——PRODUCTS CENTER——


   General Properties


Molecular weight

78

Mohs hardness

3

Density g/cm3

2.4

Ratio of refraction

1.58



 Physical and Chemical Properties


Item                    Model

HJX-3G

HJM-7G

HJM-8G

HJM-10G

HJM-15G

HJM-20G

HJM-25G

HJM-50G

HJ-80G

Chemical constituent

Al(OH)3  [%]        ≥

99.5

99.5

99.5

99.5

99.5

99.5

99.5

99.5

99.5


Al2O3    [%]          ≥

64.5

64.5

64.5

64.5

64.5

64.5

64.5

64.5

64.5


SiO2     [%]        ≤

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02


Fe2O3    [%]       ≤

0.01

0.01

0.01

0.01

0.01

0.01

0.01

0.01

0.01


Na2O    [%]        ≤

0.30

0.30

0.30

0.30

0.30

0.30

0.30

0.30

0.30


Loss on ignition ≤

35.0

35.0

35.0

35.0

35.0

35.0

35.0

35.0

35.0


Attached water  ≤

0.4

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3


+325 mesh  325mesh≤

0.01

0.01

0.01

0.1

15

25

-

-

-


oil absorption  ≈

33

25

24

24

18

18

16

18

20

Mean particle diameter(D50) µ m≈   

3.5

7

8

10

15

20

25

50

80

Whiteness    [R457]         ≥

98

97

97

97

96

94

94

93

92

PH value                 ≈

9


   Product Applications


  • Solid Surface / Artificial Marble: Enhances whiteness and surface smoothness.

  • Premium Powder Coatings: Improves coating brightness and hiding power.

  • Electrical & Cable Compounds: Provides flame retardancy and low smoke.

  • Rubber & Silicone Products: Improves processing performance and surface whiteness.

  • Thermosetting Plastics (SMC/BMC): Enhances surface quality and flame resistance.

  • Adhesives & Sealants: Improves formulation stability and flowability.

  • Flame-Retardant Building Materials: Ensures fire safety and clean white appearance.

  • Key Advantages: High whiteness, low impurities, good dispersibility, flame-retardant and environmentally friendly.


   FAQS


Q: Does it support customized production?

A: Yes, particle size distribution, packaging and special indicators can be adjusted according to needs.


Q: How to pack and ship?

A: Moisture-proof woven bags or ton bags;Sea/air transportation, DDP, FOB, CIF and other trade terms are available.


Q: Can you provide samples?

A: Free samples of 1-2kg will be sent out within 3 working days.


Q: Do you guarantee safe and secure delivery of products?

A: Yes, we always use high quality export packaging. We also use specialized hazard packing for dangerous goods and validated cold storage shippers for temperature sensitive items. Specialist packaging and non-standard packing requirements may incur an additional charge.



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