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MARNEX™ AH438 by Macroocean is a high molecular weight, saturated branched polyester resin. It shows excellent adhesive strength to metal, plastic, steel and PET or PVC films. This grade possesses high acid value, heat resistance and good solubility & dispersibility for pigment. And better toughness is available while using with high Tg types of resin, such as MARNEX™ AH651 and MARNEX™ AH750. It can be dissolved in ketone, ether or esters type of solvents, such as isophorone, acetone, MEK, CYC, DBE & EA. And, it is usually dissolved with aromatic solvents, such as 100# & 150#. It is used for screen printing inks. The shelf life of MARNEX™ AH438 is 24 months.
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MARNEX™ AH438 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Glass Transition Temperature (Tg) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hydroxyl Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Molecular Weight, Mw | 0.0 Visible After Login | Visible After Login | Visible After Login |