Halogen free flame retardant cable sheath material and manufacturing method thereof
A flame retardant cable and sheath material technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of increasing product production costs, prolonging product production time, restricting the promotion and use of halogen-free flame retardant cable materials, and achieving good mechanical properties. performance, the effect of improving the flame retardant performance
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Example Embodiment
[0023] Example 1
[0024] Sequentially put EVA and EVA-g-MAH; inorganic flame retardant; ZnB, Znst, EBS, antioxidant 1010, dispersing oil and other additives and other ingredients, according to the following components (mass parts) into 1500-2200 rpm In a mixer per minute, stir at room temperature for 1 to 2 minutes at a low speed, mix well, add to a twin-screw extruder for mixing at 140°C to 170°C, and then granulate.
[0025] 80 copies of EVA;
[0026] 20 parts of EVA-g-MAH;
[0027] 170 parts of inorganic flame retardant;
[0028] 10 parts of ZnB;
[0029] 3 parts of Znst;
[0030] 1 copy of EBS;
[0031] Antioxidant 1010 1.5 parts;
[0032] 1 part of dispersed oil;
[0033] 6.5 parts of other additives.
Example Embodiment
[0034] Example 2
[0035] Sequentially put EVA and EVA-g-MAH; inorganic flame retardant; ZnB, Znst, EBS, antioxidant 1010, dispersing oil and other additives and other ingredients, according to the following components (mass parts) into 1500-2200 rpm In a mixer per minute, stir at room temperature for 1 to 2 minutes at a low speed, mix well, add to a twin-screw extruder for mixing at 140°C to 170°C, and then granulate.
[0036] 85 copies of EVA;
[0037] 15 parts of EVA-g-MAH;
[0038] 170 parts of inorganic flame retardant;
[0039] 10 parts of ZnB;
[0040] 3 parts of Znst;
[0041] 1 copy of EBS;
[0042] Antioxidant 1010 1.5 parts;
[0043] 1 part of dispersed oil;
[0044] 6 parts of other additives.
Example Embodiment
[0045] Example 3
[0046] Sequentially put EVA and EVA-g-MAH; inorganic flame retardant; ZnB, Znst, EBS, antioxidant 1010, dispersing oil and other additives and other ingredients, according to the following components (mass parts) into 1500-2200 rpm In a mixer per minute, stir at room temperature for 1 to 2 minutes at a low speed, mix well, add to a twin-screw extruder for mixing at 140°C to 170°C, and then granulate.
[0047] 90 copies of EVA;
[0048] 10 parts of EVA-g-MAH;
[0049] 160 parts of inorganic flame retardant;
[0050] 10 parts of ZnB;
[0051] 3 parts of Znst;
[0052] 1 copy of EBS;
[0053] Antioxidant 1010 1.5 parts;
[0054] 1 part of dispersed oil;
[0055] 7 parts of other additives.
PUM

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