Aluminium Hydroxide (ATH) CAS Np. 21645-51-2 Application in Epoxy Copper Clad Laminate

• CAS No.: 21645-51-2
• Formula: Al(Oh)3
• EINECS: 244-492-7
• Classification: Hydroxide
• Grade Standard: Industrial Grade
• Kind: Amphoteric Oxide
• Model NO.: AT-FR-8
• Quality: Special Class
• Appearance: White
• Al2O3: 99.3min
• Sio2: 0.1max
• Fe2o3: 0.04max
• Transport Package: PP Woven or Kraft Bag, 25kg/Bag, 1t/Jumbo Bag
• Specification: 99.6%
• Trademark: Aotai
• Origin: China
• HS Code: 2818300000
• Production Capacity: 30000tons/Year

Product Description

The flame-retardant mechanism of aluminum hydroxide is: it decomposes at 200-300ºC, and dehydration reaction occurs after decomposition, which absorbs a large amount of heat on the surface of polymer materials, which can reduce the surface temperature of burning materials; at the same time, dehydration produces a large amount of water vapor, which dilutes combustible gas and oxygen Concentration; Its decomposition residues Al2O3 are dense oxides, which are deposited on the surface of the material to limit the generation of combustible gas,so it can play the role of heat insulation and oxygen isolation and achieve the effect of suppressing smoke; And aluminum hydroxide can absorb acid gas . Aluminum hydroxide has a moderate price and is the most widely used  flame retardant filler.

Application of ATH in epoxy copper clad laminate
Epoxycopper clad laminate is a product made of wood pulp paper or fiberglass cloth as a reinforcing material, impregnated with epoxy resin, covered with copper foil on one or both sides, and hot pressed. Copper clad laminate is the basic material of the electronics industry, mainly used in the processing and manufacturing of printed circuit boards (PCB), which are widely used in electronic products such as televisions, radios, computers, and mobile communications tools. The main purpose of ATH in epoxy copper clad laminates is flame retardant, cost reduction, whitening, etc. Of course, as electronic products, its insulation performance is also more important. In addition, it also has certain requirements for heat resistance during processing and application.


Specification:

Model	Al(OH) 3 ≥	AL2O ≥	SiO3 ≤	Fe2O3 ≤	Na2O ≤	D50 (μm)	Oil Absorption Ml/100g≤	PH	Moisture %	Whiteness %
H-WF-1	99.6	64.5	0.05	0.02	0.25	1.5-1.8	37.5	8.5	0.25	99.2
H-WF-3	99.6	64.5	0.05	0.02	0.25	2.5-3.5	33.8	8.5	0.25	95
H-WF-5	99.6	65	0.03	0.02	0.25	4.965	33.6	8.5	0.25	95
H-WF-8	99.6	65	0.03	0.02	0.25	8.532	32	8	0.25	92/98
H-WF-10	99.7	65	0.03	0.02	0.25	9.684	29	8	0.25	92/96/98
H-WF-15	99.6	65	0.03	0.02	0.25	14.932	22	8	0.25	92/95/98
H-WF-20	99.7	65	0.03	0.02	0.25	19.731	21	8	0.25	90/95/98
H-WF-25	99.8	65	0.03	0.02	0.25	26.138	21	8	0.25	98
H-WF-75	99.8	65	0.02	0.02	0.25	74.654	20	7.5	0.25	97
H-WF-100	99.8	65	0.02	0.02	0.25	90.537	19	7.5	0.25	96

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 coordinated 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.