Measuring the Gloss of Ford FLTM BI 110-01 Paint Panels

The “Ford FLTM BI 110-01 Measurement of Gloss of Paint Panels” standard, developed by Ford Motor Company (Ford), describes a test method used to determine the specular gloss of painted automotive surfaces. This standard establishes procedures for measuring how much light is reflected from a painted panel, providing an objective assessment of surface appearance and finish quality. This method is widely used in automotive paint development, production quality control, and supplier verification.

The primary objectives of the Ford FLTM BI 110-01 standard are as follows:

• Measuring the gloss level of painted panels and components.
• To verify compliance with Ford's appearance requirements.
• To ensure consistency between production batches.
• To support the evaluation of new coating formulations and paint processes.
• To provide quantitative data for comparing surface finishes.

In principle, this testing method measures specular reflectance, which is the amount of light reflected from a surface at a given angle. A gloss meter projects a beam of light onto the painted surface and measures the intensity of the reflected light. This method follows principles similar to those used in the following standards:

• ISO 2813 Paints and varnishes - Determination of gloss value at 20 degrees, 60 degrees and 85 degrees angles.
• ASTM D523 Standard test method for reflective brightness.

The Ford FLTM BI 110-01 standard specifies brightness measurements using three geometries:

• 20-degree geometry: For high-gloss surfaces.
• 60-degree geometry: General purpose brightness measurement.
• 85-degree geometry: For low-gloss or matte surfaces.

These geometries help to accurately characterize different surface appearances.

The testing process generally follows these steps:

• Sample preparation: Painted panels are prepared according to Ford coating specifications and conditioned under controlled laboratory conditions.
• Device calibration: The brightness meter is calibrated using certified reference standards.
• Measurement: Multiple readings are taken at the indicated points on the painted surface, using the required measuring angle.
• Data evaluation: Brightness values ​​are averaged and compared to Ford's acceptance requirements.

This standard reports brightness in brightness units (GU). Typical evaluation criteria include:

• High-gloss varnish finish
• Homogeneity throughout the colored component.
• Surface quality after exposure to environmental influences.
• Changes caused by aging, weathering, polishing, or repair processes.

The measured values ​​are compared to the engineering specifications for the vehicle program.

A key feature of the Ford FLTM BI 110-01 standard is that instrumental gloss measurements support, but do not replace, visual assessment. Ford states that visual appearance assessments according to the Ford FLTM BI 109-01 standard are mandatory for appearance approval because human perception can detect differences not always reflected by numerical gloss values.

The Ford FLTM BI 110-01 standard is commonly used for:

• Exterior body paint systems
• Varnish performance evaluation
• Supplier paint qualification
• Production quality control checks
• Durability and weather resistance studies
• Paint repair verification

This method helps ensure that painted surfaces maintain a consistent, superior appearance throughout the vehicle's production process.

The Ford FLTM BI 110-01 standard is essential because it provides a standardized method for measuring the gloss of painted automotive surfaces. Gloss is a critical visual characteristic that directly affects a customer's perception of vehicle quality, durability, and workmanship. The main reasons this standard is considered important are as follows:

• Ensures a consistent vehicle appearance: Modern vehicles are manufactured in multiple factories and may use components from numerous suppliers. Without a common gloss measurement method, painted parts can show noticeable variations in gloss. This standard ensures:
  • The appearance of the body panels is consistent with each other.
  • The gloss levels of the painted plastic and metal components are consistent.
  • Vehicles produced in different facilities maintain the same visual quality.
• It provides objective quality control: Visual inspections alone can be subjective and influenced by:
  • Lighting conditions
  • Auditor's experience
  • Point of view
  • Human perception

This standard provides numerical gloss values, enabling Ford and its suppliers to make objective and repeatable assessments of paint quality.

• It supports supplier competence: Automotive manufacturers rely on a broad supply chain for painted parts, such as those listed below:
  • Tampons
  • Mirror bodies
  • Exterior trim
  • Interior decorative components

This standard provides a common testing procedure that suppliers must follow, ensuring all components meet Ford's appearance requirements before delivery.

• It detects process variations: Changes in production conditions can affect brightness, including:
  • Paint formulation
  • Application thickness
  • Spray parameters
  • Curing temperature
  • Transparent coating performance

Regular brightness measurements help identify process deviations before they become visible defects in production equipment.

• It evaluates the durability of coatings: Automotive coatings are exposed to the following:
  • Sunlight (UV radiation)
  • Rain and humidity
  • temperature changes
  • Road pollutants
  • Car washing and polishing

This standard is typically used before and after durability testing to determine whether the coating retains its original appearance.

• It helps develop new materials: Ford is constantly improving the following:
  • New paint systems
  • Coatings with low volatile organic compounds
  • Sustainable coating technologies
  • Advanced transparent coatings

This standard provides a quantitative method for comparing the appearance performance of new materials to existing standards.

• It complements other appearance standards: Gloss is only one aspect of surface appearance. This standard is generally used in conjunction with other appearance assessments:
  • Visual appearance evaluations
  • Color measurements
  • Image clarity
  • Orange peel evaluation
  • Surface texture measurements

These methods, taken together, provide a comprehensive assessment of paint quality.

In conclusion, the Ford FLTM BI 110-01 standard defines a reliable, objective, and repeatable method for measuring paint gloss. This standard helps ensure a consistent appearance across vehicles, supports supplier quality control, monitors manufacturing processes, evaluates coating durability, and maintains the high aesthetic standards expected in the automotive industry. Without such a standardized method, achieving a uniform paint appearance in global vehicle production is significantly more difficult.

For many years, our organization, with its competent and experienced staff, has been understanding the needs of its customers, providing the advanced testing services they require, and assisting them in the establishment, implementation, and improvement of management systems. Within this framework, we also provide testing services compliant with the Ford FLTM BI 110-01 standard.