Foshan Ruiang Technology Co., Ltd.

Foshan Chancheng District Ruijin Mould Factory

 

grades WX-4 WX-5 WX-6 WX-7 WX-8 红-5 红-7 红-8
bulk density
g/cm3		 1.75 1.85 1.90 1.82 1.90 1.68 1.85 1.90
resistivity
μΩm		 8-11 8-10 8-9 11~13 11-13 13-15 11-13 11~13
Thermal conductivity (100°C)
W/m.k		 110-120 130-140 130-140 110-120 110-120 80-100 100-120 110-120

Coefficient of thermal expansion

(room temperature - 600°C)

10-6/C

 5.46 4.75 4.8 5.8 5.85 5.8 5.9 5.85
Shore hardness
HSD		 42 48 53 65 70 60 68 72
flexural strength
Mpa		 38 46 55 51 60 38 62 70
compressive strength
Mpa		 65 85 95 115 135 80 135 160
modulus of elasticity
Gpa		 9 11.8 12 12 13 8.8 12 13
porosity
%		 17 13 11 12 11 18 12 11
ash
PPM		 500 500 500 500 500 500 500 500
Ash purification
PPM		 50 50 50 50 50 50 50 50
granularity
μm		 13-15 13-15 8-10 8-10 8-10 8-10 7 5
Recommended Applications common (use) common (use)

continuous casting (metallurgy)

Sintering

Pyrometallurgy

electric spark

photovoltaic

electric spark

Photovoltaic

Glass

 electric spark

common (use)

electric spark

electric spark

Photovoltaic

Glass

 

Isostatic graphite

Performance indicators of isostatic graphite materials for new energy vehicles and continuous casting industries.

grades bulk density resistivity thermal conductivity

Coefficient of thermal expansion

(room temperature - 600°C)

 Shore hardness flexural strength compressive strength modulus of elasticity ash Ash purification
g/cm3 μΩm W/m.k 10-6/℃ HSD Mpa Mpa Gpa PPM PPM
KYX-5  1.80  8-10 125 4.9 45 40 80 9.5 500 50

 

 

Isostatic graphite

Performance indicators of isostatic graphite materials for high temperature casting and ammonia fuel cell bipolar plate industry.

grades bulk density resistivity thermal conductivity

Coefficient of thermal expansion

(room temperature - 600°C)

 Shore hardness flexural strength compressive strength modulus of elasticity ash Ash purification
g/cm3 μΩm W/m.k 10-6/℃ HSD Mpa Mpa Gpa PPM PPM
KYX-5P 1.90 8-10 135 4.0 55 55 105 12 500 50

 

 

Isostatic graphite

Performance indicators of isostatic graphite materials for semiconductor industry and 3D hot bending glass.

grades bulk density resistivity thermal conductivity

Coefficient of thermal expansion

(room temperature - 600°C)

 Shore hardness flexural strength compressive strength modulus of elasticity Average particle size
g/cm3 μΩm W/m.k 10-6/℃ HSD Mpa Mpa Gpa μm
KYD-8 1.84  10~14 125 4.2 50 50 115 11 5

 

 

Isostatic graphite

Performance index of isostatic graphite material for photovoltaic industry.

grades bulk density resistivity thermal conductivity

Coefficient of thermal expansion

(room temperature - 600°C)

 Shore hardness flexural strength compressive strength modulus of elasticity ash Ash purification
g/cm3 μΩm W/m.k 10-6/℃ HSD Mpa Mpa Gpa PPM PPM
KYD-4 1.72 10~13 100 5 40 30 65 9.2 500 50
KYD-6 1.81 11~14 120 4.5 60 45 90 10.5 500 50

 

 

Isostatic graphite

Performance index of isostatic graphite material for EDM industry.

grades bulk density resistivity Shore hardness Rockwell hardness flexural strength Average particle size
g/cm3 μΩm HSD HRL Mpa μm
KYX-7 1.76 12~16 40 94 40 8
KYX-60 1.78 12~16 45 100 45 4

 

 

Isostatic graphite

Performance index of isostatic graphite materials for other industries.

grades bulk density resistivity thermal conductivity

Coefficient of thermal expansion

(room temperature - 600°C)

 Shore hardness flexural strength compressive strength modulus of elasticity Average particle size
g/cm3 μΩm W/m.k 10-6/℃ HSD Mpa Mpa Gpa μm
KYD-30 1.81  15~19 80 5.8 80 43 130 7.5 12
KYX-70 1.85 12~16 105 4.7 55 50 105 10 8
KYX-60S 1.88 12~16 110 4.5 60 55 120 11 4
KYD-9 1.88-1.92 10~14 110 3.9 15 60 125 12 2

 

 

Reference table of physical and chemical indexes for different grades of isostatic moulding products
Moulded Products：★Best Selling Products
grades bulk density granularity resistivity thermal conductivity

Coefficient of thermal expansion

(room temperature - 600°C)

 Shore hardness flexural strength compressive strength modulus of elasticity porosity ash Ash purification Main areas of application
g/cm3 μm μΩm W/m.k 10-6/℃ HSD Mpa Mpa Gpa % PPM PPM
KYM-2 1.50 11~13 12~15 80 6.2 30 15 32 6 22 500 50 Graphite bearing granules, rotors, wipers
KYM-2 1.68 11~13 9~13 95 5.7 35 20 45 8 18 500 50 Furniture and general yard crucibles
★KYM-5 1.80 11~13 8~10 125 4.9 48 35 70 9.5 13 500 50

sintering

electric spark
13~16

 

 

Pre-pressure products:★Best-selling products
grades bulk density granularity resistivity thermal conductivity

Coefficient of thermal expansion

(room temperature - 600°C)

 Shore hardness flexural strength compressive strength modulus of elasticity porosity ash Ash purification Main areas of application
g/cm3 μm μΩm W/m.k 10-6/℃ HSD Mpa Mpa Gpa % PPM PPM
★KY-7 1.76 8~10 12~16 90 5.2 40 35 60 9 18 500 50 electric spark, special purpose graphite
KY-70 1.80 2~4 12~16 95 4.7 45 40 80 10 12 500 50
KY-70S 1.85 2~4 12~16 100 4.2 55 50 105 11 11 500 50

 

 

Isostatic Pressure Products：★Best Selling Products
grades bulk density granularity resistivity thermal conductivity

Coefficient of thermal expansion

(room temperature - 600°C)

 Shore hardness flexural strength compressive strength modulus of elasticity porosity ash Ash purification Main areas of application
g/cm3 μm μΩm W/m.k 10-6/℃ HSD Mpa Mpa Gpa % PPM PPM
KYD-4 1.72 25 10~13 100 5 40 30 65 9.2 17 500 50 Vacuum furnace, sintering
★KYD-6 1.81 11~13 11~14 120 4.5 60 45 90 10.5 12 500 50 Photovoltaic, vacuum furnace
KYD-8 1.84 6 10~14 110 4 72 55 120 12 12 500 50 electric spark, gold melting crucibles
★KYD-9 1.88~1.92 2-4 10~14 110 3.9 75 60 125 12 10 500 50 electric spark, gold melting crucibles
KYD-30 1.81 11~13 15~19 80 5.8 80 43 130 7.5 12 500 50 electric spark, super hard graphite

Note:1.Product performance is the index of product centre position; 2.Porosity is the sum of open and closed porosity; 3.The above values are representative characteristics, not guaranteed values;

Updated:10th July 2019