Evonik Paraglas Soundstop® Transparent Sheet

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Evonik Paraglas Soundstop® Transparent Sheet (discontinued **)
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Optical Sheet
Material Notes:	Paraglas Soundstop is a standard clear transparent sheet Information provided by Cyro Industries Information Provided by Evonik CYRO. The former Evonik Methacrylates business has been sold to Röhm GmbH, although this trade name was disontinued prior to the sale.
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Physical Properties	Metric	English	Comments

Density	1.19 g/cc	0.0430 lb/in³	ASTM D792

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	69.0 MPa	10000 psi	ASTM D638
Elongation at Break	4.5 %	4.5 %	ASTM D638
Tensile Modulus	2.80 GPa	406 ksi	ASTM D638
Flexural Strength	117 MPa	17000 psi	ASTM D790
Flexural Modulus	3.30 GPa	479 ksi	ASTM D790
Compressive Strength	117 MPa	17000 psi	ASTM D695
Charpy Impact Unnotched	1.365 J/cm²	6.496 ft-lb/in²	Weathered 5 years; ASTM D4812
	1.365 J/cm²	6.496 ft-lb/in²	At -5°F; ASTM D4812
	1.365 J/cm²	6.496 ft-lb/in²	ASTM D4812
Sound Insulation	32 dB @Thickness 15.0 mm	32 dB @Thickness 0.591 in	ASTM E 90
	34 dB @Thickness 20.0 mm	34 dB @Thickness 0.787 in	ASTM E 90
	36 dB @Thickness 25.0 mm	36 dB @Thickness 0.984 in	ASTM E 90

Thermal Properties	Metric	English	Comments
CTE, linear	72.0 µm/m-°C @Temperature 20.0 °C	40.0 µin/in-°F @Temperature 68.0 °F	ASTM D696
Maximum Service Temperature, Air	>= 71.1 °C	>= 160 °F
Deflection Temperature at 1.8 MPa (264 psi)	90.6 °C	195 °F	ASTM D648
Vicat Softening Point	105 °C	221 °F	ASTM D1525
Flame Spread	15 mm/min @Thickness 15.0 mm	0.60 in/min @Thickness 0.591 in	ASTM D635
Smoke Density	20 @Thickness 15.0 mm	20 @Thickness 0.591 in	percent; ASTM D2843
Ignition Temperature	454 °C	850 °F	Self Ignition; ASTM D1929

Optical Properties	Metric	English	Comments
Refractive Index	1.49	1.49	ASTM D542
Haze	1.0 %	1.0 %	ASTM D1003
	1.5 %	1.5 %	Weathered 5 years AZ; ASTM D1003
Yellow Index	<= 1.0 %	<= 1.0 %	ASTM E 313
	1.5 %	1.5 %	Weathered 5 years AZ; ASTM E 313
Transmission, Visible	92 %	92 %	Weathered 5 years AZ
	92 %	92 %	ASTM D1003

Descriptive Properties
Resistance to Brushfire	Class2		15mm, EN1794-2
Resistance to stone projectiles	Pass		15mm, EN1794-1

**
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PCYRO05 / 29182

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