
SUSTARIN C®
Acetals (POM)
Sustarin C® Acetal unfilled grades are hard, strong and stiff; have good toughness although they show some notch sensitivity. Low coefficient of friction and good chemical resistance are also standard features combined with their inherent dimensional stability.
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The high crystallinity of Sustarin C® Acetals impart excellent creep resistance under continuous load and fatigue endurance under repeated loading and unloading cycles.
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Sustarin C® Acetal has a number of benefits, which include strength, tenacity and toughness particularly in the temperature range of 50-120°C. As a dedicated engineering material, it is now used in applications that were once the domain of metals.
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Sustarin C® Acetal can be used in "hot water" applications up to 60°C without any hydrolysis affect. Although there are few differences between homopolymer and copolymer Sustarin C® Acetals, from an application standpoint, copolymer has exceptionally good resistance to strong alkalis and hot water hydrolysis.
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Sustarin C® Acetals also known as PolyOxyMethylene or PolyFormaldehyde, are available in two types, copolymer and homopolymer and both are highly crystalline linear thermoplastic polymers.
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Sustarin C® Acetals exhibit predictable mechanical, chemical and electrical properties over a broad temperature range for long periods of time.
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Sustarin C® Acetals, homopolymer and copolymer are available in a number of commercial stock shape grades each having specific properties. Sustarin C® Acetal Copolymer grade has the better broad range optimum benefits.
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Acetal copolymer, originally developed in 1959 by Celanese Corporation is known by the trade name Celcon® / Hostaform®. Homopolymer was developed by Dupont de Nemours, known by trade name Delrin®.
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Proven Industry Performer
Automotive, Electrical, Consumer Electronics
​Applications
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Precision Parts
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High Performance Engineering Components
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Gear Wheels
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Ball Bearings
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Ski Bindings
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Fasteners
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Knife Handles
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Lock Systems
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​Properties
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Excellent dimensional stability
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Excellent machinability
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Hardness, strength and rigidity
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Good chemical resistance
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Excellent resistance to strong alkalis
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Excellent resistance to hot water hydrolysis
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Fatigue endurance under repeated loading / unloading
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Excellent creep resistance under continuous load
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redictable mechanical, chemical and electrical properties
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Across wide temperature range for long periods
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Low coefficient of friction





