PET Rods Material

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Product details

PET Polymer Rods Material

Product Description

PET rod (Polyethylene Terephthalate) is a high molecular weight crystalline polymer (with a number average molecular weight Mn ≥ 15000) produced through a condensation reaction using terephthalic acid (PTA) and ethylene glycol (EG) as raw materials. It is continuously extruded or molded using a two-stage extruder. Its internal structure is highly crystalline (crystallinity ≥ 40%, better than the 25% -30% of ordinary injection grade PET), ensuring that the product has higher rigidity and dimensional stability. The product is a solid and uniform round rod, with a surface that has been precision mirror polished or frosted, with a roughness Ra ≤ 0.4 µ m, suitable for precision mechanical assembly.

pet plastic

Comparative analysis of similar products

Performance	PET rod	PA66 nylon	POM polyoxymethylene	PEEK polyetheretherketone
Hardness (Shore D)	70-80	60-70	75-85	90-95
Chemical corrosion resistance	Moderate	Weak	Moderate	Extremely strong
Temperature resistance performance	-40~120 ℃	-40~120 ℃ (water absorption failure)	-40~120 ℃	-60~250 ℃
Cost	Low	Medium	Medium	High
Processing difficulty	Simple	Requires drying treatment	Easy to absorb water, requires strict humidity control	High equipment requirements
Representative advantages	high cost-effectiveness, stable size	high toughness, wear resistance	high rigidity, low friction	super heat resistance, corrosion resistance

Characteristics

Mechanical strength: Tensile strength ≥ 70 MPa, flexural modulus ≥ 2.8 GPa, both rigidity and impact resistance (notch impact strength ≥ 6 kJ/m ²), superior to most commonly used plastics.

Chemical corrosion resistance: Resistant to acids (pH 1-3), alkalis (pH 10-12), and organic solvents (such as alcohols and esters), but avoid strongly polar solvents (such as acetone and concentrated sulfuric acid).

Dimensional stability: The coefficient of linear expansion (20-100 ℃) is 7 × 10 ⁻⁵/K, and the deformation rate under temperature changes is less than 0.15%, making it suitable as a material for precision components.

Temperature resistance: Long term use temperature range of -40 ℃ to 120 ℃, short-term tolerance of 150 ℃, no significant creep.

Surface characteristics: Surface roughness (Ra) ≤ 0.8 µ m, with self-lubricating properties (friction coefficient 0.2-0.3), reducing machining friction losses.

pet rod for manufacturing

Scope of application expansion

Medical equipment: CT machine guide rail (requires radiation enhanced type, thickness tolerance ± 0.02mm);

Semiconductor: wafer stage insulation bracket (surface roughness Ra ≤ 0.2 µ m, surface conductivity ≤ 10 ⁶ S/m);

New energy: photovoltaic module buckles, lithium battery module insulation frames (resistant to electrolyte corrosion);

Rail transit: Platform screen door sliding rail component (surface hardness HV 900+, resistant to friction and wear).

pet plastic sheet and rod

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Foshan Anheda New Material Co., Ltd

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Main Product: Nylon Sheet, PE Sheet, PP Sheet , PEEK Sheet, POM Sheet, PTFE Sheet

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