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polypropylene melting spray special material
1. applicable models：pph-y1500 main features • excellent machining performance • the melt mass flow rate is stable • narrow molecular weight distribution main applications • melt blown non-woven fabric • masks, protective clothing, etc 2.property values properties units test standard test condition typical value melt flow rate g/10min gb/t 3682 230℃，2.16kg 1500 melting point ℃ gb/t 19466.3 10℃/min 163℃ density g/cm3 gb/t 1033.1 immersion method, room temperature 0.9 ash % gb/t 9345.1 850℃ 0.024 volatilc constitucnts % gb/t 2914 110℃ ＜0.2 note：the above data are all experimental typical values, true and reliable. they are only use as reference data and cannot be considered as the lower limit of material properties.
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electret masterbatch
technical indicators heat-resistance temperature：280℃characteristics of density：0.90±0.03g/cm3 melt index：≥500g/10min(230℃,2.16kg) 2. the product is a electret master granule with homo-polypropylene as the carrier, the purpose of electret is to make the melting spray layer in the mask non-woven 3. series of bfe：1.0-1.5% series of n95/n98/p1/p2：2.5-3.0% usage with the masterbatch feeding metering device. there are several kinds of charging power supply: filter air electrostatic field generation power supply, 5. the effect of electret is related to the polypropylene melting and spraying materials, production process, note: the above date are all typical experimental values and only use as reference data.
