Alumina with High Thermal Conductivity for Epoxy Potting Glue

• CAS No.: 1344-28-1
• Formula: Al2O3
• EINECS: 215-691-6
• Classification: Alumina
• Grade Standard: Industrial Grade
• Kind: Amphoteric Oxide
• Model NO.: A-SP-5
• Quality: Special Class
• Molecular Weight: 101.96
• True Density: 3.97 g/cm3
• Electrical Conductivity: Nonconductive at Normal Temperature
• Transport Package: 25kg/PP Woven Bag, 1t/Jumbo Bag
• Specification: 99.3%min
• Trademark: Aotai
• Origin: China
• HS Code: 2818200000
• Production Capacity: 30000tons/Year

Product Description

High thermal conductivity  alumina as filler
Overview: The product has spherical, near spherical and angular dense crystal structure, which has good dispersion, good interface compatibility with organic polymer materials, it can meet the requirements of high filling ;The product has narrow particle size distribution, high chemical purity, good thermal conductivity and insulation performance.

Application: the products are mainly used in silicone-based and epoxy-based polymer materials, the main application are epoxy potting glue, thermal double-sided tape, thermal plastic, electronic encapsulation, etc., which can replace the imported similar products .

Item	Brand Name		A-SP-5	A-SP-20		A-SP-45		A-SP-70		A-SP-90
Composition	SiO2 (%) ≤		0.05	0.05		0.05		0.05		0.05
	Fe2O3 (%) ≤		0.03	0.03		0.03		0.03		0.03
	Na2O (%) ≤		0.05	0.05		0.05		0.04		0.04
	Adsorbed water(%)≤		0.05	0.05		0.05		0.05		0.05
Physical properties	Partical Size(μm)		5~6	18~22		45~50		70~80		90~110
	α-Alumina(%)≥		30	40		50		60		70
	SBET(m2/g) ≤		1	0.8		0.5		0.3		0.3
	PH		7.0-9.0	7.0-9.0		7.0-9.0		7.0-9.0		7.0-9.0
	Electrical Conductivity(μs/cm)≤		70	70		70		70		70

 

 For your Application, you can choose from one of our many standard materials, or work with our responsive sales and research and development teams to customize a material that meets your needs.
 

 

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Packaging & Shipping

FAQ

FAQ
Q: Are you factory?
A: Yes, we are factory.
Q: How is your quality?
A: We have top grade production equipment and precision measuring instruments and we also  have engineers and technicians carry out quality control.
Q: Can you supply free samples?
A: 1kgs free sample is available, but freight charges will be at your account, The charges will be  return to you or deduct from your order in the future.
Q: What about the payment?
     100% T/T in advance, 30% T/T in advance, the balance 70% against the B/L copy, Irrevocable L/C at sight
Q: The MOQ is?
A: MOQ is usually 1 ton, special products can be coordinuted with each other.
Q: Can I visit your factory?
A: Yes, we welcome you to visit our factory at anytime
Q: How about your delivery time?
A: Usually the shipment is within 15 days after confirming receipt of your payment, some products maybe need longer time.