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Black, toughened ethyl-based instant adhesive. Well suited to plastics, rubbers, metals as well as porous/acidic surfaces.

Loctite ® 438™ Prism ® Low viscosity, black, rubber toughened, one part, room temperature cure, instant adhesive designed for bonding metal, rubber and plastics. Excellent peel, impact and sheer strength.

Size: 25ml

Technical data

  • Fixture time: 10 – 20 sec.
  • Colour: black
  • Suited for plastics
  • Suited for polyolefines in combination with Primer Loctite 770 or Loctite 7239
  • Suited for rubbers
  • Well suited for metals
  • Well suited for porous and/or acidic surfaces
  • Viscosity in mPa·s: 200
  • Service temperature range: -40 °C to +100 °C


  • Cures very quickly when confined between two surfaces
  • Ideal for bonding small to medium-size parts
  • Excellent adhesion to most substrates
  • Suitable for rubbers and plastics
  • Well suited to metals, porous and/or acidic surfaces
  • Fixture time of 10 - 20 secs.
  • Solvent-free
  • Toughened, black


  • AIMS SKU A0049799
  • Brand Loctite
  • Model Number 438-25ML-LOC
  • Barcode Number 9310743006742
  • Type Adhesive
SKU: A0049799

Loctite 438 Prism Instant Adhesive - Black/Toughened 25ml

Loctite ® 438™ Prism ® Instant Adhesive, Black/Toughened


How it works.

Make 4 payments of $6.96 over 8 weeks and get it now!

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5/5 based on 1 review.
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Excellent Product, Quality Supplier

"Loctite 438 is my go to product for assembling Resin 3D Printed scale models for Clients. Finding a Supplier that has a good price and quick service proved difficult in 2020 until I stumbled across AIMS while browsing other supplies. Thanks to quick turnaround by the AIMS Team, I managed to keep my Clients happy and ensure repeat business."


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