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	Original Value	Comments

Density	1.19 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	69.0 MPa	ASTM D638
Elongation at Break	4.5 %	ASTM D638
Tensile Modulus	2.80 GPa	ASTM D638
Flexural Strength	117 MPa	ASTM D790
Flexural Modulus	3.30 GPa	ASTM D790
Compressive Strength	17000 psi	ASTM D695
Charpy Impact Unnotched	1.365 J/cm²	Weathered 5 years; ASTM D4812
	1.365 J/cm²	At -5°F; ASTM D4812
	1.365 J/cm²	ASTM D4812
Sound Insulation	32 dB @Thickness 15.0 mm	ASTM E 90
	34 dB @Thickness 20.0 mm	ASTM E 90
	36 dB @Thickness 25.0 mm	ASTM E 90

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

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

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

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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