Large-Capacity Salt Spray Corrosion Testing

DR-H304-160 Salt Fog Test Chamber

An approximately 800 L salt fog chamber with a 1600 × 1000 × 500 mm working space for corrosion testing of larger components and higher specimen quantities. Its corrosion-resistant PVC construction, continuous or periodic spray control and adjustable specimen rack support repeatable salt spray exposure for metals, coatings, fasteners, electronics and automotive parts.

DR-H304-160Product model

800 LApproximate test volume

1600 mmInternal chamber width

1–2 ml/80 cm²/hSpecified fog collection rate

What the “160” Configuration Provides

The “160” designation refers to the chamber’s 1600 mm internal width—not a 160 L capacity. With internal dimensions of 1600 × 1000 × 500 mm, the usable workspace is approximately 800 L.

This larger horizontal test area is intended for long panels, multiple coated coupons, automotive components, fasteners, electrical enclosures and other specimens that do not fit comfortably inside a small benchtop cabinet.

Selection point: usable capacity depends on specimen geometry, rack angle, spacing and the need to avoid direct interference with fog distribution or condensate runoff. Send a loading drawing before ordering.

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Temel Uygulamalar

Coatings and plated metals

Compare protective coating systems and identify pores, discontinuities, edge corrosion, blistering or underfilm attack using an agreed exposure and evaluation method.

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Expose fasteners, brackets, stamped parts, connectors and coated assemblies to a controlled salt fog environment before appearance, rating or functional evaluation.

Electrical and electronic products

Assess enclosures, connectors, terminals and metal hardware where salt-laden environments may contribute to corrosion or loss of electrical reliability.

Marine-related hardware

Evaluate materials, finishes and components intended for coastal or salt-exposed service under a repeatable laboratory condition.

Industrial quality control

Compare batches, suppliers or surface-treatment processes using the same specimen preparation, placement, exposure and acceptance criteria.

Research and validation

Support material screening and failure investigation when salt fog results are interpreted together with product-specific and field-performance evidence.

Teknik Özellikler

Parametre	cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits	1600 × 1000 × 500 mm
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits	800 L
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits	cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
Oda malzemesi	cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
Sıcaklık aralığı	cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
Sıcaklık dalgalanması	≤ ±0.5°C
Sıcaklık homojenliği	≤ ±2°C
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits	±1°C
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Sis toplama oranı	cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
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ISO 9227:2022 covers neutral salt spray (NSS), acetic acid salt spray (AASS) and copper-accelerated acetic acid salt spray (CASS), and includes evaluation of cabinet corrosivity. The applicable method and chemical-resistant configuration must be identified before the order is finalized.

Do not confuse salt fog with cyclic corrosion testing: GMW14872 and other cyclic automotive methods may require controlled humidity, drying, solution application and multi-stage climate transitions. A standard salt fog chamber should not be claimed as GMW14872 compliant unless those additional functions are specifically engineered and validated.

Current standard editions: ASTM currently lists B117-26 as active. Always use the edition required by the customer’s product specification or laboratory quality system.

How to Specify the Chamber Correctly

Identify the method

Specify ASTM B117, ISO 9227 NSS/AASS/CASS or the exact product standard and revision.

Define the load

Provide specimen dimensions, quantity, weight, rack angle and a proposed loading drawing.

Set the exposure

Confirm duration, inspection intervals, interruption rules and required fog collection checks.

Confirm utilities

Verify power, compressed air, purified water, drainage and exhaust conditions at the installation site.

Define evaluation

State appearance, corrosion-area rating, mass-loss, functional or coating-adhesion acceptance criteria.

Review safety

Confirm solution handling, ventilation and wastewater treatment requirements with the facility’s EHS team.

Installation and Utility Requirements

Ürün	Planning requirement
Ambient environment	Recommended 5–30°C, ≤85% RH, level floor and adequate ventilation; keep away from heat, direct sunlight and strong vibration
Su	Use distilled or deionized water suitable for the governing test method and chamber steam/spray system
Compressed air	Clean, oil-free and stable air supply; confirm flow, pressure and filtration with the final utility drawing
Exhaust	Route corrosion-resistant exhaust safely outdoors with minimal restriction; the final route must follow DERUI’s installation drawing and local requirements
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Service clearance	Allow sufficient clearance around the cabinet for cover movement, solution filling, maintenance and electrical access

Operation and Maintenance Priorities

Prepare the solution and adjust pH using the procedure specified by the governing standard.
Verify chamber and saturated-air temperatures before starting the formal exposure.
Check fog collection at the specified locations and interval; do not infer compliance from pressure alone.
Prevent specimens from contacting one another and avoid condensate runoff from one specimen onto another.
Rinse the spray circuit and nozzle with suitable purified water after testing to reduce salt crystallization.
Inspect air filters, seals, heaters, sensors, solution lines and safety alarms on a documented schedule.
Use calibration and cabinet-corrosivity checks required by the laboratory quality system.

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