In aviation there is no margin for a flawed fastener. Every part that joins an airframe must hold under extremes of temperature, vibration and corrosion exposure while meeting the industry’s most demanding specifications. It is exactly the standard we design our aviation coating to — and it has been trusted on a program at the frontier of Chinese aerospace.

Why Coating Integrity Matters in Aviation

An aircraft fastener must resist corrosion without compromising mechanical properties. Coating consistency, adhesion and documented process control are not optional: they are part of airworthiness. A coating failure on a single fastener can compromise a joint in a way that is impossible to accept at altitude.

Our Aviation-Grade Aluminum Coating

BOL Chemistry applies aviation-grade aluminum coating to aircraft fasteners — a process trusted in the C919 program, where coating integrity is a non-negotiable part of airworthiness. The coating delivers:

• Consistent thickness across the fastener geometry
• Strong adhesion to the substrate
• Corrosion protection aligned with aerospace requirements
• Full process documentation and traceability

Engineering for the Service Environment

We engineer the coating to each fastener and its service environment — because in the air, the margin for error is zero.