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NPCC-501 NATURAL AND SYNTHETIC RUBBER

China

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Product Specification

Classification : - CAS No. : - Other Names : - MF : - EINECS No. : - Grade Standard : - Purity (%) : - Appearance : - Application : - Brand Name : -

Product Description

Nano calcium carbonate (Nano-precipitated calcium carbonate), as a function of nano-reinforced material, has been successfully applied in chloroprene rubber (CR), chlorinated polyethylene (CM), chloroprene compound (alloy rubber), ethylene propylene diene monomer (EPDM) , EVA rubber.

 

Chloroprene rubber due to its excellent flame resistance, oil resistance, high flexibility and softness, etc., are widely used in coal mine cables, shipboard cables outer sheath material, but its poor compatibility with the filler, product appearance rough, and friction Hot Big Easy early curing, such as adding NPCC 25phr, can significantly improve the appearance of smoothness, soft features, while scorch time may be extended more than 30%, anti-tear properties were also improved significantly (with 10phr silica can reach 9N / mm and above), especially for use in harsh environments of outer cable jacket material formulations.

 

EPDM rubber in the cable industry, mainly as a reinforcing material insulating material, with the cable life and heat resistance rating requirements increase, more widely used. EPDM rubber as poor self-adhesive, mixing and extrusion process is poor, while with low gel strength, feeding problems, low productivity, and lower strength vulcanized rubber, to bring product development and processing difficult. NPCC completely make up for EPDM rubber in the above deficiencies. Test shows that NPCC in highly filled EPDM rubber (Chemtura's 301T) up to 200phr fill more than a gel content of 25% or less, can still meet the performance requirements of cable insulation, while ensuring more good mixing and extrusion process performance, while securing the electrical performance requirements. If you used NPCC in Cable General EPDM grades (J4045, TER4044, R5015, EP21) , we can fill with talc increases the proportion of 1:1 containing glue 38% more than its tensile strength in 8Mpa elongation in 330% more than two indicators can achieve more than twice that of ordinary reinforced materials.

 

Developed rapidly in recent years, chlorinated polyethylene rubber, the nano calcium carbonate (nano-precipitated calcium carbonate) also played a role in their functional materials. Silica as the major chlorinated polyethylene rubber reinforcement materials, adding reached 40phr in When the Mooney viscosity of above 100, although mechanical properties were greatly improved, but mixed difficulties extrusion extrusion current is too large, and easily advance sulfide.The silica and calcium carbonate all join 20phr, the mechanical properties changed little, while the Mooney viscosity decreased more than 35, while curing product appearance is fine, good elasticity.

TYPICAL VALUES

NPCC-501

Technical guidelines

Appearance

White powder

Specific gravity, dry basis  (g/cm3)

2.5-2.6

Bulk density  (g/ml)

0.68

Particle size (avg), (nm)

15-40

Surface area (BET)   (m2/g)

40

Whiteness  (%)

94

Particle shape 

Cubic, in chain

PH

9.0-10.0

Moisture content  (wt)  (%)

0.5

CaCO3  dry basis (modified)  %

94.5

MgO % (wt)

0.7

Surface modification

Yes

Product packing

25Kg Paper moulding and compounding bag

 

Contact Us

Contact Person : wang

Company:NanoMaterials Technology Co., Ltd.

Address:China,

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wang < NanoMaterials Technology Co., Ltd. >
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