High precision PP hollow balls

 Attention:the pictures can be magnified

Diameter size: 9.5, 15, 18.54, 20, 22, 23, 24.8, 24.9, 25, 25.1, 25.15, 25.2, 25.4, 25.5, 28.6, 28.7, 28.8, 33, 35, 35.1, 35.2, 35.4, 35.5, 35.56, 38, 44, 46, 50, 55, 80mm

Product descripiton: High precision polypropylene hollow balls (PP hollow balls) is made of food grade polypropylene material by blow molding and high precision grinding, the surface smooth and clean. Used in various parts, machinery, testing, environmental protection and chemical industry. 

Packing: in standard carton (580x330x430mm)

MOQ: 100,000 pieces for (10 ~ 25mm)

            50,000 pieces for (25 ~ 46mm)

            20,000 pieces for (46 ~ 100mm)

            5,000 pieces for (150 ~ 180mm)

Note: we accept customized the ball color, ball weight, ball size and package modality

Payment: T/T or L/C at sight

Polypropylene(PP) data sheet:

Properties

Typical Value

Unit

Test Method

Density of polypropylene

0.907

g/cm3

ISO 1183

Water absorption of polypropylene

0.02

%

ISO 62

Compression strength 2,1mm/350g

min 37

N/cm²

internal IPB

Tensile strength (50 mm/min)

38

MPa

ISO 527

Elongation at break (50 mm/min)

800

%

ISO 527

Flexural modulus

1250

MPa

ISO 178

Impact strength Izod (23°C)

80

kJ/m²

ISO 180

Shore D hardness

66

-

ISO 868

Coefficient of linear expansion

0.18

mm/m°C

ASTM D696

Specific Heat

1.68

J/g°C

DSC

Heat deflection temp. (0,46 MPa)

78

°C

ISO 75

Vicat softening point (1 kg) (10N)

148

°C

ISO 306

Vicat softening point (5 kg) (50N)

78

°C

ISO 306

Light transmission 2.0mm/400g

58

%

internal IPB

Light transmission 2.5mm/450g

53

%

internal IPB

The above data are typical laboratory average. They are intended to serve as guides only.