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Purchase list:
| juhyung.lee | QuoteMore ∨ | ||||
|---|---|---|---|---|---|
| CAS No. | Product | Purity | Quantity | Destination Port | Other |
| [Al, Ag, Al2O3, Al(OH)3] | 2/Metric Ton#Metric Ton#USD | Korea | [DELLKO Corporation in Korea]Dear Sir/Madam,Good afternoon. I’m JuHyung Lee, Sales director at DELLKO Corporation.I am responsible for business development in Korea. Especially, focused on the thermal conductivity market for EV battery system, OBC etc.We are looking for Ag and Al powder as follows1. Inquiries & requests [Al, Ag, Al2O3, Al(OH)3]1) Silver powder (Spherical type) A. Size : D50 = around 20um, Max cut : around 30um B. Surface treatment : Without silane C. Purity : over than 99% or 99.9% D. Fine spherical shape E. QTY : 50g- 1st test (Check for Curing Inhibition) : 50g (Mix Silicon 10% + Powder 90% and curie @ T=150 ℃, over than 2hours)- 2nd test (Check if the max size can be maintained during pressing) : 100g- 3rd test (DV) : 1kg* Contamination needs to be control during production and shipping2) Silver powder (Flake type) A. Size : D50 = around 20um, Max cut : around 30um ~ 40umB. Surface treatment : Without silane C. Purity : over than 99%D. QTY : 50g- 1st test (Check for Curing Inhibition) : 50g (Mix Silicon 10% + Powder 90% and curie @ T=150 ℃, over than 2hours)- 2nd test (Check if the max size can be maintained during pressing) : 100g- 3rd test (DV) : 1kg* Inhibit material for all silver powder : Sulfur, Phosphorus, Amine, Tin* Contamination needs to be control during production and shipping** For Silver powderCuring inhibition and sedimentation If you have any experience with these kind of issues. Please give me sincere advice for the mechanisms and solutions.Also, let me know what we need to ask them and what kind of information we need more to solve these issues with your experience and know-how.3) Aluminum powder (Spherical type)A. Size : D50: 30±5?, D90: 50? (target Bonding Layer Thickness BLT : 60um)B. Surface treatment : Without silane and with silane (both types for feasibility test)C. Purity : over than 90% ~D. Qty. : 2kg* Sub filer : Zinc Oxide, Target TC : 6w/mk, Target Application : Mobile phone TIM4) Alumina powder (Spherical type Al2O3)A. Size : D50 = around 40um~70um [Target product : 2W/mK potting silicone]B. Surface treatment : Without surface treatment C. Purity : around 99% [could be lower than 99%]D. Inhibit foreign material : sulfur containing materials, plasticizers, urethanes, amine containing materials and organometallic compoundsE. Specially we need to control NaO2 : Target typical value is around 100ppm - We need to secure storage stability, NaO2 makes bad effect on storage stability.F. The best available schedule for purchasing G. Quotation for 2kg sample [feasibility test]5) Al(OH)3 powderA. Size : Max cut = around 50um B) Surface treatment : With surface treatment [Vinyl Silane]C) Purity : over than 99% D) Inhibit foreign material : sulfur containing materials, plasticizers, urethanes, amine containing materials and organometallic compoundsE) Specially we need to control impurities : The impurity content of the ionic component should be low.F) The best available schedule for purchasing G Quotation for 2kg sample [feasibility test]H) Target product : 2W/mK Adhesive silicone in Automotive field. Hyundai, KIA etc. Volume : customer forecast around 20ton/year @ 2021*** For All powdersCould you please send TDS(Technical Data Sheet), PSD and SEM [Previously supplied products] to check feasibility with customer.Looking forward to hearing from you soonThank you.Best regards. |
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