Beihai Rede Kaolin Co.,Ltd not only manufactures but also is the export company for the largest Kaolin producer in China.High quality washed kaolin clay and also calcined Kaolin. Refer to the below list for specifications.

 

Raw Kaolin



Features and Applications
This product has good advantages with fine particle size, high dry strength, high aluminum content, high caking property, low price and is made of natural kaolin clay without the processing of water scrubbing. Widely used in the body of ceramics and floor tiles.There is an abundance of raw material which guarantees consistent long term supply.

Package
Filter Cake Shape: 50kg P.P.Bag or 1000kg Jumbo Bag, or In Bulk

 

Product Code

RTC-RAW

SiO2(%)

64.74

Al2O3(%)

22.89

K2O(%)

1.26

Na2O(%)

0.19

Fe2O3(%)

1.25

TiO2(%)

0.75

MgO(%)

0.08

CaO(%)

0.06

P2O5(%)

0.04

SO3(%)

0.03

Cr2O3(%)

0.9

NiO(%)

0.03

ZrO2(%)

0.03
 

Mixed Clay Bar


Features and Applications
Mixed Clay Bar is made by extruding mixed high-quality washed kaolin with white clay and black clay from the Beihai area.This product has good advantages with high dry strength, high viscosity, high caking property, easy processing, stable quality and low price.Widely used in the body of ceramics and floor tiles.There is an abundance of raw material which guarantees consistent long term supply.

Traits
Low price, High dry strength, excellent performance, easy processing and stable quality

Package
Filter Cake Shape: 50kg P.P.Bag or 1000kg Jumbo Bag, or In Bulk

 

Product Code

RTC-NT55

RTC-NT58

RTC-NT65

%Particles < 2 μm

55%

55%

55%

PH

5-6

5-6

5-6

SiO2 (%)

20

69

68

Al2O3 (%)

20

23

25

Fe2O3 (%)

1.5

>1.3

>1.2

TiO2 (%)

0.3

0.3

0.3

Fired Shrinkage (%)

55

58

65

Sand content% (325mesh)

10%

> 8%

> 5%

Dried strength (Map)

3.5

4

4

4‰ STPP velocity

> 60″

> 60″

> 60″

Moisture (%)

24

> 24

> 24
   

Kaolin for ceramics

Features and Applications
This product is made from weathered sandy Kaolin slurry which has been well-granular graded and pressed filtration.Under Kaolin products perform well on plasticity, cohesiveness and sinter ability.They are white, compact and have large mechanical intensity which can be well used as clay body and glaze in all kinds of floor tiles, table ware and sanitary ware etc.

Package
Filter Cake Shape: 50kg P.P.Bag or 1000kg Jumbo Bag

 

Product Code

RTC-W90A

RTC-W90B

RTC-W88

RTC-W85

RTC-W82

RTC-W78

Particles < 2 μm

≥50

≥80

≥50

≥50

≥45

≥35

Screen residue +325mesh

≤0.5

≤0.1

≤0.5

≤0.5

≤0.5

≤1.0

Fired whiteness

≥90

≥89

≥88

≥85

≥82

≥78

PH

4-6

4-6

4-6

4-6

4-6

4-6

Moisture

Filter Cake Shape 30±1%,Powder 2%

SiO2 (%)

≤49.0

≤46.5

≤49.5

≤49.5

≤50

≤52

Al2O3 (%)

≥38.0

≥36.5

≥36.0

≥35.5

≥35.5

≥33.0

Fe2O3 (%)

≤0.3

≤0.55

≤0.7

≤0.8

≤0.95

≤1.05

TiO2 (%)

≤0.05

≤0.1

≤0.15

≤0.15

≤0.2

≤0.2

K2O (%)

1.50±0.3

1.50±0.3

1.50±0.3

1.50±0.3

1.50±0.5

1.50±0.5

Na2O (%)

0.1±0.05

0.1±0.05

0.1±0.05

0.1±0.05

0.1±0.05

0.1±0.05

CaO (%)

0.1±0.05

0.1±0.05

0.1±0.05

0.1±0.05

0.1±0.05

0.1±0.05

MgO (%)

0.15±0.03

0.15±0.03

0.15±0.03

0.15±0.03

0.15±0.03

0.15±0.03

Lg (LOS)

≤14.0

≤14.0

≤13.5

≤13.5

≤13.0

≤13.0
   

Ball Clay For Ceramics



Features and Applications
Ball clay is a type of clay with high plasticity and rich in organic matter.Mainly consisting of unprocessed Kaolin.The products are produced using black clay and by washing, classification, removing impurities and rinsing producing a slurry.After mixing and processing through Kaolinite pressure filters Ball Clay is produced which is high in strength, viscosity, plasticity, fluidity and sintering behavior.The quality is soft, the viscidity is great.It is one of the important combination clay in the ceramic industry and the good quality raw material of tiles, sanitary ware, domestic ceramic products.

Package
Filter Cake Shape: 50kg P.P.Bag or 1000kg Jumbo Bag or In Bulk

 

Product Code

RTC-BC82

RTC-BC80

RTC-BC78

RTC-BC75

RTC-BC70

RTC-NT60

RTC-NT55

Humidity (%)

28±2%

28±2%

28±2%

28±2%

28±2%

23±2%

23±2%

Particle size >325 mush

≤1%

≤1%

≤3%

≤3%

≤3%

≤20%

≤20%

MOR (kgf／cm2)

30

35

40

45

45

55

52

LOI(%)

13.5

12.8

12.5

12

12

9.15

8.5

Fired Shrinkage(%)

6.5

6.5

5.8

5.8

5.8

6.3

6.3

Water Absorption

11.5

10

10

9.1

9.5

12.2

12.4

Fired Whiteness

82

80

78

75

70

60

55

Al2O3 (%)

34.5

33.5

33

32.5

31.5

25

22

Fe2O3 (%)

0.85

0.9

0.95

1

1.05

1.1

1.2

TiO2(%)

0.25

0.25

0.35

0.35

0.45

0.4

0.4
   

Kaolin for paper (washed kaolin)

Commercial Application
RZT-90: Paper coat, Bottom coat.
RZT-80: Paper coat, Bottom coat
RZT-50: Paper filler

Trait
RZT-90: laminar structure, small particle size, high brightness
RZT-80: laminar structure, small particle size, high brightness
RZT-50: laminar structure, small particle size, high brightness

Packing
1000kg, 600kg Jumbo Bag , 25kg P.P.Bag

 

Product Code

RZT-90

RZT-80

RZT-50

ISO Brightness

≥86.0

≥85.0

≥84.0

Particles < 2 μm%

≥90.0

80-85

≥50.0-60

Particles > 45 μm%

≤0.005

≤0.005

≤0.01

pH

5~7

5~7

5~7

Brookfield Viscosity 60 RPM, No. 3 rotor

500 cps. @68% sol.

500 cps. @68% sol.

500 cps. @65% sol.

Al2O3

≥36.0

≥36.0

≥35.5

Fe2O3

≤0.65

≤0.65

≤0.85

SiO2

≤49.5

≤49.5

≤50.0

K2O/Na2O

≤1.50/0.20

≤1.50/0.20

≤1.50/0.20

Commercial Application

Paper coat

Bottom coat

Paper coat

Bottom coat

Paper filler

Trait

laminar structure, small particle size, high brightness

laminar structure, small particle size, high brightness

laminar structure, small particle size, high brightness
   

Kaolin powder for paint, rubber and plastic

Commercial Applications
RTL-80: mid-high grade internal and external wall emulsion paint and plastic pigment.
RTL-70: middle grade internal and external wall emulsion paint and wall emulsion paint.
RTL-50: Middle grade internal and external wall emulsion paint and plastic pigment.
RTL-40, RTL-30, RTL-RAW: rubber, pesticide, fertilizer and dope.

Trait
RTL-80: Weatherproof and superior coverage ability.
RTL-70 : Weatherproof and superior coverage ability.
RTL-50: Weatherproof and superior coverage ability.
RTL-40 : Small particle size, high viscidity.
RTL-30 : Small particle size, high viscidity.
RTL-RAW Small particle size, high viscidity.

Packing
1000kg, 600kg Jumbo Bag, 25kg P.P.Bag

 

 

Product Code

RTL-80

RTL-70

RTL-50

RTL-40

RTL-30

RTL-RAW

ISO Brightness

≥86.0

≥85.0

≥84.0

78-80

74-78

65-75

% Particles -2μm

80-85

70-75

50-55

40-45

30-35

60-65

% Particles > 45 μm

≤0.01

≤0.05

≤0.05

≤0.1

≤0.2

≤0.5

pH

4~7

4~6

4~6

4~6

4~6

4~6

Al2O3

≥36.0

≥36.0

≥35.5

≥32.5

≥30.0

≥20.0

Fe2O3

≤0.60

≤0.75

≤0.85

≤0.95

≤1.00

≤1.20

TiO2

≤0.2

≤0.2

≤0.2

≤0.2

≤0.2

≤0.2

Moisture %

2 or 6

2 or 6

2 or 6

2 or 6

6-8

6-8

Commercial Application

mid-high grade internal and external wall emulsion paint.

middle grade internal and external wall emulsion paint and plastic pigment

robber, pesticide, fertilizer and dope

Trait

weatherproof and superior coverage ability

weatherproof and superior coverage ability

small particle size, high viscidity
   

Calcined Kaolin Powder

Performance
Plasticity, bonded, decentralized insulation, sintering,flame retardant,fire?resistance,adsorption,weather
resistance, chemical stability.

Application
RCK-30: Replacement for alumina in ceramic glaze.
RCK-50: Filler for paint, replacement for titanium in pigments.
RCK-60: Filler for paint replacement for titanium in pigment.
RCK-80、RCK-90: Paper coat

Packing
1000kg, 600kg Jumbo Bag, 25kg P.P.Bag

 

Product Code

RCK-20A

RCK-50

RCK-60

RCK-80

RCK-90

Brightness(ISO)

90.0 min

92-93

92-93

92-93

92-93

Particle Size -2μm%/mesh

20% min/325

50% min/1250

60% min/2500

80% min/4500

90% min/6000

Screen residue (325 mesh, %)

0.1 max

0.05 max

0.005 max

0.004 max

0.002 max

Oil Absorbency (g/100g)

25

45

55

66

70

PH

6.0-7.0

Moisture (%)

0.6 max

M g /2000

 

 

 

4

3.6

SiO2（%）

53.7

Al2O3（%）

44.97

Fe2O3（%）

0.35

TiO2（%）

0.2

CaO（%）

0.3

Na2O (%)

0.15

R2O (%

0.4

RO (%）

0.5

Application

Replacer for alumina in ceramic glaze

Filler for paint, replacer for titanium in pigment

Filler for paint replacer for titanium in pigment

Paper coat

Paper coat
   

Refractory Clay



Features and Applications
The product is a specialty produced from the sedimentary clay in Guangxi, with fine particle size, viscosity, high plasticity, combined with strength, good dispersing and high refractoriness advantages. The mineral composition is mainly disordered Kaolinite >65% of, quartz <30%, Montmorillonite <10%,Illite<3%,and a small amount of Titanium minerals such as Iron. The mineral’s particles are fine, the Kaolin particle size is less than 2μm.The clay has high plasticity, plasticity index typically greater than 25,some up to 45 above. It can be widely used in a variety of refractory materials and products.

Package
1000kg, 600kg Jumbo Bag, 25kg P.P.Bag

 

Product Code

RNH-C33

RNH-C31

RNH-C28

RNH-C33A

RNH-C33B

RNH-C31A

RNH-C31B

RNH-C28A

Refractoriness ≥（℃）

1720

1720

1680

1680

1630

LOI % ≤

13

13

14

14

14

Plasticity index

35

35

33

33

30

Particle Size(Mush)

0-325

0-325

0-325

Al2O3≥

33

32

31

30

28

Fe2O3≤

1.5

1.5

2

2

2.5

SiO2≤

45

48

55

TiO2≤

1.7

1.7

1.7

CaO <

0.3

0.3

0.3

MgO<

0.25

0.25

0.25

K2O≤

0.4

0.5

0.5

NaO<

0.07

0.08

0.09
   

Dolomite

dolomite

Item

Testing Result

Remarks

Igloss（%）

47.02

 

Al2O3（%）

0.02max

 

SiO2（%）

0.51max

 

Fe2O3（%）

0.0060

0.0040－0.0080

CaO（%）

31.00

 

MgO（%）

21.08

 

K2O（%）

0.004

 

Na2O（%）

0.15

 

TiO2（%）

0.02max

 
   

Heavy calcium carbonate

  1. Common heavy calcium carbonate
    (1) Heavy calcium carbonate is widely used as inorganic non-metallic stuffing, it plays an important role in the field of high polymer and composite materials. It mainly adopts the classification system with strict screening and the structure of the solution calcite, adopts the advanced production equipment in the industry, after a series of scientific process, it will produce the super calcitefine powder which fineness is 325-2000 mesh.
    (2) It is of high whiteness, uniform particle size and good stability. It can be used as ideal stuffing and performance improvement material in paper, plastic, rubber, coating, feed., daily chemical industry, ceramic and other industries.
    (3) We will Gradually introduce the fineness of 3000-5000 mesh calcite powder product

  2. Active heavy calcium carbonate
    (1) On the foundation of the common superfine heavy calcium carbonate and in view of the different application field, it will relevant select different modification process to make the common superfine heavy calcium carbonate after the modification have better compatibility with the high polymer.
    (2) It has an advantage of improving tensile, crushresistance and wear-resisting property of the product. After mixing, it will shorten melting time, reduce balance torque, improving dispersion, shading easy. It can also increase the surface gloss of the products, to make the tensile strength and impact strength of the products improve obviously.
   

Light calcium carbonate

  1. Light calcium carbonate for rubber

    It can effectively improve interface bonding strength and mechanical properties of the plastic composite material, it is of good dispersity and good whiteness. It play an important on toughening, reinforcing, improving glossiness of the products and the product properties in the industries of the plastic pipe, profile, plastic products, biodegradable plastic, wire, cable material, rubber and coatings.

    Product index:
    CaCO3（%）：99
    PH: 9.0-10.0
    Moisture (%): 0.3-0.4
    sedimentation volume（ml/g）: 2.8-3.0
    Mn(%):0.04
    Fe (%): 0.006
    Screenings(125um testing sieve) (%): 0.009
    Whiteness: 95-96

  2. Light calcium carbonate for paper-making

    It has an advantage of pure white colour and lustre, high gloss, small transparency, big refractive indexes , strong cover rate and good dispersion. It can obviously improve the paper opacity , brightness, smoothness and uniform state. In addiction, it can also increase paper softness, reduce the paper moisture absorption ability and deformation degree, inprove absorption property of the printing ink when printing.

    It can be used in manufacturing various cultural paper, High whiteness chrome paper, white cardboard and other paper pulp.

    Product index:
    CaCO3（%）：99
    PH: 8.0-9.0
    Moisture (%): 04-0.5
    sedimentation volume（ml/g）: 2.3-2.4
    Mn(%):0.04
    Fe (%): 0.006
    Screenings(125um testing sieve) (%): 0.009
    Whiteness: more than 96
   

Nanometer active calcium carbonate for printing ink (RCC-4)

ink

  1. According to printing ink industry, CCR-4 has good thixotropic performance with the ink, it can improve ink viscosity and yield value effectively，liquidity and permeability , it can also improve ink gloss, brightness and dry property，and it will ncrease its ability to cover.
  2. It can be used in common printing ink, resin light rubber printing ink, High-speed wheel offset printing ink and other high-grade printing ink products.

Product index:
CaCO3（%）：98
Specific surface area（m/g2）:32±3
Specific gravity(g/cm3): 2.40-2.55
Average grain diameter (nm): 30-60
MgO (%): 0.4
Fe (%): 0.04
HCl insoluble (%): 0.1
Moisture (%): 0.3
PH: 8.9
DOP oil absorption value(gDop/100g CaCO3): 30-40
Whiteness: 96
Activation rate (%): 98

   

Nanometer active calcium carbonate for paint (RCC-3)

paint

  1. After dealing with the surface modification of nanometer calcium carbonate by using the special activator, it will be with small particle size, high whiteness and high surface energy.
  2. It can partially replace the dosage of lithopone and titanium pigment, and reduce the dosage adhesive in the base stock, in addiction, it can improve the flow performance of coating, increase chemical stability, the coating hardness and luster of the coating.
  3. It can be used in water-based coatings, power coatings, solvent-based coating and other coatings.

Product index:
CaCO3（%）：98
Specific surface area（m/g2）:29±3
Specific gravity(g/cm3): 2.40-2.55
Average grain diameter (nm): 40-80
MgO (%): 0.4
Fe (%): 0.04
HCl insoluble (%): 0.1
Moisture (%): 0.3
PH: 8.9
DOP oil absorption value(gDop/100g CaCO3): 24-28
Whiteness: 96
Activation rate (%): 98

   

Nanometer active calcium carbonate for adhesive (RCC-2)

wer

  1. After dealing with the surface modification and crystal-controlling of nanometer calcium carbonate, it has an advantage of narrow diameter distribution, big specific surface area, low oil absorption quantity. It has obviously reinforcement effect in adhesive.
  2. It has very good compatibility with manufacturing adhesive, it can be used as the thixotropic agent of adjusting the concentration of the adhesive and flowing property. It can improve mechanics performance of the adhesive and increases the stability of thermal damage
  3. The products we manufacture are low oil absorption value, high whiteness, uniform particle size and high activation rate. I can be used in PVC plastisol, silicone sealant structure, hot melt adhesive water base adhesive and so on.

Product index:
CaCO3（%）：98
Specific surface area（m/g2）:32±3
Specific gravity(g/cm3): 2.40-2.55
Average grain diameter (nm): 40-60
MgO (%): 0.4
Fe (%): 0.04
HCl insoluble (%): 0.1
Moisture (%): 0.3
PH: 8.9
DOP oil absorption value(gDop/100g CaCO3): 20-24
Whiteness: 96
Activation rate (%): 98

   

Nanometer active calcium carbonate for plastic (RCC-1)

plastic

  1. After processing the nanometer calcium carbonate, it plays a more and more important role in PVC, PP, PS and other plastic industries.
  2. Small particle size，big specific surface area, it has very good compatibility with polymer system in the plastic, then they can firmly combine with resin. In the polymer matrix, it can form massive special structure which can scatter the striking energy. When the plastic impacted by external striking or shearing role, it can dispersedly absorb the energy. It can also improve the toughness, geometric stability of the products of PVC and PP at a low cost. By this way it can improve the erosion-resisting performance and reduce the dosage resin and erosion-resisting modifier, so it makes the products improve in rigidness, toughness and hardness.
  3. It can be used in structural section and tubing of PVC, cable colloidal particle, PVC calendaring film and other plastic products industry.

Product index:
CaCO3（%）：98
Specific surface area（m/g2）:28±3
Specific gravity(g/cm3): 2.40-2.55
Average grain diameter (nm): 50-80
MgO (%): 0.4
Fe (%): 0.04
HCl insoluble (%): 0.1
Moisture (%): 0.3
PH: 8.9
DOP oil absorption value(gDop/100g CaCO3): 23-35
Whiteness: 96
Activation rate (%): 98

   

Nanometer active calcium carbonate for rubber (RCC)

rubber

  1. After dealing with the surface modification, nanometer calcium carbonate have very good compatibility with rubber, in the rubber, it appears a special space three-dimensional structure, and improves the property of the rubber products
  2. Tensile strength, Tear strength and wear resisting property are Obviously increased. It can 、change processing property of rubber products effectively, enhance vulcanizates hardness and improve tensile properties and surface smoothness.
  3. It can be used in filling reinforcing effect, by this way, it can be not only partially instead of the expensive white carbon black, but also increase the volume and quality of formula materials，relatively reduce dosage of rubber, Lower the construction cost and improve the economic benefit.

Product index:
CaCO3（%）：98
Specific surface area（m/g2）:28±3
Specific gravity(g/cm3): 2.40-2.55
Average grain diameter (nm): 50-80
MgO (%): 0.4
Fe (%): 0.04
HCl insoluble (%): 0.1
Moisture (%): 0.3
PH: 8.9
DOP oil absorption value(gDop/100g CaCO3): 25-29
Whiteness: 96
Activation rate (%): 98

   

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