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        Current Location: HOME >> Technical Guide
        Technical Guide

        M2000 hot melt coating resin for signs on road surface
        Properties:
        M2000 hot melt coating resin is based on BS-424 specialty resin for road coating, with adjusted composition of light stabilizing agents. It is effective in the absorption of light esp. UV light, as well as the quenching of hydroperoxide, active oxygen and free radicals. Road coating with M2000 resin in it has outstanding resistancy to aging and yellowing, is resistant to dirt, pressure and abrasion, has medium leveling property and dries fast.

        M2000 resin is a specially designed bonding agent for sign coating, suitable for asphaltic surface or cement surface.

        Technical specs:

        item
        spec
        appearance
        light yellow transparent hemispherical beads
        color number
        ≤4(FeCo)
        softening point
        100-110°C
        acid number
        ≤25mgKOH/g

        Reference formula:

        ingredient
        composition
        M2000 resin
        16
        R902 titanium pigment
        4
        dioctyl ester
        2
        -
        1
        quartz sand
        27
        triple superphosphate powder
        35
        glass beads
        15

        Comparison between coating made from M2000 (reference formula) and that from petroleum resin

        item
        coating from M2000 resin
        coating from C200H resin
        specific density
        1.9-2.2
        1.9-2.2
        softening point
        106°C
        102°C
        drying rate
        fast (less than 15min)
        fast (less than 15min)
        heat stability: whiteness, 200°C plate formation
        80.4
        78.9
        whiteness, 220°C plate formation
        80.2
        78
        whiteness, 240°C plate formation
        79
        75.6
        remark
        good heat stability; suitable for higher temperature jobs
        poor heat stability; limited in high temperature jobs
        aging property:
        coating whiteness before aging
        80.4
        78.9
        coating whiteness after 24H aging
        75.2
        73.8
        coating whiteness after 48H aging
        72.3
        71.3
        coating whiteness after 72H aging
        70.6
        69.7
        coating whiteness after 240H aging
        no crinkling; no powdering
        no crinkling; slight powdering
        ideal working temperature
        200±5°C
        190±5°C
        coating condition on the road
        no cracks; better resistancy to dirt
        slightly cracking; comparatively poor resistancy to dirt
        resistancy to abrasion
        good
        good
        resistancy to pressure
        good
        good
        leveling property
        free flow leveling area at 200°C for 200g coating: ca. 160cm2
        free flow leveling area at 200°C for 200g coating: ca. 170cm2

        Concluding remarks:
        The coating made from M2000 resin is comparable to or better than coating from C200H, except for the leveling property. To have the best coating and the best result out of M2000 resin, we suggest 0.5%-1% more dioctyl ester in the mix, 10-20°C higher in working temperature than what is used for C200H coating.

         
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