styrene butadiene rubber Granules

Sales Specifications

Property

Test Method

Units

Sales Specification Range

Notes

Polystyrene Content

KM 03

%m

29.0 to 31.0

Vis, Sol (Toluene) 15.0%w @25C

KM 06

Pa.s

1.00 to 1.40

Total Extractables

KM 05

%m

<= 1.4

Antioxidant content

KM 08

%m

>= 0.14

a

Volatile Matter

KM 04

%m

<= 0.3

Ash (AS, AT)

ISO 247

%m

<= 0.4

Ash (ASM)

ISO 247

%m

2.5 TO 5.0

a Only refers to primary antioxidant content

Property

Test Method

Units

Typical

Value

Notes

Specific Gravity

ISO 2781

0.94

300% Modulus

ISO 37

MPa

3.0

Melt Flow Rate, 200°C/5kg

ISO 1133

g/10min.

<1

Elongation at Break

ISO 37

%

800

Bulk Density

ASTM D 1895

method B

kg/dm3

0.4

Hardness, Shore A (30 sec)

ISO 868

Hardness,

Shore A (30 sec)

74

Tensile Strength