TS ISO 9958-2

TS ISO 9958-2 addresses test methods for determining the properties of polyester-based draughting film used in technical drawing. In practical terms, this type of film serves as a medium for drawn or written information that may need to be duplicated, revised, and stored, so the standard focuses on how its performance is assessed rather than on the film as a finished product category.

In general technical use, polyester draughting film is valued for its dimensional stability, transparency, durability, and suitability for precise line work. Properties such as surface behaviour, stability under use, and the way the material accepts technical markings are important in drawing-room practice. This standard covers the methods used to determine those properties; it does not, by itself, define all product performance expectations or quality classes.

Why property determination matters for technical drawing film

Drafting film is more than a transparent carrier for ink or pencil lines. Its behaviour affects legibility, reproducibility, correction work, and long-term storage of technical information. Polyester-based film is especially relevant where repeated handling and reliable retention of drawings are important. Property determination helps users compare materials on a consistent basis.

• The standard applies to draughting films with a biaxially oriented polyethylene terephthalate base.
• Its scope is test methods for determining the properties of those films.
• The intended use is as a medium for drawn and written information that can be duplicated, revised, and stored.
• It defines how properties are determined, not the full design of the film itself.