Kafuter K-5905 Quick Dry Silicone Adhesive for Industrial Bonding and Sealing

Wei Xuemeng
A Xueshi
Bin Jihuaqiang
Shi Jiuzhai
Performance Name
Appearance
Density (g/cm³)
Surface drying time (25°C, min)
Tensile strength (MPa)
Elongation at break (%)
Shear strength (MPa)
Hardness (shore A)
Operating temperature range (°C)
Dielectric constant (100Khz)
Dielectric strength (kV/mm)
Volume resistivity (Ω·cm)
K-5905
Colorless translucent paste
1.0 – 1.1
< 10

 

1.6
200
1.6
25 – 35
-60 – 200
< 3.0
15
1.0×10^14
Category:
Kafuter K-5905 Quick Dry Silicone Adhesive is a one-component, room-temperature-curing silicone bonding and sealing material developed for rapid positioning of industrial parts. The semi-transparent, non-flowing paste combines fast skin formation with electrical insulation, moisture resistance, vibration resistance, and reliable adhesion to compatible metals and many engineering plastics. Its controlled consistency allows clean application on vertical, curved, and irregular surfaces, making it suitable for LED lighting, guardrail tubes, electronic equipment, plastic housings, metal components, and general industrial assembly.

Kafuter K-5905 Quick Dry Silicone Adhesive
Semi-transparent quick-drying silicone adhesive for LED products, metal tubes, plastic housings, electronic equipment, and industrial sealing.

Kafuter K-5905 Quick Dry Silicone Adhesive Performance

K-5905 is part of Kafuter’s quick-drying silicone adhesive range. Official product information lists a skin-over time of no more than ten minutes at 25°C, helping manufacturers move bonded parts through positioning, inspection, and subsequent assembly stages more efficiently. The paste structure remains where it is dispensed and is especially useful when a low-viscosity sealant could flow away from the target joint.

Published reference properties include tensile strength of at least 1.6 MPa and shear strength of at least 2.0 MPa. These values support rapid positioning and flexible bonding in correctly designed industrial joints. After curing, the silicone forms an elastic material that can accommodate vibration, impact, thermal cycling, and differences in expansion between joined substrates. This flexibility helps reduce stress concentration around plastic parts, thin metal components, lighting assemblies, and precision housings.

Kafuter K-5905 Quick Dry Silicone Adhesive Applications

The product is recommended for quick positioning and bonding of guardrail tubes and other industrial products. It can also be evaluated for LED strip channels, lamps, lighting housings, electronic instruments, connectors, cable outlets, plastic covers, metal brackets, control boxes, and household electrical products. Its semi-transparent appearance helps keep exposed joints visually unobtrusive while allowing operators to inspect coverage during application.

K-5905 provides useful bonding and sealing on compatible metal and most plastic surfaces. It can help block moisture, stabilize parts exposed to vibration, and protect selected electrical assemblies against leakage paths and environmental contamination. For electronics, users should verify corrosion behavior, electrical insulation, compatibility with coatings, and long-term performance on actual components before mass production.

7 Benefits of Kafuter K-5905 Quick Dry Silicone Adhesive

  • Quick skin formation: Reaches a surface-dry condition in ten minutes or less at 25°C.
  • Non-flowing paste: Supports controlled application on vertical and irregular surfaces.
  • Flexible cured seal: Accommodates vibration, impact, and thermal movement.
  • Multi-material adhesion: Bonds compatible metals and many common plastics.
  • Electrical insulation: Suitable for evaluated electronic and electrical assemblies.
  • Moisture protection: Helps seal joints against humidity and environmental contamination.
  • Dual functionality: Provides both component positioning and flexible joint sealing.

Applying Kafuter K-5905 Quick Dry Silicone Adhesive

Remove oil, grease, dust, moisture, oxidation, old sealant, and release agents from the bonding surfaces. Ensure the parts are dry before dispensing. Cut the nozzle to match the required bead size, apply a continuous layer to one surface, and assemble the components before the product develops a surface skin. Use temporary fixtures when necessary to maintain alignment while the adhesive gains handling strength.

Cure speed depends on temperature, humidity, bead thickness, joint depth, and access to atmospheric moisture. Thick sections and enclosed joints require more time because moisture must diffuse through the silicone. Avoid applying excessive material into deeply confined spaces without confirming complete cure. Production qualification should include adhesion, movement, sealing, electrical performance, thermal cycling, vibration, and aging tests on representative assemblies.

Storage, Handling, and Official Product Information

Keep unused product tightly sealed and protect it from moisture, contamination, direct sunlight, and excessive heat. Use suitable ventilation and follow the current safety data sheet for personal protection, storage, spill response, and disposal. Packaging, shelf life, and storage temperature can vary by market, so confirm the current label and model-specific documentation before purchasing or establishing inventory limits.

Review the official Kafuter K-5905 product information and the official Kafuter industrial application guide for current properties and application positioning.

Explore our quick-dry silicone adhesives for additional fast-positioning products. Browse our electronic bonding and sealing adhesives for LED lighting, housings, connectors, cables, control equipment, and industrial electronics. Contact our sales team for quotations, samples, packaging options, technical documents, bulk orders, and export support.