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IS 15682:2017 is the Indian Standard (BIS) for hot applied thermoplastic road marking materials - specification. This standard specifies the requirements for hot-applied thermoplastic materials used for marking on road surfaces. It covers the material's composition, physical properties like colour, luminance, skid resistance, and retro-reflectivity, as well as sampling and testing methods.
Specifies requirements for hot-applied thermoplastic materials used for durable pavement markings on roads and highways.
! Proper pavement surface preparation (clean, dry, and dust-free) is critical for achieving good adhesion.
! The material application temperature, typically between 180°C and 210°C, must be strictly controlled to prevent material degradation and ensure performance.
! Immediate and uniform application of drop-on glass beads is essential for achieving the required initial retro-reflectivity.
EN 1871:2000CEN (European Committee for Standardization), Europe
HighCurrent
Road marking materials - Physical properties
Specifies laboratory test methods and requirements for the physical properties of road marking materials, including thermoplastics.
AASHTO M 249-12 (2020)AASHTO (American Association of State Highway and Transportation Officials), USA
HighCurrent
Standard Specification for White and Yellow Thermoplastic Striping Material (Solid Form)
Covers thermoplastic material applied to road surfaces in a molten state by screed or extrusion methods.
BS EN 1871:2000BSI (British Standards Institution), UK
HighCurrent
Road marking materials. Physical properties
The UK's adoption of the European standard EN 1871, detailing physical property requirements for road marking materials.
AS/NZS 4049.2:2005Standards Australia / Standards New Zealand, Australia/New Zealand
MediumCurrent
Paints and related materials — Pavement marking materials, Part 2: Thermoplastic
Details requirements for thermoplastic pavement marking materials for use on roads and other paved surfaces.
Key Differences
≠IS 15682 mandates a specific minimum Skid Resistance Value (SRV) of 45 BPN, while EN 1871 uses a class system for the Polished Stone Value (PSV) of the aggregates, and AASHTO M 249 does not specify a direct skid resistance value for the material itself.
≠The minimum softening point in IS 15682 is higher (≥ 102.5 °C) compared to AASHTO M 249 (≥ 93 °C) and the base class in EN 1871 (Class SP1: ≥ 80 °C), indicating a requirement for higher heat resistance in the Indian context.
≠IS 15682 specifies a single minimum luminance factor for white material (≥ 70), whereas EN 1871 provides different classes (e.g., B1 ≥ 75, B2 ≥ 80), offering more flexibility based on road type and usage.
≠The test for flow resistance is more stringent in AASHTO M 249 (≤ 18%) compared to IS 15682 (≤ 25%), suggesting a higher tolerance for material deformation under heat in the Indian standard.
Key Similarities
≈All standards specify a material primarily composed of a binder, pigments, fillers, and intermix glass beads, intended for hot application by screed or extrusion.
≈Both IS 15682 and AASHTO M 249 specify an identical minimum binder content of 18.0% by mass, a critical parameter for durability and adhesion.
≈Both IS 15682 and AASHTO M 249 mandate a minimum of 10.0% Titanium Dioxide (TiO2) content by mass for white thermoplastic material, ensuring opacity and whiteness.
≈All referenced standards require a significant percentage of intermix glass beads (typically ≥ 30%) to be pre-mixed into the material to provide sustained retroreflectivity as the marking wears.
Parameter Comparison
Parameter
IS Value
International
Source
Softening Point (Ring & Ball)
≥ 102.5 °C
≥ 93 °C
AASHTO M 249
Binder Content (% by mass, Min)
18.0 %
18.0 %
AASHTO M 249
Intermix Glass Beads (% by mass, Min)
30.0 %
30.0 % (range is 30-40%)
AASHTO M 249
Titanium Dioxide (TiO2) in White Material (% by mass, Min)
10.0 %
10.0 %
AASHTO M 249
Luminance Factor (ß) / Daylight Reflectance at 45° (Y) for White
≥ 70
≥ 75
AASHTO M 249
Skid Resistance Value (SRV / BPN)
≥ 45
Not specified for material (specified for aggregate PSV)
EN 1871
Flow Resistance (% after 48h @ 40°C)
≤ 25 %
≤ 18 %
AASHTO M 249
Drying Time (at 32°C)
≤ 15 min
≤ 10 min (no-track time)
AASHTO M 249
⚠ Verify details from original standards before use