Röhm Plexiglas® GS Soundstop® Acrylic

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Röhm Plexiglas® GS Soundstop® Acrylic (discontinued **)
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Cast
Material Notes:	Description: PLEXIGLAS® GS cast acrylic has the following properties: absolutely colorless and clear break-resistant unequalled resistance to weathering and ageing high-quality surface and planarity; brilliant or satin (PLEXIGLAS SATINICE®) sheets, blocks, tubes, round and square rods 2 to 160 mm solid sheet / block thickness standard size up to 3050 x 2030 mm more than 50 standard colors good resistance to dilute acids limited resistance to organic solvents good resistance to alkalis very easy to work, similar to hardwood easy to thermoform over wide range of conditions easily and firmly bonded, e.g. with reaction adhesives (e.g. ACRIFIX® 190, 192) burns more or less like hardwood; very little smoke generation max. service temperature approx. 80 °C Specific Notes for this Material: Flame-retarded, UV absorbing solid sheet special grade in accordance with ZTV-Lsw 88, EN 1793 and EN 1794 for noise control barriers. Information provided by degussa. The former Evonik Methacrylates business has been sold to Röhm GmbH (Roehm).
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Physical Properties	Metric	English	Comments

Density	1.19 g/cc	0.0430 lb/in³	ISO 1183

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	70.0 MPa	10200 psi	ISO 527
Modulus of Elasticity	3.30 GPa	479 ksi	ISO 527
Flexural Strength	>= 98.0 MPa	>= 14200 psi	ISO 178
Fatigue Strength	38.0 MPa	5510 psi	Alternating Bending Strength (Unnotched Specimen); ISO 4137
Sound Insulation	30 dB @Thickness 15.0 mm	30 dB @Thickness 0.591 in	Weighted Sound Reduction Index; EN 1793-2, ZTV-Lsw 88
	32 dB @Thickness 20.0 mm	32 dB @Thickness 0.787 in	Weighted Sound Reduction Index; EN 1793-2, ZTV-Lsw 88
	33 dB @Thickness 25.0 mm	33 dB @Thickness 0.984 in	Weighted Sound Reduction Index; EN 1793-2, ZTV-Lsw 88

Thermal Properties	Metric	English	Comments
CTE, linear	70.0 µm/m-°C @Temperature 20.0 °C	38.9 µin/in-°F @Temperature 68.0 °F	DIN 53752A
Vicat Softening Point	110 °C	230 °F	ISO 306

Optical Properties	Metric	English	Comments
Transmission, Visible	50 %	50 %	Midnight Blue Grade; DIN 53752-A
	51 %	51 %	Smokey Brown Grade; DIN 53752-A
	56 %	56 %	Sky Blue Grade; DIN 53752-A
	57 %	57 %	Sea Green Grade; DIN 53752-A
	60 %	60 %	Steel Blue Grade; DIN 53752-A
	62 %	62 %	Forest Green Grade; DIN 53752-A
	83 %	83 %	Spring Green Grade; DIN 53752-A
	92 %	92 %	Clear Grade; DIN 53752-A

**
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