New Poly-U Molding Process antiquates Injection Molding

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Its a new level of polyurethane, its DUCTILE URETHANE! DuraTough polyurethane wheel utilizes a new affusion molding process ensuring 100% bond to core, and ZERO trapped air. Whereas, test reports reveal that standard injection molded wheels inherently possess micro and macro air pockets that lend to debonding.

Injection Molding is DEAD!
Durastar Casters and Wheels has broken the mold and implemented a whole new method for producing Polyurethane on Polyolefin wheels.  This newly available affusion molding process completely bypasses all the inherent risks associated with the injection process, as well as man-made risks.

Inherent risks of injection molding? The initial phase of injection molding uses granules that are heated to melting point.
Problem 1: Retension of micro air pockets.  Later, when the wheel is in use, the air pockets expand due to friction heat.
Problem 2: During injection, polyurethane is unable to fill every crack and crevice of the polyolefin core (which, in the caster and wheel industry, is typically "ribbed" and maybe "tunneled" for mechanical bonding).  This results in debonding (refer to Endurance Test Report).  In addition, injection molding weakens the molecular properties of the urethane during insertion.

Man-mad risks of injection molding? In the initial phase, injection molding allows many manufacturers to commonly mix PVC fillers and ABS resins (up to 40%) with the urethane granules.  This inflates their profit margin, yet sadly increases wheel weight and decreases life and capacity.  Another common ingredient is recycled urethane, which is inappropriate for this caster wheel application.

Meet the NEW BOSS!
Durastar Casters new molding process involves liquid polyurethane poured into mold.  This ensures a solid fill, no trapped air, and 100% bond to core.  THis process requires all-new, pure polyurethane, thus eliminating possibilities of filler resins as possible ingredients.  We couldn't cheat if we wanted to!  This highly efficient process is less stressful on the urethane's molecular properties thus rendering the end-product wheel as more durable and vastly superior in ability to handle friction heat.  The best part is: DuraTough Ductile Polyurethane wheel costs no more than injection molded product.

FAQ: "Why is this caster wheel called "Ductile" polyurethane?"

Answer: "Ductile" is a term used most commonly in reference to metal or steel.  More specifically regarding metal that is not brittle, but rather of a highly malleable grade capable of changing shape without breaking.  The DuraTough Polyurethane wheel tread reflects many of these same qualities: High-grade malleable plasticity, that is strong like steel, especially in comparison to relatively brittle standard injection PPU wheels.

Endurance Test Report
An endurance test pitted an 8x2" injected PU wheel against our 8x2" DuraTough Ductile PU wheel.  Test subjects were overloaded in excess of recommended capacity (950Lbs) by 250Lbs, on a drum machine with a 3mm bump bar at 2.5mph.  At just over 1/2 a mile, the injected PU wheel debonded and failed.  Meanwhile, the DuraTough PU wheel continued to the 3 mile mark . . . then the 5 mile mark . . . then the 7 mile mark.  The test was concluded without a fail and with plenty of life to live.

     DuraTough Ductile Polyurethane caster wheel
Item # Yoke Type Wheel Dia. Tread Width Wheel Type Load Cap. Load Height Swivel Radius Bearing Type Bearing Size Fastener Type
10CS278 Swivel Yoke 2" 7/8" 125 2-7/16" 1-3/4" Top Plate: 1-7/8" x 2-9/16"
10CR278 Rigid Yoke 2" 7/8" 125 2-7/16" Top Plate: 1-1/2" x 2-21/32"
10CS2578 Swivel Yoke 2.5" 1" 175 3-1/4" 2-3/8" Top Plate: 2-3/8" x 3-5/8"
10CR2578 Rigid Yoke 2.5" 1" 175 3-1/4" Top Plate: 2-1/4" x 4-7/16"
10CS314 Swivel Yoke 3" 1-1/4" 270 3-5/8" 2-7/16" Top Plate: 3-1/8" x 4-1/8"
10CR314 Rigid Yoke 3" 1-1/4" 270 3-5/8" Top Plate: 2-1/4" x 5-1/8"
10CS415 Swivel Yoke 4" 1-1/2" 300 5" 3-1/4" Top Plate: 4" x 5"
10CR415 Rigid Yoke 4" 1-1/2" 300 5" Top Plate: 3-1/4" x 6-1/4"
10CS278SR80B Swivel Caster 2" 7/8" Soft Rubber 90 2-7/16" 1-3/4" Plain Bore 1/4" Top Plate: 1-7/8" x 2-9/16"
10CR278SR80B Rigid Caster 2" 7/8" Soft Rubber 90 2-7/16" Plain Bore 1/4" Top Plate: 1-1/2" x 2-21/32"
10CS2578SR81B Swivel Caster 2.5" 1" Soft Rubber 100 3-1/4" 2-3/8" Plain Bore 5/16" Top Plate: 2-3/8" x 3-5/8"
10CR2578SR81B Rigid Caster 2.5" 1" Soft Rubber 100 3-1/4" Plain Bore 5/16" Top Plate: 2-1/4" x 4-7/16"
10CS314SR82B Swivel Caster 3" 1-1/4" Soft Rubber 170 3-5/8" 2-7/16" Plain Bore 3/8" Top Plate: 3-1/8" x 4-1/8"
10CR314SR82B Rigid Caster 3" 1-1/4" Soft Rubber 170 3-5/8" Plain Bore 3/8" Top Plate: 2-1/4" x 5-1/8"
10CS415SR82B Swivel Caster 4" 1-1/2" Soft Rubber 200 5" 3-1/4" Plain Bore 3/8" Top Plate: 4" x 5"
10CR415SR82B Rigid Caster 4" 1-1/2" Soft Rubber 200 5" Plain Bore 3/8" Top Plate: 3-1/4" x 6-1/4"
10CS278HR80B Swivel Caster 2" 7/8" Hard Rubber 125 2-7/16" 1-3/4" Plain Bore 1/4" Top Plate: 1-7/8" x 2-9/16"
10CR278HR80B Rigid Caster 2" 7/8" Hard Rubber 125 2-7/16" Plain Bore 1/4" Top Plate: 1-1/2" x 2-21/32"
10CS2578HR81B Swivel Caster 2.5" 1" Hard Rubber 175 3-1/4" 2-3/8" Plain Bore 5/16" Top Plate: 2-3/8" x 3-5/8"
10CR2578HR81B Rigid Caster 2.5" 1" Hard Rubber 175 3-1/4" Plain Bore 5/16" Top Plate: 2-1/4" x 4-7/16"
10CS314HR82B Swivel Caster 3" 1-1/4" Hard Rubber 270 3-5/8" 2-7/16" Plain Bore 3/8" Top Plate: 3-1/8" x 4-1/8"
10CR314HR82B Rigid Caster 3" 1-1/4" Hard Rubber 270 3-5/8" Plain Bore 3/8" Top Plate: 2-1/4" x 5-1/8"
10CS415HR82B Swivel Caster 4" 1-1/2" Hard Rubber 300 5" 3-1/4" Plain Bore 3/8" Top Plate: 4" x 5"
10CR415HR82B Rigid Caster 4" 1-1/2" Hard Rubber 300 5" Plain Bore 3/8" Top Plate: 3-1/4" x 6-1/4"
10CS278PO80B Swivel Caster 2" 7/8" Polyolefin 125 2-7/16" 1-3/4" Plain Bore 1/4" Top Plate: 1-7/8" x 2-9/16"
10CR278PO80B Rigid Caster 2" 7/8" Polyolefin 125 2-7/16" Plain Bore 1/4" Top Plate: 1-1/2" x 2-21/32"
10CS2578PO81B Swivel Caster 2.5" 1" Polyolefin 175 3-1/4" 2-3/8" Plain Bore 5/16" Top Plate: 2-3/8" x 3-5/8"
10CR2578PO81B Rigid Caster 2.5" 1" Polyolefin 175 3-1/4" Plain Bore 5/16" Top Plate: 2-1/4" x 4-7/16"
10CS314PO82B Swivel Caster 3" 1-1/4" Polyolefin 270 3-5/8" 2-7/16" Plain Bore 3/8" Top Plate: 3-1/8" x 4-1/8"
10CR314PO82B Rigid Caster 3" 1-1/4" Polyolefin 270 3-5/8" Plain Bore 3/8" Top Plate: 2-1/4" x 5-1/8"
10CS415PO82B Swivel Caster 4" 1-1/2" Polyolefin 300 5" 3-1/4" Plain Bore 3/8" Top Plate: 4" x 5"
10CR415PO82B Rigid Caster 4" 1-1/2" Polyolefin 300 5" Plain Bore 3/8" Top Plate: 3-1/4" x 6-1/4"

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Everest Caster and Wheel

17815 Foster Road, #146
Liberty, Missouri, 64068, USA

Ofc  816.994.7890
Fax  816.994.7895 

Durastar International

No. 3, Chiu She Li
Yuanli, Miaoli, 358, Taiwan, R.O.C.

Ofc  886-37-744999
Fax  886-37-744996