Weld-On® 40 Reactive Acrylic Adhesive (Low VOC)

Description

Weld-On® 40 is a two-component, reactive acrylic adhesive formulated for clear, high-strength bonding of acrylic (PMMA) and a wide range of compatible thermoplastics. Supplied as Component A and Component B, it polymerizes at room temperature to form strong, weather-resistant joints within hours.

With its optical clarity, reliable performance, and versatility across substrates, Weld-On 40 is trusted in applications where both appearance and structural strength are critical—making it a go-to choice for aquariums, museum-grade displays, and specialty plastic fabrication.

Key Features & Benefits

• Crystal-clear bonds that retain transparency after cure

• Fast working and fixture times – 20-minute pot life, 2-hour fixture time

• High bond strength – up to 7,000 psi after heat aging

• Excellent durability – resists weathering, UV, and aging effects

• Low VOC formulation – compliant with environmental regulations

• Adjustable viscosity – can be modified with Weld-On 3061 reactive diluent

Common Applications

• Aquarium construction and repair

• Museum-quality display case assembly

• Signage and point-of-purchase displays

• Retail and architectural fixtures

• General plastic and acrylic fabrication

Technical Specifications

Compliance & Certifications

• Low VOC compliant

• Meets Military Spec A-8576C Type III

• Manufactured under strict QA standards

Compatible Substrates

• Acrylic (extruded, cast, cross-linked PMMA)

• Polycarbonate

• Polyester

• PVC

• ABS

• PETG

• Cellulose acetate butyrate

Packaging & Ordering Info

Ordering & Support

Weld-On 40 provides the clarity, strength, and reliability demanded in professional acrylic fabrication.

For ordering support or technical questions, contact Chemical Concepts at [email protected] or 800-220-1966.

Explore our full selection of Acrylic Adhesives to find the right solution for your project.