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Salt spray machine tests metal corrosion

Producer: SEMIKI

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Buồng thử nghiệm phun muối là thiết bị mô phỏng khí hậu dùng để thử nghiệm sự ăn mòn của thiết bị điện tử, vật liệu kim loại, cũng như một số xử lý bề mặt như phủ, mạ kẽm, phủ hữu cơ/vô cơ, xử lý anot hóa, phủ dầu chống gỉ, v.v.
Các chỉ số hiệu suất phù hợp với yêu cầu của GB / T5170.8 Sản phẩm điện và điện tử, Thiết bị thử nghiệm môi trường, Các thông số cơ bản của Phương pháp thử nghiệm.
Buồng thử nghiệm ăn mòn phun muối theo Quy trình thử nghiệm môi trường cơ bản của GB / T2423.17 Sản phẩm điện và điện tử Thử nghiệm: Muối

Salt Spray Corrosion Test Chamber

ASTM B117 Salt Spray Corrosion Test Machine for Accelerated Corrosion Testing can be used for a variety of materials including coating, surface treatment, electroplating, organic and inorganic coating, anodizing, rust proof oil and preservative treatment test of its corrosion resistance, so as to establish the quality of the products.

Salt Spray Fog Testing Chamber Features:
. Adopt automatically or manually adding water system, can watered by itself while lack of water.
. Precise glass spray nozzle, good uniformity, mist dropping naturally, no NaCl crystallized salt
. Double over-heat protection devise and alarm when water short storage to ensure use safety.
. Digitally temperature controller, PID controlled, precision of ± 0.1º C
. Laboratory direct steam-heated, even heating speed, reducing the standby time.
. Tapered Spray tower, even mist dropping
. Saturated bucket is SUS #304, convenient for heating and humidifying, offer humidity for testing
. Concentration of NaCl: 5%; PH of the water: 6.5-7.2 (Liquid)

Specifications:

The salt spray test chamber is a climate simulation device that tests the corrosion of electronic equipment, metallic material, as well as some surface treatment–coating, galvanizing, organic/inorganic coating, anodizing treatment, rust-proof oil coating, etc.

Performance indicators in line with requirements of GB / T5170.8 Electrical and Electronic Products, Environmental Testing Equipment, the Basic Parameters of the Test Method.

The salt spray corrosion test chamber according to GB / T2423.17 Electronic and Electrical Products Basic Environmental Test Procedures Test: Salt

Salt Spray Corrosion Test Chamber SH-120 (Capacity 500L/ saline capacity 40L) at Semiki's warehouse

Salt Spray Corrosion Test Chamber SH-90 (Capacity 270L/ saline capacity 25L) at Semiki's warehouse

Salt Spray Tester – Salt Spray Cabinet – Chamber Fog Apparatus is popular because it is relatively inexpensive, quick, well standardized, and reasonably repeatable. Although there may be a weak correlation between the duration in salt spray test and the expected life of a coating in certain coatings such as hot-dip galvanized steel, this test has gained worldwide popularity due to low cost and quick results.

Most Salt Spray Testers and Chambers – Cabinets today are being used not to predict the corrosion resistance of a coating, but to maintain coating processes such as pre-treatment and painting, electroplating, galvanizing, and the like, on a comparative basis. For example, pre-treated + painted components must pass 96 hours Neutral Salt Spray, to be accepted for production.

Failure to meet this requirement implies instability in the chemical process of the pre-treatment, or the paint quality, which must be addressed immediately so that the upcoming batches are of the desired quality. The longer the accelerated corrosion test, the longer the process remains out of control, and larger is the loss in the form of non-conforming batches.

The principal application of the salt spray tester is, therefore, enabling quick comparisons to be made between actual and expected corrosion resistance. Most commonly, the time taken for oxides to appear on the samples under test is compared to expectations, to determine whether the test is passed or failed.

For this reason, the salt spray tester is most often used in a quality control role, where, for example, it can be used to check the effectiveness of a production process, such as the surface coating of a metallic part.

The salt spray tester has little application in predicting how materials or surface coatings will resist corrosion in the real world, because it does not create, replicate or accelerate real-world corrosive conditions. Cyclic corrosion testing is better suited to this and you can check Qualitest’s Cyclic Corrosion Test Cabinet range for such requirements.