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Полипропилен H 681 F
Гомополимер. Для производства рафии и монофиламентной нити; для экструзии.

TIPPLEN H 681 F is a homopolymer polypropylene with medium molecular weight and outstanding mechanical properties for extrusion. The product shows excellent processability in extrusion applications. Extrusion applications of TIPPLEN H 681 F include technical items such as household articles, blow moulded bottles, packaging for diary products, fruit-trays, biscuits, chocolates, etc. Typical application include textiles film yarn with a denier count of not more than 1100 to 1200 and isused for the production of carpet backing, bags, industrial fabrics and mats. TIPPLEN H 681 F is well suited for the production of baler twines, packaging twines and ropes. TIPPLEN H 681 F is suitable for food contact. The product complies with FDA and BGA norms.

Properties

Standard method

Unit

Value

MFI 21.6 N / 230 °C

 

ISO 1133

g / 10 min

1.7

ASTM D 1238

 

(1.4-2)

Tensile strength at yield

ISO 527

N/mm 2

36

ASTM D 638

 

35

Elongation at yield

ISO 527

%

11

ASTM D 638

 

11

HDT - 0.46 N/mm 2

ISO 75

°C

94

ASTM D 648

 

 

Rockwell hardness

ISO 2039/2

R scale

90

ASTM D 785

 

90

Flexural modulus

Drawn

ISO 527

N/mm 2

1450

of elasticity

Bent

ASTM D 790

N/mm 2

1600

Izod impact strength + 23 °C

ISO 180/1A

kJ / m 2

4.0

 

ASTM D 256

J / m

40

•  MFI measured at 230 °C under a load of 2.160 kg with standard nozzle having a diameter of 2.095 mm.
•  Typical mechanical property values measured on standard injection moulded specimens (ASTM D 2146 and ISO 3167), conditioned at room temperature (ASTM D 618 procedure A and ISO 291).