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Structural formula:
MDA-100 is pure 4,4-Diaminodiphenylmethane(MDA) and contains at least 99.5% of 4,4'-MDA and few of 2,4'-MDA.It varies from white or yellowish crystal color at room temperature.It is an important chemical industry intermediate. It can be well used in producing MDI and HMDI, and also widely used in PI, PEI, epoxy resin hardener, bimale imide resin, chain extender of PU elastomer etc. The products synthesized with it have excellent properties of mechanics,electrical-insulation, heat-resisting, radiation-resisting and abrasion-resisting.
Package(s) Plastic lined paper bags, 25kg/bag, Paper barrels,
Flexible containers 450kg/bag or 500kg/bag or Customized.
- Products should be kept in dry,clean warehouse with well ventilation.
- Avoid exposing to light and heating for prevention from oxidation.
- Protect the product from leakage,rain and insolation during transportation.
Q: Are you trading company or manufacturer?
A: We are professional manufacturer specialized in chemical products. And we trade our products with our clients directly.
Q: How many packaging do you have?
A: We have 3 packages including HDPE bag, Jamboo bag, iron barrel currently.
Q:When can I get the price?
A: Usually we quot within 8 hours after we get your inquiry.
Q: What's your MOQ?
A: If we have the products in stock, it will be no MOQ. If we need to produce, we can discuss the MOQ according to customer's exact situation.
Q: Do you provide sample ? Is it free?
A: If the sample is low value, we will provide the free sample with freight collect. But for some high value samples, we need to collect the sample charge.
Q: Do you have the test and audit service?
A: Yes, we can assist to get the designated test report for product and the designated factory audit report.
http://www.yonghuicomposite.com/