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Product Name: Special polypropylene for toothbrush handle  
Trade Mark: Sanren Brand  
Alternative Name: ?  
Molecular formula/Structural Formula:
Production Process: The product is blend-modified polypropylene resin manufactured through modification and extrusion/pelleting of polypropylen resin.  
Properties: The product is pellet in the shape of cylinder with two kinds of colour, one is ivory white(TB 500) and another is transparent(TB 500T).It has excellent impact strength, bending strength and gloss, good processability, dyeability and chemical stability.  
Grade: ?  
National Standard Grade: ?  
Enterprise Standard Grade: TB 500,TB 500T  
Specifications:

Q/SH 012.07.12-1999 Special Polypropylene for toothbrush handle

No.

Item

Unit

Quality Criteria

Testing

Method

TB500

TB500T

1

Melt flow rate

g/10min

5.0(+-1.0)

5.0(+-1.0)

GB 3682

2

Tensile yield strength

Mpa >=

35

35

ASTM D790

3

Bending modulus

MPa >=

1200

1200

ASTM D790

4

Outrigger impact strength(23℃)

J/m >=

30

40

ASTM D256

 
Scope of Application: Toothbrush handle and various kinds of impact and gloss injection mouldings.  
Major Applications: ?^# Extrusion or injection moulding  
Process Method: Heavy duty PE bag as inner packaging and PP woven bag as outer packaging. Each bag has a net weight of 25 kg.  
Packing: Converted dimension 550mm?50mm,or big package.  
Packing Size: The product should be stored in a dry, well ventilated warehouse. To avoid direct sunlight, the product should not be stored in the open air.  
Storage: By means of truck, vessel or train. During transportation the product should not be exposed to the sunlight and rain. Neither should the product be mixed with contaminants(e.g. sand,metal). There should be no heavy bump or unloading by throwing the bags.  
Transportation: 1.Be away from fire and heat sources.
2.Should not be stored or transported together with chemicals and inflammables.
3.Warehouse must be equipped with extinguishers or fire-fighting device.
4.Water, carbon dioxide, dry powder or 1211 can be used as extinguishers for the product.  
Safety Precautions:  
SPC

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