Brass handles are about two things.
The copper content. And the brush line quality. Get either one wrong and the handle looks cheap. This brushed brass lever door handles gets both right.
The base material is solid brass. Copper content is 57% or higher. Not steel with brass plating. Not zinc alloy with a brass sticker. Pick it up and feel the weight. One lever weighs 320 grams or more. Normal brass plated handles weigh about 200 grams. The difference is obvious in your hand.
The brush line depth is 0.08 to 0.12mm. Too shallow and you cannot see the lines. Too deep and dirt gets stuck in the grooves. The lines run straight along the length of the lever. When light hits it, you see a soft metal shine. Not a sharp glare.
The handle will not turn black.
Brass reacts with air and turns dark over time. We stop that with a protective layer. The closed oil layer is 5-10μm thick. This is not sticky oil. It dries into a clear film. It blocks sulfur in the air from reacting with the brass. The salt spray test reaches 72 hours with no black spots. A normal untreated brass handle starts to darken in 30 days in wet air.
We use German equipment for the brush lines. The line uniformity is ±0.02mm. The lever wall thickness is 2.0mm or more. The grip area diameter is about 14-16mm. It feels full in your hand. Not skinny. Not uncomfortable.
We test for sweat too.
We did an artificial sweat test. 24 hours of simulated human hand contact. No color change. This brushed brass lever door handles is safe for daily use. No worries about the oil from your fingers damaging the finish.
This handle works for high-end homes, boutique hotels, clubs, sales offices, and villas. MOQ is 500 sets. We can send samples for you to test the copper content yourself.
Specifications
|
Parameter |
Value |
|
Material |
Solid brass (Cu≥57%) |
|
Lever weight |
≥320g (brass plated ~200g) |
|
Brush line depth |
0.08-0.12mm |
|
Brush line uniformity |
±0.02mm |
|
Protective layer |
Closed oil, 5-10μm |
|
Salt spray test |
≥72 hours no black spots |
|
Artificial sweat test |
24 hours no color change |
|
Lever wall thickness |
≥2.0mm |
|
Grip diameter |
φ14-16mm |
|
MOQ |
500 sets |
|
Equipment |
German brush line machine |
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