 is engineered to deliver a high‑performance, reclosable fastening solution that combines the convenience of hook‑and‑loop technology with the strength of a very high bond (VHB) adhesive backing. This 1‑inch wide, 10‑foot long strip comes in a classic black color, making it suitable for both visible and concealed applications. The dual‑lock design features interlocking mushroom‑shaped stems that snap together instantly, creating a secure bond that can be opened and re‑closed up to 500,000 times without loss of performance. The VHB adhesive backing adheres firmly to a wide range of substrates, including metal, glass, plastics, and painted surfaces, providing a reliable attachment that resists shear, peel, and temperature extremes.

Usage

Designed for versatility, the SJ3550 Dual Lock 250 excels in industrial, automotive, aerospace, and consumer‑goods environments. It is ideal for mounting panels, securing cables, attaching signage, and creating modular assemblies where quick installation and removal are essential. The fastener performs well in temperatures ranging from -40 °C to 150 °C, making it suitable for outdoor equipment, HVAC systems, and electronic enclosures. Its black finish blends seamlessly with dark‑colored components, while the VHB adhesive ensures a lasting bond even on uneven or textured surfaces. Whether you are a professional installer, a maintenance technician, or a DIY enthusiast, this fastener offers a reliable, non‑permanent solution for a broad spectrum of projects.

Why Choose Us

Choosing the 3M VHB Scotch Dual Lock 250 means selecting a product backed by decades of research and a reputation for quality. 3M’s proprietary VHB adhesive technology provides superior adhesion that outperforms conventional tapes, while the dual‑lock mechanism ensures a mechanical interlock that is both strong and reusable. Each roll undergoes rigorous testing for durability, shear strength, and environmental resistance, guaranteeing consistent performance across all batches. In addition, 3M offers comprehensive technical support and a satisfaction guarantee, giving you confidence that any questions or concerns will be addressed promptly by knowledgeable experts.

Key Features

• Instant, high‑strength bond with up to 500,000 re‑closures for long‑term reliability
• VHB adhesive backing adheres to metal, glass, plastics, and painted surfaces without additional primers
• Temperature‑resistant performance from -40 °C to 150 °C for demanding environments
• Black finish provides a discreet appearance for both visible and hidden installations
• Dedicated 3M technical support and warranty for peace of mind after purchase

FAQ

Can the Dual Lock be used on painted surfaces?

Yes, the VHB adhesive backing is formulated to bond securely to most painted surfaces without the need for a primer, provided the paint is fully cured and the surface is clean and dry.

How many times can the fastener be opened and re‑closed?

The mushroom‑shaped stems are designed for up to 500,000 re‑closures, maintaining a strong bond throughout the product’s lifespan.

Is the fastener resistant to moisture and chemicals?

The VHB adhesive offers excellent resistance to moisture, most solvents, and common industrial chemicals, making it suitable for harsh environments.

What is the recommended surface preparation?

Clean the surface with isopropyl alcohol to remove dust, oil, and contaminants. Allow the surface to dry completely before applying the fastener.

Can the fastener be trimmed to a custom length?

Yes, the strip can be cut with scissors or a utility knife to the desired length. Ensure cuts are clean to maintain the integrity of the adhesive backing.