Greene Tweed AR™ HT Abrasive-Resistant Thermoplastic

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Greene Tweed AR™ HT Abrasive-Resistant Thermoplastic
Categories:	Polymer; Thermoplastic
Material Notes:	ARHT™ is a proprietary thermoplastic material specifically developed for use a sbushings, bearings and wear rings in pumps handling abrasive media up to 250°F (121°C). ARHT provides outstanding chemical, thermal shock and impact resistance, making it a better wear material than traditional rubber, ceramic or bronze materials. Greene Tweed’s proprietary AR thermoplastic materials exhibit outstanding wear characteristics in media containing solids. AR combines excellent abrasive resistance, good dry run capability and superior vibration dampening characteristics with no hydrolysis or swell. ARHT works well in a variety of abrasive pump applications iuncluding those working with sirculatiing water, open and closed cooling water, river water, screen wash and crude oil pumps. When using ARHT pump users can operate their equipment with much tighter clearances, boosting efficiency and improving process reliability. Applications: Circulating water pumps Crude oil multistage pumps Open and closed cooling water pumps River water pumps Screen wash pumps Sump pumps Information provided by Greene Tweed.
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Physical Properties	Original Value	Comments

Specific Gravity	1.63 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Shore D	80	ASTM D2240
Tensile Strength, Yield	5100 psi	ASTM D638
Elongation at Break	2.2 %	ASTM D1457
Tensile Modulus	461000 psi	ASTM D638
Flexural Strength	8700 psi	ASTM D790
Flexural Modulus	495000 psi @Strain 0.5 %	Secant; ASTM D790
Compressive Strength	9800 psi	ASTM D695

Thermal Properties	Original Value	Comments
CTE, linear	16.0 µin/in-°F @Temperature 100 °C
Maximum Service Temperature, Air	250 °F
Minimum Service Temperature, Air	-100 °F

Descriptive Properties
Color	Gray

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PGREEN70 / 42364

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