DLR Elastomer Engineering Ltd Sorbothane - Durometer 70 (Shore 00)

Identification & Functionality

Chemical Family

Polyurethanes (PU)

Polymer Name

Polyurethane Thermoset Elastomer (unspecified)

Technologies

Elastomers

Product Families

Elastomers — Specialty Elastomers

Polyurethane Rubbers

Features & Benefits

Materials Features

Chemical Resistant,

Vibration Damping

Applications & Uses

Markets

Industrial

Applications

Industrial — Chemical & Industrial Manufacturing

Equipment & Parts

Compatible Polymers & Resins

Polytetrafluoroethylene (PTFE)

Plastics & Elastomers End Uses

Acoustic Barrier,

Diaphragms,

Gaskets,

Hoses,

Wear Pads

Properties

Typical Properties

	Value	Units	Test Method / Conditions
Tensile Strength at Break	191.0	psi	ASTM D 412-06a
Elongation at Break	388.0	%	ASTM D 412-06a
Tensile Strength (100% Strain)	58.0	psi	ASTM D 412-06a
Tensile Strength (200% Strain)	113.0	psi	ASTM D 412-06a
Tensile Strength (300% Strain)	156.0	psi	ASTM D 412-06a
Compressive Stress (10% Strain)	11.8	psi	ASTM D 575-91, Method A
Compressive Stress (20% Strain)	30.0	psi	ASTM D 575-91, Method A
Compression Set	2.0	%	ASTM D 395
Tear Strength	27.0	lb/in	ASTM D 624-00, Die C
Bulk Modulus	4.3	gPascal	—
Density	85.0	lb/ft³	ASTME D 792-13
Specific Gravity	1.36	—	ASTME D 792-13
Optimum Performance Temperature Range*	-20 to 160	°F	—
Glass Transition	-17.0	°C	—
Flash Ignition Flammability	570.0	°F	ASTM E 1640-13 by Peak Tan Delta
Self Ignition Flammability	750.0	°F	UL-94
Tested Flammability Rating with Retardant	V2	—	ASTM D 2632-92
Resilience Test Rebound Height	27.0	%	ASTM D 2632-92 (Modified for the effects of material tackiness)
Resilience Test Rebound Height	25.0	%	—
Dielectric Strength	252.0	V/ml	ASTM D 149-13, Method A
Dynamic Young’s Modulus (at 5 Hertz, 10%)	186.0	psi	—
Dynamic Young’s Modulus (at 5 Hertz, 15%)	209.0	psi	—
Dynamic Young’s Modulus (at 5 Hertz, 20%)	240.0	psi	—
Dynamic Young’s Modulus (at 15 Hertz, 10%)	186.0	psi	—
Dynamic Young’s Modulus (at 15 Hertz, 15%)	258.0	psi	—
Dynamic Young’s Modulus (at 15 Hertz, 20%)	295.0	psi	—
Dynamic Young’s Modulus (at 30 Hertz, 10%)	266.0	psi	—
Dynamic Young’s Modulus (at 30 Hertz, 15%)	299.0	psi	—
Dynamic Young’s Modulus (at 30 Hertz, 20%)	342.0	psi	—
Dynamic Young’s Modulus (at 50 Hertz, 10%)	298.0	psi	—
Dynamic Young’s Modulus (at 50 Hertz, 15%)	334.0	psi	—
Dynamic Young’s Modulus (at 50 Hertz, 20%)	382.0	psi	—
Tangent Delta (5 Hz Excitation)	0.28	—	—
Tangent Delta (15 Hz Excitation)	0.33	—	—
Tangent Delta (30 Hz Excitation)	0.36	—	—
Tangent Delta (50 Hz Excitation)	0.37	—	—
Bacterial Resistance	No Growth	—	ASTM G 21-09
Fungal Resistance	No Growth	—	ASTM G 22
Heat Ageing (72 hours at 158°F)	Stable	—	—
Chemical Resistance to Distilled Water	23.8	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to City Water	23.7	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to Hydraulic Fluid	-4.2	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to Kerosene	-6.1	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to Diesel	23.7	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to 50% Ethanol	51.9	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to Soap Solution	33.0	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to Gasoline	41.7	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to Turpentine	13.4	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to Motor Oil 15W40	-4.1	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to Hexane	-2.8	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to IRM 903	-3.7	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to 1N Acetic Acid	Complete Degradation	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to Ethylene Glycol	0.4	% wt change	ASTM D 543, 7-day immersion
Chemical Resistance to 1N NaOH	7.2	% wt change	ASTM D 543, 7-day immersion

Acoustic Properties

	Value	Units	Test Method / Conditions
Transmission Loss in Air (at 50 Hz)**	min. 40	decibel/cm	—