Surtec 650 Surtec 650V

SurTec 650V is a hexavalent chromium free passivation for aluminium, suitable for alloyed and casted aluminum . It is also used as a pre-treatment before lacquering, pSurtec 650owder coating and gluing.

It is easy to handle in immersion, spray and wipe application and produces an iridescent, faintly blue to tan and visible layer.

It has excellent bare corrosion protection comparable to hexavalent passivation.

Approved by Qualicoat it meets or exceeds MIL-DTL-81706B and MIL-DTL-5541F for bare corrosion (336 h in neutral salt Spray per ASTM B-117, respectively, DIN EN ISO 9227). Electrically it has a low contact resistance: < 5000 μOhm per square inch per MIL-DTL-81706B.

Processes conform to but not limited to :-

MBDA Missile Systems BMS 1999 Rev 4
Zodiac Aerospace EPS 2018

Why use Diamond Metal Finishing?

Because you need a metal finisher who is reliable and can give you the customer the very best quality available by processing your parts to an unrivalled consistent, uniform, aesthetically pleasing quality, finished right first time to meet the relevant performance criteria.
Further technical advice is available by using our contact form.

Spray painters and production operatives are required for immediate start within our metal finishing facility.
Experience preferred but not essential, shift work may be required.
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