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LOCTITE AA 3921 LC - 25ml (acrylic adhesive, instant, UV-cured)

LOCTITE AA 3921 LC - 25ml (acrylic adhesive, instant, UV-cured) (IDH.1169676)

Product description:
LOCTITE® AA 3921™ is suitable for a wide variety of applications that require fast cure, flexibility, high adhesion and autoclave resistance. LOCTITE® AA 3921™ cures in seconds when exposed to light of the proper wavelength and intensity and achieves excellent adhesion to glass, plastics and metal. The ability of this product to fluoresce under black light facilitates inspection of bonded assemblies for adhesive presence. LOCTITE® AA 3921™ was specifically designed for bonding stainless steel cannulae into hubs, syringes and lancets for needle assemblies. The viscosity of this product makes the adhesive well suited for applications where the adhesive will be dispensed in the well after the cannulae and the hub have been assembled. Suitable for use in the assembly of disposable medical devices. Further information about the product: biuro@woronko-kleje.pl

Directions for use:
1. This product is light sensitive; exposure to daylight, UV light and artificial lighting should be kept to a minimum during storage and handling.
2. The product should be dispensed from applicators with black feedlines.
3. For best performance bond surfaces should be clean and free from grease. You can use for example LOCTITE SF 7063.
4. Cure rate is dependent on lamp intensity, distance from light source, depth of cure needed or bondline gap and light transmittance of the substrate through which the radiation must pass.
5. Cooling should be provided for temperature sensitive substrates such as thermoplastics.
6. Plastic grades should be checked for risk of stress cracking when exposed to liquid adhesive.
7. Excess uncured adhesive can be wiped away with organic solvent (e.g. Acetone).
8. Bonds should be allowed to cool before subjecting to any service loads.

Storage:
Store product in the unopened container in a dry location. Storage information may be indicated on the product container labeling. Optimal Storage: 8 °C to 21 °C. Storage below 8 °C or greater than 28 °C can adversely affect product properties. Material removed from containers may be contaminated during use. Do not return product to the original container. Henkel Corporation cannot assume responsibility for product which has been contaminated or stored under conditions other than those previously indicated.

Parameters:
  • Glass Transition Temperature, ASTM E 228, °C : 82
  • Water Absorption, ISO 62, %:
    - 2 hours in water at 100 °C : 5.9
    - 7days in water at 22 °C : 8.8
  • Linear Shrinkage, in/in : 2.0
  • Shore Hardness, ISO 868, Durometer D : 67
  • Elongation, at break, ISO 527-3, %: 32
  • Tensile Strength, ISO 527-3 N/mm²: 19.5

    Further information about product can be found in technical data sheet
  • Assortment