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Best All-Around Materials |
Materials For Special Applications |
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Designation
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Recommended
Initial Stretch
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10% |
7.5% |
12.5% |
12.5%
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15% |
5%
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Shore
A Hardness ASTM D 2240
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85±3 |
93±4 |
85±3 |
82±3
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72±4 |
92±3
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Ultimate
Tensile Strength In PSI ASTM D 412
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6000 |
5900 |
6000 |
4300
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3500 |
4000
ASTM D 638 |
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Ultimate
Elongation % ASTM D 412
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500 |
500 |
550 |
670
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700 |
550
ASTM D 638 |
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Tensile Modules In PSI ASTM D 412 At 100% Elongation At 300% Elongation |
750 1700 |
1550 3600 |
700 1100 |
740 1160 |
500 800 |
ASTM D 638 at 5% 340 at 10% 530 |
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Tear
Strength ASTM D 624 / PLI Die "C"
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500 |
550 |
500 |
370
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380 |
580
ASTM D 1004 |
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Advantages
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High
co-efficient of friction, excellent flex life and abrasion
resistance
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Higher
torque carrying capacity
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Resistance
to Ultra Violet light and very high humidity
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Static
dissipative
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Lively
rubber-like properties
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Greater
temp range and wider chemical resistivity
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Disadvantages (relative to our 83A material) |
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Shorter
flex life and lower co-efficient of friction
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Slightly
lower modules and abrasion resistance
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Slightly
lower modulus and lower tensile strength
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Lower
torque carrying capacity and abrasion resistance
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Poor
abrasion resistance
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We find that in most applications the 83A PYRATHANE is most suitable because of its higher co-effiecient of friction and its excellent flex life. However, in applications where a greater torque carrying capacity is required, the 92A PYRATHANE may be more suitable.
This data is provided for general information and material comparison. The potential user should perform tests to determine the product's performance and suitability in the intended application. Final determination of the fitness of the product for any particular use is the responsibility of the buyer.
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Pyramid
Product Resource Table
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Pyrathane Belt Length Calculators |
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P.O. Box 200 | 522 North Ninth Avenue East | Newton, Iowa 50208
Telephone 641-792-2405 | Fax 641-792-2478
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© 2000-2004
Pyramid Inc.
