Metal guard series products include

Phosphating and phosphating film series

Blackening and antirust series

Heat treatment and chemical conversion film series

Metal protective agent series

Long time protection

Comply with ASTM d-2247 and ASTM b-117.

Meet mil-c-6173 grade 3 specification.

Design features for various substrates, duration, environmental factors and different characteristic requirements:

No flash point

It does not contain any grease substances

Free of barium and its compounds