Technical Information
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PTFE Fine Powder CGM 021-DJX for molding

Latest Update: May 2005

 1.       Description: PTFE fine powder for molding, suitable for making both small and big products..

2.        Physical and chemical properties

l          Excellent chemical inertness.

l          Outstanding resistance to chemical corrosion, such as strong acid, alkali, strong oxidant, etc.

l          Exceptional resistance to high & low temperature, and to abrasion.

l          Can be used at temperature range from –200 ~ 250 ? for long period.

l          Superior electric insulation, which is not affected by temperature and frequency.

l          Non-adhesive to all other materials.

l          Non-absorption of moisture

l          Flame retardation.

3.        Molecular formula


4.        Technical information  




White powder

Tensile Strength

min. 30.0 MPa

Elongation at Break

min. 300 %

Moisture Content

max. 0.04%

Bulk Density

340 –450 g/l

Average Particle Size

20 ~ 70 µm

Standard Specific Gravity



max. 4.5%


5.         Processing Method: pre-forming by press molding then sintering.  

    Recommendation: pre-forming pressure: 20-35Mpa, sintering temperature: 375?.

6.        Typical applications: skived films, large products, etc..

7.        Safety precautions

n          Toxic gases will be produced when the material is heated above 260?. Ventilation system must be provided in sintering areas.

n          Sintering temperature should be below 400? to avoid decomposing.

8.         Packaging, notice for storage and transportation

n          25kg net packed in double PE plastic bags with a cardboard drum outside.

n           Store in clean, cool (5-20?) and dry place

n     Open containers and use the material in clean environment only. 


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