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Acetal Delrin Sheet

  • Origin: China
  • Supply Type: oem service
  • Processing Time: 20

Quick Details

Color Black, White, Red
Size 600*1200/1000*2000mm
POMC rod Diameter 15-250mm

Supplier Info.

  • Employees Total 51-100
  • Annual Revenue US$5 Million - US$10 Million

<spanVerdana",sans-serif; mso-bidi-font-family:SimSun;color:#222222;mso-font-kerning:18.0pt">Acetal Delrin Sheet

<spanArial",sans-serif; color:#222222;mso-font-kerning:0pt">Acetal resins (polyoxymethylene or POM) are engineering thermoplastics based on formaldehyde polymerization technology. Acetal resins have high tensile strength, stiffness, resilience, fatigue endurance, a low coefficient of friction against metals, acetals and other plastics and moderate toughness. The Acetal sheet has high resistance to organic solvents, exnt dimensional stability, a low coefficient of friction and outstanding abrasion resistance among thermoplastics.

<spanArial",sans-serif; color:#222222;mso-font-kerning:0pt">Acetals’ resistance to creep is exnt. Moisture, lubricants and solvents including gasogasohol have little effect on this property, which is important in parts incorporating self-threading screws or interference fits. Good electrical properties qualify these materials for electrical applications requiring long-term stability. Acetal copolymers retain much of their toughness through a broad temperature range and are among the most creepresistant of the crystalmoplastics. A low moisture absorption characteristic permits molded parts to serve reliably in environments involving humidity variations.

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<spanArial",sans-serif; color:#222222">Features

· <spanArial",sans-serif; color:#222222">Exnt dimensional stability

· <spanArial",sans-serif; color:#222222">Continuous use temperature of 180°F

· <spanArial",sans-serif; color:#222222">Porosity free

· <spanArial",sans-serif; color:#222222">Consistent properties in wet or moist environments

· <spanArial",sans-serif; color:#222222">Very low moisture absorption

· <spanArial",sans-serif; color:#222222">Exnt electrical properties

· <spanArial",sans-serif; color:#222222">Easy to machine to close tolerances

· <spanArial",sans-serif; color:#222222">Natural and Black are FDA & USDA compliant

<spanArial",sans-serif; color:#222222">Applications

· <spanArial",sans-serif; color:#222222">Bushings and bearings

· <spanArial",sans-serif; color:#222222">Rollers and gears

· <spanArial",sans-serif; color:#222222">Valves and manifolds

· <spanArial",sans-serif; color:#222222">Scraper blades

· <spanArial",sans-serif; color:#222222">Wear strips and pads

· <spanArial",sans-serif; color:#222222">Jigs and fixtures

· <spanArial",sans-serif; color:#222222">Electrical components

· <spanArial",sans-serif; color:#222222">Parts which operate in water between 60 to 90C

<spanArial",sans-serif; color:#222222">Certifications

· <spanArial",sans-serif; color:#222222">ASTM POM 0211, D6778

· <spanArial",sans-serif; color:#222222">FDA21 CFR 177.2470

Properties Standard Unit Result
mechanical property
Density ASTM D792 g/cm3 1.43
Tensile strength ASTM D638 Mpa 100
ultimate elongation ASTM D638 % 10
bending strength ASTM 790 Mpa 150
bending modulus ASTM 790 Mpa 4500
hardness ASTM D2240 D 85
Impact strength ASTM D256 J/M 100
Thermal properties
Melting poing DSC ℃ 190
working Temp. ASTM D648 ℃ 140
Permanent Temp. - ℃ 120
Short-period Temp. - ℃ 150
Pyroconductivity DIN 52612-1 W/(K-M) 0.31
dilatation coefficient ASTM D696 10-5-1/K 6
electrical property
dielectric strength ASTM D150 KV-mm 22
dielectric loss coefficient ASTM D150 - 0.005
Volume resistance ASTM D257 Ω.cm 1014
surface resistance ASTM D257 Ω 1016
dielectric constant ASTM D149 - 3.9
Chemical properties
Water absorption 23℃ 60%RH % 0.35
Acid resistance 23℃ 60%RH +
Alkali resistance +
Resistance to acid and alkali water +
Chloric acid alkali resistance 0
Resistant to aromatic compounds +
The ketone resistance 23℃ 60%RH +
Water resistance 23℃ 60%RH +
Others properties
combustibility UL 94 HB
paste - +
Non-s EEC 90/128 FDA +
friction coefficient DIN 53375 -
uvioresistant - 0
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