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Product Name: Polypropylene Resin (Y3500)  
Trade Mark: Sanren Brand  
Alternative Name: ?  
Molecular formula/Structural Formula:
Production Process: Liquid phase bulk polymerization process is used for production of the product. The polymer produced is of homo-polypropylene type.  
Properties: The pellet product is colourless and in the shape of a cylinder with good strength, good resistance to abrasion, excellent chemical stability, as well as fairly good heat-resistance.  
Grade: ?  
National Standard Grade: PPH-YL--425  
Enterprise Standard Grade: Y3500  
Specifications:

Q/SH 012.07.06-1999 Polypropylene resin

No.

Item

Unit

Quality Criteria

Testing

Method

Premium-grade

1st-grade

On-spec.

1

Cleanliness

piece/kg <=

0-5

6-10

11-20

GB 12670

2

Melt flow rate

g/10min

35.0(+-8.0)

35.0(+-8.0)

35.0(+-13.0)

GB 3682

3

Tensile yield strength

Mpa>=

32.8

31.0

30.4

ASTM D638

4

Outrigger impact strength(23℃)

J/m>=

17

15

13

MA 17027

5

Bending modulus

GPa>=

1.35

1.30

1.20

MA 17074

6

Isotacticity

%(m/m)>=

96.0

96.0

96.0

MA 15763

7

Ash

%(m/m)<=

0.01

0.02

0.03

MA 15681

8

Chlorine content

%(m/m)<=

0.004

-

-

MA 15794

9

Yellowness-index

<=

4

4

4

MA 19037

10

Fish-eye

0.8mm

Piece/1520cm2

<=

0-4

5-8

9-16

MA 17108

0.4mm

0-20

21-40

41-60

 
Scope of Application: Cegarrette filter fibre bundle and fine denier cotton type staple  
Major Applications: ?/textarea>
加工方法: