Bondable coatings

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Bondable coatings can be applied to bare wire or as a second coat over the top of any of the insulations that are offered. The amount of coating applied can be standard NEMA or JIS build or thinner amounts as required.

If a special coating or insulation is required Sandvik will work with you to develop a process for its use. Sandvik has, for example, developed low out-gassing, high-temperature, self-bondable coatings specifically designed for the hard disk drive industry to reduce contamination and deliver good resonance performance.

Sandvik designation Description Maximum usage temperature* Bonding technique
Bond B Thermoplastic polyvinyl butyral 100°C (210°F) Methanol, acetone or heat activated
Bond CJL Thermoplastic polyester Acetone, methyl ethyl ketone or heat activated
Bond E1 Thermoplastic epoxy 130°C (265°F) Acetone, MEK or heat activated
Bond MA Thermoplastic polyamide 155°C (310°F) Methyl alcohol, isopropyl alcohol or heat activated
Bond TT Thermoplastic polyamide Isopropyl alcohol or heat activated
Bond XTS Thermosetting epoxy 155°C (310°F) MEK or heat activated
Bond XTC Thermoplastic polyamide 200°C (390°F) Heat activated
Bond MA50** Thermoplastic polyamide 200°C (390°F) Methyl alcohol or heat activated

* The maximum usage temperature is based on the temperature at which the adhesive retains 5 - 10% of it's room temperature strength.

** Contact us for more information.

Metallic coatings

Sandvik provides several types of metallic coatings such as anodizing, electroplating and electropolishing. As a standard, Sandvik offers gold-plated wire, nickel-plated wire and silver-plated wire, but also other types of electroplating can be manufactured on request. Additionally, Sandvik works with cladding and cladded alloys.