Polyester Polyurethane – Molded Polyesters, Polyethers, and Polyurethanes

PLEI-TECH® 00

Plei-Tech 00 is a polyester compound developed in conjunction with Plei-Tech 22 to offer alternatives to Plei-Tech 15. Plei-Tech 00 offers outstanding tear strength, good abrasion resistance, excellent resistance to oil products, and is suited for moderate dynamic loading. Plei-Tech 00 is available in 80°A to 95°A. PleiTech 00 falls short of Plei-Tech 22, Plei-Tech 23, Plei-Tech 24, Plei-Tech 25 and Plei-Tech 15 in solvent resistance. Maximum service temperature is 200°F. Standard Color is amber, however this product is not color stable.

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			80	90	95
Hardness D			—	—	50

100% Modulus	D 412	PSI	700	1150	2000
300% Modulus	D 412	PSI	1350	2200	4000
Tensile Strength	D 412	PSI	7400	7400	7100
Ultimate Elongation	D 412	%	600	525	450

Split Tear	D470	PLI	130	150	175
Die C Tear	D624	PLI	490	600	760

Resilience	D 2632	%	33	27	27

Compressive Modulus	D 575	PSI
5%			160	250	475
10%			275	400	750
15%			375	550	1050
20%			525	775	1450
25%			725	1100	1950

Brittle Point	D 746	F	—	—

Specific Gravity	D792		1.25	1.27	1.29
Compression Set (22 Hours at 70C)	D385 Method B	%	35	32	33

PLEI-TECH® 10

Plei-Tech 10 is a very high performance polyurethane that is best suited for the most demanding applications. Plei-Tech 10 offers outstanding cut, abrasion, and solvent resistance. In addition to exceptional physical properties Plei-Tech 10 also offers excellent dynamic properties. The one setback of the material is that it takes a high compression set. Plei-Tech 10 is available in 80°A, 90°A, 93°, and 97°A hardnesses. Maximum service temperature is 275°F. Only available in natural color (cream). Typical applications are bumpers, diaphragms, rollers, and hydrocyclones. (back to top)

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			80	92	97
Hardness D			—	—	55

100% Modulus	D 412	PSI	550	1300	1825
300% Modulus	D 412	PSI	1070	2000	2250
Tensile Strength	D 412	PSI	4950	6300	5150
Ultimate Elongation	D 412	%	525	720	595

Split Tear	D470	PLI	93	645	145
Die C Tear	D624	PLI	390	705	635

Resilience	D 2632	%	45	55	53

Compression Set (24 Hours at 70°C	D385 Method B	%	36	53	40

Compressive Modulus	D 575	PSI
5%			—	—	—
10%			—	—	—
15%			—	—	—
20%			—	—	—
25%			—	—	—

Brittle Point	D 746	F	—	—	—

Specific Gravity	D792		1.19	1.19	1.09

PLEI-TECH® 15

Plei-Tech 15 is also known as Vulkollan® (trademark name of Bayer AG Germany). Plei-Tech 15 offers excellent abrasion and cut resistance, and is well suited for high dynamic loading. Plei-Tech 15 performs well in solvent and oil environments, and is available in hardness from 60°A to 60°D. This product is also available as a foam which has tremendous dynamic performance and abrasion resistance. This compound has MSHA approval. Maximum service temperature is 200°F. Color is natural which is light brown that turns dark brown when exposed to UV light. No properties are lost in this color transformation. (Back to top)

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			63	73	83	93
Hardness D

100% Modulus	D 412	PSI	500	650	800	1500
300% Modulus	D 412	PSI	990	1350	1400	2100
Tensile Strength	D 412	PSI	3950	4500	5500	6000
Ultimate Elongation	D 412	%	450	450	500	700

Split Tear	D470	PLI	36	43	175	200
Die C Tear	D624	PLI	295	375	475	750

Resilience	D 2632	%	46	47	55	48

Compression Set (24 Hours at 70°C	D385 Method B	%	19	17	15	15

Taber Abrasion (H-18 Wheel 5000 Cycles)	D-1044-78	mg Loss	7	7	8	16

PLEI-TECH® 22

Plei-Tech 22 is a polyester compound developed by Pleiger Plastics Company as an alternative to Plei-Tech 15. Plei-Tech 22 offers excellent abrasion and solvent resistance compared to other polyurethane compounds. Plei-Tech 22 is available in hardness from 40°A to 60°D. Plei-Tech 22 is not suited for applications involving high dynamic loading. This compound has MSHA and FDA dry food approval. Maximum service temperature is 190°F. Standard color is natural (cream), however color coding is available. Typical applications are scrapers, snow plows, and squeegees. (Back to top)

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			60	70	80	85	95
Hardness D			—	—	—	—	—

100% Modulus	D 412	PSI	240	480	680	1100	1810
300% Modulus	D 412	PSI	350	1000	1600	2900	3600
Tensile Strength	D 412	PSI	2700	4600	5600	6000	7000
Ultimate Elongation	D 412	%	600	490	460	400	450

Split Tear	D 470	PLI	40	70	80	95	210
Die C Tear	D 624	PLI	155	350	370	410	690

Resilience	D 2632	%	50	27	23	25	30

Compression Set (24 Hours at 70°C	D 385 Method B	%	20	30	25	20	35

Taber Abrasion (H-18 Wheel 5000 Cycles)	D-1044-78	mg Loss	54	40	22	17	—

Specific Gravity	D 792		1.2	1.22	1.23	1.24	1.26

PLEI-TECH 23

Plei Tech 23 is a polyester polyurethane. This material has higher tensile strength, tear strength, and flexlife than standard PT-22 in the same durometer ranges. This compound is not as good in dynamics, has a higher compression set, and slightly lower solvent resistance as PT-22. Available from 60°A to 88°A, and can be colored. This material is FDA dry food approved. Maximum service temperature 190°F. Typical applications are scrapers and sheets. (Back to top)

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			60	70	80	85

100% Modulus	D412	PSI	300	500	700	650
300% Modulus	D 412	PSI	500	950	1600	1700
Tensile Strength	D 412	PSI	3200	4500	5900	6100
Ultimate Elongation	D 412	%	525	475	475	650

Split Tear	D470	PLI	70	90	110	140
Die C Tear	D624	PLI	220	340	460	540

Resilience	D 2632	%	37	30	28	25

Compression Set (22 Hours at 70°C	D385 Method B	%	30	35	40	45

Specific Gravity	D792		1.2	1.22	1.23	1.26

PLEI-TECH® 24

Plei-Tech 24 is a polyester polyurethane. This material has high tensile strength, tear strength, and flex properties which approach that of Plei-Tech 10 and Plei-Tech 15. This material does not bond well to steel or aluminum. Available from 80°A to 95°A. This material is FDA wet food grade approved. Maximum service temperature 190°F. Cannot be color coded. Typical Applications are bumper, screen decks, and food grade squeegees. (Back to top)

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			83	93

100% Modulus	D412	PSI	710	1450
300% Modulus	D 412	PSI	2000	3000
Tensile Strength	D 412	PSI	6300	6100
Ultimate Elongation	D 412	%	480	480

Split Tear	D470	PLI	110	175
Die C Tear	D624	PLI	480	770

Resilience	D2632	%	48	43

Compression Set (22 Hours at 70°C	D385 Method B	%	31	33

Specific Gravity	D792		1.23	1.24

PLEI-TECH® 25

Plei-Tech 25 is a polyester polyurethane. This material has higher tensile strength, tear strength, elongation, superior low temperature performance, and in some cases superior solvent resistance to PT-22 in the same durometer ranges. This compound is not as good in dynamics, has a higher compression set, and lower abrasion resistance compared with PT-22. Available from 60° to 85°A, and can be colored. This material is FDA dry food approved. Maximum service temperature 190°F. Typical applications are squeegees scrapers and snow plows. (Back to top)

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			55	60	70	80	85

100% Modulus	D 412	PSI	220	300	530	750	640
300% Modulus	D 412	PSI	320	520	970	1800	1700
Tensile Strength	D 412	PSI	2900	3500	5900	7400	6800
Ultimate Elongation	D 412	%	600	550	500	500	670

Split Tear	D 470	PLI	45	70	100	120	110
Die C Tear	D 624	PLI	160	210	335	445	670

Resilience	D 2632	%	50	40	31	30	30

Compression Set (24 Hours at 70°C	D 385 Method B	%	20	25	35	35	40

Specific Gravity	D 792		1.2	1.2	1.22	1.23	1.26

PLEI-TECH® 31

Plei-Tech 31 is a special polyurethane that has a rebound of approximately 5%. The physical properties of this compound are that of average polyurethanes. This material is available in only 60°A and 70°A and can be color coded. Maximum service temperature is 180°F. Typical applications are low resilience dampers. (Back to top)

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			50	60

100% Modulus	D 412	PSI	140	250
300% Modulus	D 412	PSI	250	400
Tensile Strength	D 412	PSI	1350	3700
Ultimate Elongation	D 412	%	600	620

Split Tear	D 470	PLI		30
Die C Tear	D 624	PLI	115	150

Resilience	D 2632	%	15	3

Compression Set (24 Hours at 70°C	D 385 Method B	%	5	8

Specific Gravity	D 792			1.26

PLEI-TECH® 92

Plei-Tech 92 is a polyether polyurethane. This compound is characterized by having a very high resiliency. Plei-Tech 92 has lower abrasion and tear resistance than other Plei-Tech compounds. This compound has the best long term water stability of all the Plei-Tech compounds. Available in 5A, 10A, 15A, 20A, and 60 to 90A. Maximum service temperature is 190°F. Typical applications are skate wheels, chute liners, and high resilience balls. (Back to top)

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			15	30	60	80	90
Hardness D

100% Modulus	D 412	PSI	25	50	300	660	1100
300% Modulus	D 412	PSI	-		450	1200
Tensile Strength	D 412	PSI	100	300	1050	3300	6100
Ultimate Elongation	D 412	%	550	530	510	470	400

Split Tear	D470	PLI	4	6	20	70	80
Die C Tear	D624	PLI	20	30	140	440	540

Resilience	D 2632	%	4	5	60	60	40

Compression Set ( 22 Hours at 70 C )	D 385 METHOD B	%	2	7	35	35	30

Brittle Point	D 746	F	—	—			-95

Specific Gravity	D792				1.04	1.04	1.13

PLEI-TECH® 93

Plei-Tech 93 is a polycaprilactone polyurethane system. This compound is a compromise between polyether systems and polyester systems. It offers better water resistance than a standard ester, but inferior resistance when compared to an ether. Plei-Tech 93 offers improved abrasion and cut resistance over ether systems, but falls short of the esters in wear categories. Plei-Tech 93 is available in durometers from 60°A to 95°A. Maximum service temperature is 200°F. Color coding is available. Typical applications are underwater scrapers and seals in water environments. (Back to top)

PLEI-TECH® 95

Plei-Tech 95 is a polyether polyurethane. Plei-Tech 95 offers excellent performance in dynamic loading, shock absorption, and water environments. Plei-Tech 95 falls slightly short of other Plei-Tech compounds in abrasion and cut resistance. Plei-Tech 95 is available in hardnesses from 80°A to 75°D. Plei-Tech 95 is not suited for applications involving solvents or petroleum based oils. This product has general MSHA approval. Maximum service temperature is 200°F. Standard color is blue, however this material is not color stable. Typical applications are bumpers, balls, and hydrocyclones. (Back to top)

PHYSICAL PROPERTY	TEST METHOD	UNITS	HARDNESS

Hardness A			80	90	95	—	—
Hardness D			—	—	50	60	75

100% Modulus	D 412	PSI	580	1100	2200	3200	4000
300% Modulus	D 412	PSI	850	1650	4050	6500	—
Tensile Strength	D 412	PSI	3550	4080	5600	7100	7500
Ultimate Elongation	D 412	%	730	450	350	310	230

Split Tear	D470	PLI	82	65	125	115	145
Die C Tear	D624	PLI	300	370	500	630	950

Resilience	D 2632	%	56	50	42	42	—

Compression Set (24 Hours at 70°C	D385 Method B	%	41	25	32	28	—

Compressive Modulus	D 575	PSI
5%			110	210	500	1000	2300
10%			180	350	840	1600	3950
15%			270	490	1200	2200	5100
20%			375	680	1650	3000	6000
25%			525	940	2100	4000	8000

Brittle Point	D 746	F	—	-94	-94	-94	-94

Specific Gravity	D792		1.07	1.08	1.13	1.16	1.2

LUBRITHANE

Lubrithane is a polyurethane with special additives to provide a reduced coefficient of friction. Lubrithane is ideal for belt scraping applications because of good abrasion resistance and a low coefficient of friction. Lubrithane is available in hardnesses from 60°A to 50°D. Maximum service temperature is 190°F. Color is black. (Back to top)

Typical Frictional Properties (Coefficient of Friction)
(ASTM D 1894-87)

	Lubrithane on Rubber		UHMW on Rubber
	Static	Kinetic	Static	Kinetic
Dry	0.18-0.20	0.160-0.17	0.44-0.46	0.34-0.44
Wet	0.19-0.20	0.13-0.14	0.51-0.54	0.35-0.40

	Lubrithane on Steel		UHMW on Steel
	Static	Kinetic	Static	Kinetic
Dry	0.15-0.17	0.14-0.17	0.12-0.18	0.12-0.18
Wet	0.16-0.18	0.16-0.18	0.12-0.18	0.12-0.18
Rubber - Goodyear Conveyor Belting 220 PIW WingfootII .Steel finish = ASTM D 1894-87

TYPICAL PHYSICAL PROPERTIES
	ASTM	UNIT	LUBRITHANE
Hardness	D-2240-81	Shore A	93
Tensile Strength	D-412-80	PSI	4993
Elongation & Break	D-412-80	%	403
Stress	D-412-80	PSI
At 100%			1862
At 200%			2165
At 300%			2762
Die C Tear Strength	D-624-81	PSI	618
Taber Abrasion	D-1044-78	Mg Loss	23.5

PLEI-TECH® 15 FOAM

Plei-Tech 15 Foam is an open/closed cell polyurethane foam based upon Vulkollan (Plei-Tech 15) chemistry. This product has tremendous dynamic performance and abrasion resistance and is used where high frequency low loads are present. Density ranges are from .35 g/cc to .60 g/cc. This material is ideal for bumpers and cushions which require high displacements. Maximum service temperature is 200°F. Color is natural which is light brown that turns to dark brown when exposed to UV light. (No properties are lost in this color transformation.) (Back to top)

	15-35	15-40	15-50	15-50	15-55	15-60
Density (kg/m3)	350	400	450	500	550	600	DIN 53420
Tensile Strength (N/mm2)	4	4.5	5.5	6.5	7.5	8	DIN 53455
Elongation (N/mm2)	390	410	430	450	465	470	DIN 53455
Tear Resistance (kN/m)	8	10	12	14	18	20	DIBN 53515
Rebound (%)	70	70	70	70	70	70	DIN 53512
Compression (after 24 hours @ 70°C)	4.8	5.8	6.5	7.2	7.5	8.0	DIN 53572

Pleiger Plastics, P.O. Box 1271 Crile Road, Washington, PA 15301-1271
498 CRILE ROAD, WASHINGTON, PA 15301 USA * PHONE 1-800-753-4437 * FAX 724-228-2253