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Industry News

Solvent and ratio of ink resin

2021-06-08
1)Co-solvent type polyamide resin
Recommend solvent:  Toluene: IPA=1:1
40% resin: 60% solvent

2)  Alcohol Soluble Polyamide Resin
Recommend solvent: IPA and Ethyl Alcohol
(Customer could adjust the ratio according to their formula. No recommend ratio, as different user will adjust the ratio according to their request about the ink dry speed, compatibility with other resin and pigment, cost, etc. reason. )
40% resin: 60% solvent

We checked with some ink manufacturers and were told that they don’t heat it when produce ink, only stir to dissolve the resin, normally, take around 2-3 hours.

4)VAH
As we checked that different user use the solvent and ratio is not same, we got several formular for your reference as below:
India Customer use TOLUENEN: MEK=50:50, 20% VAH: 80% solvent.
China Customer use MIBK:MEK:TOL=35:15:25, 25% VAH: 75% Solvent
China Customer2 use EA:NPAV=40:40, 20% VAH: 80% Solvent

5) Maleic Resin
Recommend solvent: IPA+Ethyl Alcohol
(No recommend ratio, as different user will adjust the ratio according to their request about the ink dry speed, compatibility with other resin and pigment, cost, etc reason.)
65% Maleic Resin: 35% Solvent

6) CPP
Solvent: 100% Toluene
20% CPP: 80% Toluene

7 ) CMP45
Solvent: 100% Toluene or 100% dimethylbenzene (Most of factory use dimethyl benzene as the cost is much low)

20% CMP45: 80% solvent


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