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DT300 special material of hot melt adhesive is produced by reactive extrusion, functionalized EVA and introduced high-active functional structure.Compared to common EVA hot melt,products acquired by using this material have higher bonding strength and more extensive application to substrates.
Performance indicators
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Performance
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Test method
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Unit
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DT300-1
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DT300-2
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DT300-3
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Appearance
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——
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——
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Light yellow particle
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Light yellow particle
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Light yellow particle
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Melt index
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GB/T3682-2000
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g/10min
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10~20
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30~50
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120~150
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Content of functional group
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Acid-soda titration
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%
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0.8~1.5
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0.8~1.5
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0.8~1.5
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Tensile strength
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GB/T1040-1992
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Mpa
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10~15
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5~8
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2~5
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Elongation at break
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GB/T1040-1992
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%
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600~900
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500~800
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200~400
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Typical application
Anticorrosion of pipelines. The melt could increase adhesion of colloid to epoxy resin、metal and polyethylene.
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Performance
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Unit
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Common EVA hot melt
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Modified EVA hot melt
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Peel strength(90℃peel,23℃）
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N/cm
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70
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150
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Shear strength(23℃）
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Mpa
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1.6
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2.5
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Packaging and storage
20kg/pocket
Packed by plastic film of plastic and paper compound bag lining
Under room temperature,keep dry and ventilation
Seal the remained part to avoid dampness
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