Customized CNC Processing of Plastic Chain Gear Rack Nylon OEM ODM

Product Description

Product Description

 

UHMW-PE
Property	Typical Value	Units	Notes
Material	Ultra-High Molecular Weight Polyethylene
Density	0.93 - 0.94 g/cm³	g/cm³
Molecular Weight	> 3.5 million g/mol	g/mol
Melting Point	130 - 135°C	°C	Not a sharp melting point
Tensile Strength	20 - 35 MPa	MPa
Elongation at Break	> 350%	%
Flexural Modulus	0.8 - 1.2 GPa	GPa
Impact Strength (Izod unnotched)	> 50 J/m	J/m	High impact resistance
Coefficient of Friction (static)	0.09 - 0.20	-	Very low friction
Wear Resistance	Excellent	-
Chemical Resistance	Excellent	-	Resistant to many chemicals and solvents
Moisture Absorption	< 0.1%	%
Operating Temperature	-70°C to +80°C	°C	Can be higher for short durations
Color	Customized	-
Surface Finish	Smooth	-	Textured finishes available for specific applications
Sheet Thickness	3 mm - 100 mm	mm	Customize
Sheet Size	Up to 2m x 6m	m	Larger sizes may be available through special orders
UV Resistance	Moderate	-

  

HDPE
Property	Typical Value	Unit	Notes
Density	0.955 g/cm³	g/cm³	Minimum value according to ASTM D3350
Stiffness	High	-
Tensile Strength	20-30 MPa	MPa
Elongation at Break	100-800%	%
Flexural Modulus	1.0-1.2 GPa	GPa
Impact Strength (Izod notched)	50-80 J/m	J/m
Melting Point	130-180°C	°C
Chemical Resistance	Excellent	-	Resistant to many chemicals, acids, and bases
Moisture Absorption	Very low	-
Electrical Insulation	Good	-	High resistivity
Grades	Various	-	Designated by codes like PE 3408 or PE 4710 (ASTM D3350)
Color	Customized	-

 

Application

HDPE and UHMWPE, though similar sounding plastics, have distinct applications due to slight differences in their molecular structure. Here's a breakdown:

HDPE (High-Density Polyethylene):

• Strengths: Affordable, lightweight, good chemical resistance, easy to machine and fabricate.
• Applications: Commonly used for:
  • Bottles (milk jugs, shampoo bottles)
  • Food containers
  • Grocery bags
  • Pipes and tubing
  • Chemical storage tanks
  • Cutting boards (lower-end)
  • Toys

UHMWPE (Ultra High Molecular Weight Polyethylene):

• Strengths: Exceptional wear resistance, high impact strength, low friction coefficient, good chemical resistance.
• Applications: Used in demanding environments for:
  • Wear pads and liners (conveyor belts, chutes)
  • Gears and bearings
  • Artificial joints (hip replacements)
  • Marine components (boat fenders)
  • Cutting boards (high-end, butcher block)
  • Bulletproof vests (backing material)

 

Company Profile

SIMIS CASTING, established in year of 2004, is a professional foundry, including integrating development and production together, specialized in producing various kinds of investment casting parts, and sand casting parts. These casting parts are widely used in automobile industry, railway vehicle, construction machine, municipal works, pipeline, petrochemical industry, mine, electric utility industry and so on.

SIMIS has six affiliated casting workshop and 2 professional CNC machining workshops. There are 500 staffs and 40 engineers now in our company. Its annual production capacity for all types of casting parts is about 3000 tons. Holding over 100 sets of advanced casting parts, machining and test equipments.
It is also equipped with many advanced CNC machining center, CNC turning center, CNC milling machine and CNC lathes. It can do the heat-treatment, electricity polishing, mirror polishing and CNC machining at the request of clients.