Customized shape polyurethane Polyurethane O Ring

• Customization: Available
• Color: Fixed
• Customized: Customized
• Model NO.: SP1000
• Type: Bearing
• Material: Polyurethane rubber
• Thickness: 12.5/25mm
• Roll: 1.5m wide, 5.0m long
• Strip: Up to 1.5m wide, up to 5.0m long
• Shape: Customized
• Transport Package: Carton
• Specification: Customized
• Trademark: THERMOTEST/OEM
• Origin: China
• Production Capacity: 50000/Month

Product Description

Product Description

Material: Mixed-celled PU elastomer (Polyurethane)

Color: traffic green

Dimensions can be customized,Other dimensions, punched and moulded parts on request.


PRODUCT PROPERTIES

• Pronounced damping characteristics
• Elastic polyurethane material
• Mixed-cell pore structure
• High energy absorption capacity
• Static range of use of 0.005 N/mm² to 0.5 N/mm²
• Impact resilience of max. 16%

 

ADVANTAGES

• Absorb impact load types
• Ability to provide customer-specific solutions
• Calculability of the impact
• Long service life
• Finely graded range for optimum system design

 

Detailed Photos

 

 

Product Parameters

 

Range of use	Compressive	Deformation
	Shape factor-dependent, the specified values apply to shape factor of q=3
Static range of use (static loads)	up to 0.5N/mm^2	approx. 4.8%
Impact range of use (dynamic loads)		up to 40%
Load peaks (occasional, brief loads)	up to 5 N/MM^2	approx. 60%

Technical Data
 

Material Properties		Test Methods	Comment
Mechanical loss factor	0.46	DIN 53513 ^1	temperature-, frequency-, specific load- and amplitude-dependent
Impact resilience	15 %	EN ISO 8307 ^1
Specific energy absorption	up to 84 mJ/mm^2	Werkstoffe	at a thickness of 25 mm
Compression hardness ^3	1.0 N/mm^2	EN ISO 844^1	at 10 % linear compression, 1^st load cycle
Compression set^2	< 5 %	EN ISO 1856	25 % deformation, 23 °C, 72 h, 30 min after removal of load
Static shear modulus ^3	1.9 N/mm^2	DIN ISO 1827 ^1	at a pretension of 1.0 N/mm^2
Dynamic shear modulus ^3	5N/mm^2	DIN ISO 1827^1	at a pretension of 1.0 N/mm^2, 10 Hz
Min. tensile stress at rupture	3.2 N/mm^2	DIN EN ISO 527-3/5/500 ^1
Min. tensile elongation at rupture	160 %	DIN EN ISO 527-3/5/500 ^1
Abrasion^2	≤ 1300 mm^3	DIN ISO 4649 ^1	load 10 N
Coefficient of friction (steel)	≥ 0.5	Werkstoffe	dry, static friction
Coefficient of friction (concrete)	≥0.7	Werkstoffe	dry, static friction
Specific volume resistivity	> 10^12 Ω·cm	DIN IEC 60093	dry
Thermal conductivity	0.11 W/mK	DIN EN 12667
Temperature range ^4	-30 °C to 70 °C		optimum damping range from 5 °C to 40 °C
Flammability	class E	EN ISO 11925-2	normal flammable, EN 13501-1

¹Measurement/evaluation in accordance with the relevant standard
² The measurement is performed on a densitydependent basis with differing test parameters
³ Values apply to shape factor q = 3
⁴ Take account of heating caused by energy conversion
 

· Quasi-static load deflection curve with a loading rate of 1 % of the thickness of the unloaded sample per second.

· Recording of the 1^st load, with filtered starting range (in accordance with ISO 844), testing at room temperature.

· Shape factor q = 3

· Quasi-static modulus of elasticity as tangential modulus from the load deflection curve. Dynamic modulus of elasticity from sinusoidal excitation at a vibration velocity of 100 dBv re. 5·10^-8 m/s (corresponding to a vibration amplitude of 0.22 mm at 10 Hz and 0.08 mm at 30 Hz).

· Measurement in accordance with DIN 53513

· Shape factor q = 3

· Natural frequencies of a vibratory system with a single degree of freedom, consisting of a mass and an elastic bearing made of Sylodamp® SP 1000 on a rigid surface.

· Parameter: thickness of the Sylodamp®-bearing

· Shape factor q = 3

 

· Specific energy absorption from an impact load at an impact speed of up to 5 m/s.

· Drop impact test with a r ound, flat stamp, recording of the 1^st load, testing at room temperature.

· Parameter: thickness of the Sylodamp®-bearing