現(xiàn)保送帶產(chǎn)業(yè)中，契合食品級的保送帶材質(zhì)有PU（聚氨酯）、PE（聚乙烯）、PVC、SIR(硅橡膠)、PTFE（特氟龍）幾種。
In the present delivery belt industry, the food-grade delivery belt materials are PU (polyurethane), PE (polyethylene), PVC, SIR (silicone rubber), PTFE (Teflon).
PU（聚氨酯）：通式 -[-O-CONH-]n-
PU (polyurethane): general formula - [-O-CONH-]n-
聚氨酯是聚氨基甲酸酯的簡稱，是指主鏈上含有反復(fù)聚氨甲酸酯基團(tuán)的大分子化合物統(tǒng)稱，具有耐磨耐溫、無污染、無味、抗多種酸堿（PH值在5-9之間）和有機(jī)溶劑的腐蝕。
Polyurethane is the abbreviation of polyurethane, which refers to the macromolecule compounds containing repeated polyurethane groups in the main chain. It has the characteristics of wear resistance, temperature resistance, pollution-free, non-toxic and odorless, anti-corrosion of various acids and bases (PH value between 5-9) and organic solvents.
PU食品級保送帶，運用聚氨酯作為原資料，具有橫向穩(wěn)定性的聚酯織物作為承載骨架，契合FDA食品級規(guī)范，已在國際食操行業(yè)通用。
PU food-grade delivery belt, using polyurethane as raw material, polyester fabric with transverse stability as load-bearing skeleton, conforms to FDA food-grade specifications, has been widely used in the international food and gymnastics industry.
PE（聚烯氫）：通式nCH2=CH2→—[CH2—CH2]n—
PE (polyolefin hydrogen): general formula nCH2=CH2-[CH2-CH2]n-
聚烯氫是烯氫聚合而成的聚合物，具有穩(wěn)定的化學(xué)性能，室溫下可耐多種化學(xué)物質(zhì)的腐蝕（除硝酸、硫酸外），無味，運用溫度在-70℃~+150℃。
Polyolefin hydrogen is a polymer synthesized from olefin hydrogen. It has stable chemical properties. It can resist the corrosion of many chemical substances (except nitric acid and sulfuric acid) at room temperature. It is non-toxic and tasteless, and its application temperature is - 70 ~150 ~C.
PE食品級保送帶，運用聚烯氫作為原資料，具有橫向穩(wěn)定性的滌綸短纖織物作為承載骨架，契合FDA食品級規(guī)范，高溫熄滅，合適煙草行業(yè)和食操行業(yè)的保送。
PE food-grade delivery belt, using polyolefin hydrogen as raw material, polyester staple fabric with transverse stability as load-bearing framework, conforms to FDA food-grade specifications, high temperature extinguishing non-toxic, suitable for tobacco industry and food and gymnastics industry delivery.
PVC（聚氯乙烯）：通式[ ―CH2 ―CHCl― ]n
PVC (polyvinyl chloride): General formula [- CH2 - CHCl - n]
聚氯乙烯是氯乙烯的聚合物，具有穩(wěn)定的物理化學(xué)性質(zhì)，能耐多種酸堿。
Polyvinyl chloride (PVC) is a polymer of vinyl chloride, which has stable physical and chemical properties and can resist various acids and bases.
PVC食品級保送帶，運用聚氯乙烯作為原資料，具有橫向穩(wěn)定性的聚酯織物作為承載骨架，契合衛(wèi)生指標(biāo)，具有無味、不易變形、輕巧耐用等特性。
PVC food-grade delivery belt uses polyvinyl chloride as raw material, polyester fabric with transverse stability as load-bearing skeleton, conforms to health indicators, and has the characteristics of non-toxic, odorless, non-deformable, lightweight and durable.
SIR（硅橡膠）：通式xSiO2·yH2O
SIR (Silicone Rubber): General xSiO 2.yH 2
硅橡膠是由二甲基硅氧烷與其他有機(jī)硅單體聚合而成的線型高分子彈性體，具有很好的耐熱性，外表具有防粘作用。
Silicone rubber is a linear polymer elastomer which is polymerized by dimethylsiloxane and other organosilicon monomers. It has good heat resistance and anti-sticking effect.
SIR食品級保送帶，無味，外表霎時耐溫可達(dá)-100℃~+250℃，可保送粘性大的面團(tuán)、果糖、巧克力醬等。
SIR food-grade delivery belt, non-toxic and tasteless, instant appearance temperature resistance up to - 100 ~250 C, can deliver sticky dough, fructose, chocolate sauce and so on.
PTFE（特氟龍）：通式：(C2F4)n
PTFE (Teflon): General formula: (C2F4) n
特氟龍，商標(biāo)名Teflon?，依據(jù)音譯又稱為特氟龍、鐵氟龍、鐵富龍、特富龍、特氟隆等，外表具有抗酸堿、耐高溫（-70℃~+260℃）、抗?jié)裥?、耐磨損等特性。
Teflon, the trademark Teflon?, according to transliteration also known as Teflon, Teflon, Teflon, Teflon, Teflon, Teflon, Teflon, etc., has the appearance of acid and alkali resistance, high temperature (-70 ~260 C), moisture resistance, wear resistance and other characteristics.
PTFE食品級保送帶采用進(jìn)口玻璃纖維為編織資料，停止平紋編織或特殊編織成玻纖布基材，再采用共同的工藝技術(shù)、充沛浸泡、浸漬、涂覆進(jìn)口特氟龍樹脂，消費各種厚度多種超寬的特氟龍耐高溫漆布。
PTFE food-grade delivery belt uses high-quality imported glass fiber as weaving material, stops plain weaving or special weaving into high-grade glass fiber cloth base material, and then uses common technology, abundant soaking, impregnation and coating of imported Teflon resin, consuming a variety of ultra-wide Teflon high-temperature resistant lacquer cloth of various thicknesses.
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