ASTM D4956 Reflective Sheeting Types Overview

What does an ASTM D4956 Type mean?

An ASTM D4956 Type is a performance classification for retroreflective sheeting based on testing — not a nickname for glass-bead or prismatic structure. Agency specifications call Types; manufacturers prove them with reports.

Type families commonly referenced in traffic programs

Type family (examples)	Typical catalog neighborhood	Notes for buyers
Type I	Engineer grade programs	Confirm each SKU; do not infer from structure
Type III / IV	Many HIP / prismatic road-sign programs	HIP is a marketing grade spanning more than one Type possibility
Type VIII / IX / XI	Higher-performance / wide-angle / long-distance films	Match observation and entrance angle needs
EN RA1 / RA2	European performance classes	Not identical labels to ASTM Types; name standard/version

This table is an orientation aid for demo navigation. It is not a substitute for the governing specification or a SKU test report.

EN 12899-1 RA classes

RA1 and RA2 are performance classes. Do not present R3B or other manufacturer/national labels as a unified EN class without naming the specific specification.

How ReflectivePlus pages declare compliance

1. Marketing grade for navigation.
2. ASTM Type + demo report number field (replace with real report no.).
3. EN class only when the target market requires it.
4. Downloads: TDS / SDS / RA table / installation guide.
5. Clear DEMO labeling until lab data is attached.

Related product families

• Engineer Grade
• HIP
• Microprismatic traffic
• Long-distance