Gold Member Since 2009
Audited Supplier
Zhongshan H. R. T. Precision Steel Ball Co., Ltd.

Plastic Ball, Toy Ball, Delrin Ball manufacturer / supplier in China, offering POM Bearing Balls 5.556mm 6.35mm 7.938mm 9.525mm, 1.5mm Chrome Steel Ball for Precision Bearings (GCR15) Ts-16949, 2.381mm Chrome Steel Ball (Gcr15) and so on.

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Supplier Homepage Product Plastic Ball POM Bearing Balls 5.556mm 6.35mm 7.938mm 9.525mm

POM Bearing Balls 5.556mm 6.35mm 7.938mm 9.525mm

FOB Price: US $0.01 / Piece
Min. Order: 10,000 Pieces
Min. Order FOB Price
10,000 Pieces US $0.01/ Piece
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Transport Package: Carton
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: 1.5mm-9.525mm
  • Certification: CE, ISO
  • Universal: Yes
  • Material: Plastic
  • Size: 1.5mm-9.525mm
  • Trademark: H. R. T
  • Origin: China
  • Customized: Customized
  • Standard Parts: Yes
  • Type: Ball
  • Plastic: POM
  • Service Temperature: -40/85 Oc
  • Specification: GB308-2002
  • HS Code: 8482910000
Product Description
delrin (pom) plastic ball 5.556mm 6.35mm 7.938mm 9.525mm
Very light homopolimeric thermoplastic resin balls, they show good mechanical characteristics, corrosion resistance, wear and abrasion resistance. They are even good electric insulators and auto lubricant materials.
Applications
Spray agitators, light safety valves, low load bearings. Special pumps and valves, sliding rails for forniture, fluids flow check devices, medical instruments. They are used in foodstuff, chemical, electronic, pharmaceutical industry

Corrosion Resistance
Delrin resists in contact with basic, neutral and medially acid compounds, sea water, petroleum products, mineral oils and greases, inorganic salt solutions, aliphatic, aromatic and chlorine hydrocarbons, low gradation alcools, ether. It does not resist in contact with strong acids (hydrochloric, phosphoric, nitric and sulphuric), milkali

Technical name
 

Practice name
 

Abbreviation
 

Molecular formula
 

Polyoxymethylene 
 

Delrin 
 

POM 
 

(~CH2OH) 
 

POM Bearing Balls 5.556mm 6.35mm 7.938mm 9.525mm

Physical / mechanical / thermal / electric / magnetic properties
 

Property
 

Symbol
 

U.o.M.
 

Type
 

Notes
 

Values
 

Density 
 

δ 
 

[g/cm3] 
 

Physical 
 

Room temp. 
 

1.40 
 

Young's modulus 
 


 

[MPa] 
 

Mechanical 
 


 

2800 
 

Friction coefficient 
 

µ 
 


 

Mechanical 
 

Room temp. 
 

0.28 
 

Water absorption 
 

Aw 
 


 

Physical 
 

24 h 
 

0.3 
 

Coefficient of linear thermal expansion 
 

α 
 

[10^-6/ºC] 
 

Thermal 
 

(ΔT=0-100°C) 
 

93 
 

Thermal conductivity 
 

λ 
 

[W/(m@K)] 
 

Thermal 
 

Room temp. 
 

0.27 
 

Volume resistivity 
 

ρ 
 

[Ω*m] 
 

Electric 
 


 

> 10^13 
 

Relative magnetic permeability 
 

µ 
 


 

Magnetic 
 

Diamagnetic 
 

<~1 
 


Technical characteristics of balls
 

Property
 

Type
 

U.o.M.
 

Values
 

U.o.M.
 

Values
 

Hardness 
 

Mechanical 
 

[Shore D] 
 

80 - 90 
 


 


 

Compressive yield strength 
 

Mechanical 
 

[MPa] 
 

30 - 120 
 

[psix10^3] 
 

4 - 17 
 

Service temperature 
 

Thermal 
 

[ºC] 
 

-40 / 85 
 

[ºF] 
 

40 / 185 
 
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