Thermal Alumina CAS No. 1344-28-1 for Insulation Silicone Sheet

• 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: First 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: 99.6%min
• Trademark: Aotai
• Origin: China
• HS Code: 2818200000
• Production Capacity: 30000tons/Year

Product Description

The product has spherical,near spherical and angular compact crystal structure, good dispersion, good interface compatibility with organic polymer materials, It can meet the requirements of high filling amount;The product has narrow particle size distribution, high chemical purity, good thermal conductivity and insulation performance, and the product quality has been recognized by customers at home and abroad.
Application: the products are mainly used in silicone and epoxy polymer materials, the main application products such as thermal insulation silicone sheet (pad), thermal silicone grease, silicone oil and epoxy potting sealant, thermal double-sided tape, thermal plastic, electronic packaging, etc.,
 

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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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.