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Spacer made of PMMA

Product specification Chemical features: Resistant to weak acids and alkalis, salt... more

Product specification

Chemical features:

Resistant to weak acids and alkalis, salt solutions, aliphatic hydrocarbons, fats, oils and nonpolar solvents, e.g. gasoline

Material specification:

It is a crystal-clear material with high brilliance, transparency approx. 92 %

High scratch resistance and polishability

Good grinding resistance

Neutral in taste and odour

Physiologically safe

PMMA is printable, paintable and metallizable

High resistance to UV-radiation and weather

Only low formation of smoke when burning

Low toughness, thus impact- and notch-sensitive

Technical specification

Material: PMMA (polymethylmethacrylate); acrylic glass

Colour: transparent, clear

Density: 1.18 g/cm3 (DIN 53479)

Temperature range: -40 to +90 °C

Tensile modulus: 3,200 N/mm2 (DIN 53457)

Tensile strength: 73 N/mm2

Ball pressure hardness (10-sec. value): 195 N/mm2 (DIN 53456)

Rockwell hardness R: 93 MPa, (ASTM D 785)

Impact resistance: 11 kJ/m2 (DIN 53453)

Notch impact strength: approx. 2 kJ/m2 (DIN 53453)

Notch impact strength (Izod): 16 - 32 J/m2 (ASTM D 256)

Thermal conductivity: 0.17 - 0.19 W/m * K (DIN 5261)

Dielectric strength: approx. 30 kV/mm (DIN 53481)

Volume resistivity: >1015 Ohm x cm (DIN 53482)

Surface resistance: 1015 Ohm (DIN 53482)

Comparative track. index (CTI): >600 (DIN 53480)

Dielectric constant: 2.6 at 1 MHz (DIN 53483)

No additional information available.
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