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Masterbatch of CaCO3 +LLDPE

GradeSP-22

1Applications

 

aModifier for general purpose LLDPEGarbage bags which generate less heat, flat yarn, inner film for laminated paper bags, shopping bags, adhesive tape etc..

bPE industrial films, packing materials & containers etc.

 

2Features

 

aSP-22 is a LLDPE-based masterbatch containing 80% nano-precipitated calcium carbonate. It is grayish white with excellent dispersibility.

bIt can be mixed with PE resin for film blowing, casting, extrusion etc. and is easy to disperse with good compatibility. It functions as a modifier to improve the heat resistance, slip resistance, size stability, printability and texture. It also reduces heat release from burning, thus prevents secondary environmental pollution.

cThe printing, whitewash good; white opaque can reduce the amount of white pigment

 

3Processing suggestions

 

aGeneral dosage recommended at 5~50 PHR with variation according to the products.

bThe processing temperature is set according to resin’s processing temperature and it applies well among 220±40℃.

4Specifications

 

Item

Test method

Unit

Typical value

Base

-----

-----

LLDPE

CaCO3 content

-----

%

80

Specific gravity  23

GB1033-70

g/cm3

1.89

MI  2.16kg/190

GB3682-83

g/10mins

7-8

..0

Moisture

IR

%

< 0.2

Shape

-----

granule

Ø2~3mm

 

5Applications

 

 

Sampling direction

Thickness

(mm)

Tensile strength (MPa)

Yield strength (MPa)

Elongation

Comparison samples

Vertical

0.025

42.5

22.1

460

Add SP-2230Share

Vertical

0.025

45.6

24.8

481

 

6Packing : 25kg/bag

NoteUse immediately once open to atmosphere. Keep away from moisture

 

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