HDC EcoGraphic CHPL Specification & Technical Data

HDC EcoGraphic CHPL Specification & Technical Data

Key Features


The following are the key features for HDC EcoGraphic Custom High Pressure Laminate (HDC EcoGraphic C HPL) exterior grade graphic interpretation panels, interpretation boards and signs:

  • Exterior grade laminate suitable for interpretation panels, boards, signs and way finding markers

  • Constructed using recycled paper.

  • HDC EcoGraphic dHPL is totally recyclable.

  • Core Colour: Dark Brown.

  • Surface Finish: Gloss, Semi-gloss, Matt or Textured.

  • Fire retardant.

  • Impervious to moisture.

  • Scratch resistant.

  • Chip resistant.

  • Crack resistant.

  • Resistant to delamination.

  • Resistant to impact.

  • Extremely resistant graffiti.

  • Graffiti removed with water, white spirits, alcohol or acetone.

  • Resistant to UV rays.

  • 100% recyclable.

  • Maximum panel size of 2730m x 1230mm.



HDC EcoGraphic dHPL exterior interpretive panel thickness:

0.031" / 0.8mm
0.11" / 3.0mm
0.24" / 6.0mm
0.39" / 10.0mm
0.47" / 13.0mm


HDC EcoGraphic dHPL Density:

ISO 1183-1 : 2004
ASTM D792-08
Density >1.35 g/cm³


HDC EcoGraphic dHPL Modulus of Elasticity:

EN ISO 178 - Stress >9000 Mpa
ASTM D638-08 - Stress >1305000 psi


HDC EcoGraphic dHPL Flexural Strength:

EN ISO 178 - Stress >120 Mpa
ASTM D790-07 - Stress >17500 psi


HDC EcoGraphic dHPL Tensile Strength:

EN ISO 527-2 - Stress >70 Mpa
ASTM D638-08 - Stress >10150 psi


HDC EcoGraphic dHPL Dimensional Stability:

Dimensional stability at elevated temperature EN 438 -2 : 17
Cumulative dimensional change - longitudinal % 2 < to <5 mm / <0,40
Cumulative dimensional change - transverse % 2 < to <5 mm / <0,80


HDC EcoGraphic dHPL Resistance Immersion:

Resistance to full immersion - EN 438 - 2 : 15 - Mass increase <5%
ASTM D2842-06 - Water absorption 0.5%


HDC EcoGraphic dHPL Resistance Shock & Impact:

Resistance to climatic shock events EN 438 -2 : 19
appearance estimation = 4
flexural strength index Ds % = 95
modulus of flexion index Dm % = 95

Resistance to impact by ball EN 438 - 2 : 21
indentation diameter 2 = t = 6 mm (1.8m drop) = 106 = t mm = 10

Resistance to maculation EN 438 - 2 : 19
appearance group 1 - 2 5group 3 = 4


HDC EcoGraphic dHPL Resistance to UV Light:

Accelerated Light Ageing EN 4892 Parts 1 & 2 Appearance Light fastness 10 years
Accelerated light fastness (after 1500 hours) EN 438 - 2 : 29 contrast Grey scale ISO 105 A02 = 3
appearance Grey scale ISO 105 AO3 = 4
ISO 4611 appearance estimation = 4


HDC EcoGraphic dHPL Resistance Fire:
Fire resistance (Europe) EN 438-7 Classification 6-8 mm Euroclass D-s2, d0
Classification 10-14 mm Euroclass B-s1, d0
Fire resistance (Germany) DIN 4102-1 Classification Class B1