Our interior design materials specifications

Interior design materials
We sell these award winning materials. Press HOME or MATERIALS
Interior design materials specifications
-- HOME --
MATERIALS
CONTACT

Interior design materials specification

Those are our materials specifications. They can be read online.

PMMA homopolymeric and copolymeric in sheet and block form

CHEMICAL COMPOSITION

  • PMMA (polymethyl acrylate) 96-100% depending on compound

  • Functional monomers and other additives 0-4% depending on compound

  • Estimated molecular weight between 3.8×106 and 9.5×106
  • Residual constituents of free monmers <1% (typical 0.45%) depending on compound

MECHANICAL

  • Density 1.19 g/cm3 ISO 1183
  • Impact value 1.8 K/m2 ISO 180/1A
  • Tensile strength at 20°C 68 Mpa ISO 527
  • Elongation at rupture 4 % ISO 527
  • Bending properties 103 Mpa ISO 178
  • Compressive strength 103 Mpa ISO 604
  • Ball impact strength 166 Mpa ISO 2039-1
  • Scratch resistance after grinding wheel test 37 % Haze ISO 9532

ACOUSTIC

  • Acoustic velocity at 20°C 2800 m/s
  • Estimated sound insulation value Rw for 10mm 32 dB

OPTICAL

  • Transmittance 92.2 % DIN 5036/3
  • UV-translucence no %
  • Reflection loss < 4 %
  • Total energy transmission factor g 84 % DIN EN 410
  • Absorption in visible range < 0.05 %
  • Optical refraction index 1.49 ISO 489

ELECTRICAL

  • Earth resistance > 1014 DIN VDE 0303
  • Surface resistance > 1014 DIN VDE 0303
  • Dielectric coefficient at 60Hz 3.5 DIN VDE 0303
  • Dielectric loss factor at 60Hz 0.065 DIN VDE 0303

BEHAVIOUR IN WATER

  • Water absorption 24h 20°C sample 65x65x2mm3 42 mg ISO 62
  • Max. increase in weight after water absorption 2.2 % ISO 62

THERMAL

  • Linear coeff. of expansion between 0 and 55°C 0.07 mm/m°C DIN 53572-A
  • Possible expansion through heat and moisture 7 mm/m
  • Thermal conductivity 0.19 W/mK DIN 52612
  • Coeff. of thermal conductivity sample 10mm 4.45 W/m2K DIN 4701
  • Specific heat 1.47 J/gK
  • Recommended forming temperature 140 C
  • Maximum surface temperature 190 C
  • Maximal recommended continued use temp. 81 C
  • Relaxation temperature > 85 C
  • Auto-inflammation temperature 420 C
  • Waste gas volume low
  • Toxicity of waste gases no
  • Corrosivity of waste gases no
  • Material class B2
  • Fire protection class E
  • Vicat-softening temperature 112 C