LOCTITE 438/20G – Instant Adhesive Toughened Black

Loctite 438/20g – Instant Adhesive Toughened Black

Loctite 438 Instant Adhesive – Toughened, black, fast.

Loctite 438 is a rubber toughened adhesive with increased flexibility and peel strength along with enhanced resistance to shock. The product provides rapid bonding on a wide range of materials, including metals, plastics and elastomers, as well as porous and absorbent materials like wood, paper, leather and fabric.

Product Description

Technology: Cyanoacrylate
Chemical Type: Ethyl cyanoacrylate
Appearance (uncured): ) Black liquid
Components: One part – requires no mixing
Viscosity: low
Cure: Humidity
Application: Bonding
Key Substrates: Metals, Plastics and Rubbers

Typical Properties of Uncured Material

Specific Gravity @ 25°C: 1.1
Viscosity, Cone & Plate, mPa·s (cP):
–Temperature: 25°C, Shear Rate: 1,000: 100 to 250

Typical Performance of Cured Material

Cured for 24 hours @ 22°C
Lap Shear Strength: ISO 4587

Steel (grit blasted): N/mm² 19 (psi) (2,800)

Aluminum: N/mm² 18 (psi) (2,600)

Nitrile: N/mm² 0.3 (psi) (40)

EPDM: N/mm² 0.4 (psi) (60)

Block Shear Strength: ISO 13445

ABS: N/mm² 10 (psi) (1,500)

PVC: N/mm² 12 (psi) (1,800)

Polycarbonate: N/mm² 6 (psi) (820)

Phenolic: N/mm² 11 (psi) (1,500)

G-10 Epoxy: N/mm² 20 (psi) (2,900)

Tensile Strength, ISO 6922:
Steel (grit blasted): N/mm² 34 (psi) (4,900)
Buna-N: N/mm² 4 (psi) (550)

Side Impact Resistance J: Aluminum ≥4

Cured for 48 hours @ 22°C
Lap Shear Strength: ISO 4587
Steel (grit blasted): N/mm² ≥15 (psi) (≥2,175)

180° Peel Strength: ISO 8510-2
Steel (grit blasted): N/mm 4 (lb/in) (20)

Storage
Please store this product in the unopened container in a dry location.
Further storage information may be indicated on the product container labeling.

General information
This product is not recommended for use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidizing materials.

Not sure if this product is right for you?
If you are not sure if this product is right for your requirements, please contact our friendly sales team and they will be able to help you.