LOCTITE AA 3953 Light Cure Adhesive

Loctite AA 3953 is a medium viscosity, acrylic urethane-based light cure adhesive, designed for applications that require fast curing and superior flexibility. This product is ideal for bonding demanding materials such as plasticized PVC, TPEs, and thermoset rubbers. Its versatile formulation also maintains high adhesion to rigid substrates, including polycarbonate, ABS, Acrylic, and treated HDPE and PP. With a fixture time of just 5 seconds, Loctite AA 3953 is an invaluable tool for swift assembly processes.

Loctite AA 3953 is suitable for the assembly of disposable medical devices. The adhesive has undergone rigorous testing according to Henkel's protocols based on ISO 10993 biocompatibility standards. This makes Loctite AA 3953 a reliable and safe choice for use in the medical device industry.

• High elongation strength
• High adhesion
• High humidity resistance
• Fast LED curing
• Fluorescent under UV light

How to use Loctite AA 3953 Light Cure Adhesive:

1. Loctite AA 3953 is a light sensitive product; avoid exposure to daylight, UV light and artificial lighting during storage and handling.
2. Clean surfaces before applying the product.
3. Apply Loctite AA 3953 to bond surfaces and assemble components.
4. Cure rate is dependent on lamp intensity, distance from light source, depth of cure needed, bondline gap and light transmittance of the substrate. Refer to datasheet.
5. Allow product to develop full strength before subjecting to any service loads.

Storage

Store Loctite AA 3953 in the unopened container in a dry location. Optimal storage: 8° C to 21° C. Storage below 8° C or greater than 28° C can adversely affect product properties.