Physical performance for shock piston	tensile strength	More than 15MPa
	elongation @ break	More than 200%
	shore hardness	57 - 61
	density	2.15 – 2.19 g/cm³
	wear	Less than 50mg
	friction coefficient	Less than 0.3
	highest working temperature	260℃

Description:

glass fiber and Molybdenum disulphide filled PTFE banded shock pistons with low friction and low creep

physical properties:

percent Molybdenum disulphide: 7%

percent glass fiber: 5%

PTFE melting point: 327℃

Boiling point: 400℃

Decomposition TEMP: 620℃

Tensile elongation: 125%

Hardness: 59D

Material of sinter piston: Fe-C-Cu powder

Percent of C: 0.5%~0.8%

Percent of Cu: 2%~4%

Others: less than 1.5%

Percent of Fe: balance

Shock absorber pistons are produced by our automatic banding machine which is designed and

produced by XIAYI company.

Process flow chart for banding pistons

1. POWDER BLENDING

2. PTFE CYLINDER COMPRESSION

3. SINTERING

4. PTFE DISC PRODUCTION

5. PRO-COMPRESSION

6. HEAT COMPRESSION

7. MOLDING

8. DEBURRING

9. INSPECTION

10. PACKAGE

We can produce different kinds of sinter metal parts, PTFE guide rings, banded pistons and other PTFE

products.

Welcome to visit our company to check production and inspection abilities.

We have a complete test equipment and can do property testing in our company.

Durability testing:

Stroke: 50mm

Speed: 1m/s

Side load: 30kgf

Duration 3 million cycles

Temperature: 80℃+/-10℃

No band peel off or breakage after test

Applications:

Car or motorbike shock absorbers

Competitive Advantage:

Strong R&D team

Responsible staffs

Clean workshop

We will bring you pistons with good quality and competitive price.

Picture show:

Product Tags:

ptfe banded piston

pneumatic piston rod

piston pin material

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