目前,國(guó)內(nèi)的食品包裝袋一般可分為單膜袋和復(fù)合薄膜包裝袋兩大類(lèi)。其主要執(zhí)行標(biāo)準(zhǔn)有:GB/T4456-1996《包裝用聚乙烯吹塑薄膜》、GB12025-1989《高密度聚乙烯吹塑薄膜》、QB/T2461-1999《包裝用降解聚乙烯薄膜》、GB9687-1988《食品包裝用聚乙烯成型品衛(wèi)生標(biāo)準(zhǔn)》、GB9688-1988《食品包裝用聚丙烯成型品衛(wèi)生標(biāo)準(zhǔn)》等。
食品包裝袋檢驗(yàn)項(xiàng)目 按照單膜袋和復(fù)合膜袋兩種不同的材質(zhì),需分別進(jìn)行不同的檢驗(yàn)項(xiàng)目。 單膜袋檢驗(yàn)項(xiàng)目主要分為三大類(lèi):一、外觀不得有對(duì)使用有礙的氣泡、穿孔、水紋、暴筋、塑化不良、魚(yú)眼僵塊等疵;二、規(guī)格、寬度、長(zhǎng)度、厚度偏差均應(yīng)有規(guī)定的范圍內(nèi);三、物理機(jī)械性能包括拉伸強(qiáng)度、斷裂伸長(zhǎng)率。 復(fù)合膜袋檢驗(yàn)項(xiàng)目主要分為四大類(lèi):一、外觀應(yīng)平整,無(wú)劃傷、燙傷、氣泡、破油和折皺,熱封平整、無(wú)虛封,薄膜不得有裂紋;二、孔隙和復(fù)合層分離。無(wú)雜質(zhì)、異物和油漬等污染;三、袋裝浸泡液,不得有異味、異臭、渾濁和脫色現(xiàn)象;四、包括拉伸強(qiáng)度、斷裂伸長(zhǎng)率,氣體透過(guò)量、耐油度指標(biāo)、耐熱、耐寒以及袋的封口剝離力、袋的耐壓和耐跌落性等指標(biāo)。http://news.fdc.com.cn/bbdt/41329585134900.shtml
http://news.fdc.com.cn/bbdt/46778095263956.shtml
http://news.fdc.com.cn/bbdt/897919233333762.shtml
http://news.fdc.com.cn/bbdt/89262386116034.shtml
http://news.fdc.com.cn/bbdt/91395763574019.shtml
http://news.fdc.com.cn/bbdt/41246260007828.shtml
http://news.fdc.com.cn/bbdt/91486684013993.shtml
http://news.fdc.com.cn/bbdt/43466368310312.shtml
http://news.fdc.com.cn/bbdt/43344879462048.shtml
http://news.fdc.com.cn/bbdt/43343914698140.shtml
http://news.fdc.com.cn/bbdt/43256575688116.shtml
http://news.fdc.com.cn/bbdt/91233091995670.shtml
http://news.fdc.com.cn/bbdt/43219922373291.shtml
http://news.fdc.com.cn/bbdt/596196116263023.shtml
http://news.fdc.com.cn/bbdt/91148837190715.shtml
http://news.fdc.com.cn/bbdt/617576981739654.shtml
http://news.fdc.com.cn/bbdt/44921236346718.shtml
http://news.fdc.com.cn/bbdt/91146492360785.shtml
http://news.fdc.com.cn/bbdt/41038637216238.shtml
http://news.fdc.com.cn/bbdt/40998283486523.shtml
http://news.fdc.com.cn/bbdt/41070620970519.shtml
http://news.fdc.com.cn/bbdt/40957615798516.shtml
http://news.fdc.com.cn/bbdt/42968494736293.shtml
http://news.fdc.com.cn/bbdt/600021856355247.shtml
http://news.fdc.com.cn/bbdt/90850084280692.shtml
http://news.fdc.com.cn/bbdt/40869003953459.shtml
http://news.fdc.com.cn/bbdt/42982309060925.shtml
http://news.fdc.com.cn/bbdt/42758360857093.shtml
http://news.fdc.com.cn/bbdt/90685474951009.shtml
http://news.fdc.com.cn/bbdt/88675222629751.shtml
http://news.fdc.com.cn/bbdt/621761583859000.shtml
http://news.fdc.com.cn/bbdt/584542131929795.shtml
http://news.fdc.com.cn/bbdt/42811378291127.shtml
http://news.fdc.com.cn/bbdt/42715353094532.shtml
http://news.fdc.com.cn/bbdt/90644171687156.shtml
http://news.fdc.com.cn/bbdt/602872242334230.shtml
http://news.fdc.com.cn/bbdt/88591004373876.shtml
http://news.fdc.com.cn/bbdt/42632417294921.shtml
http://news.fdc.com.cn/bbdt/90559796562467.shtml
http://news.fdc.com.cn/bbdt/88419504104459.shtml
http://news.fdc.com.cn/bbdt/604136656080155.shtml
http://news.fdc.com.cn/bbdt/623895734360683.shtml
http://news.fdc.com.cn/bbdt/42465285950123.shtml
http://news.fdc.com.cn/bbdt/625136209783422.shtml
http://news.fdc.com.cn/bbdt/605405224657905.shtml
http://news.fdc.com.cn/bbdt/42337450976838.shtml
http://news.fdc.com.cn/bbdt/90270889778484.shtml
http://news.fdc.com.cn/bbdt/90393725464655.shtml
http://news.fdc.com.cn/bbdt/42382801241573.shtml
http://news.fdc.com.cn/bbdt/625556230499414.shtml
http://news.fdc.com.cn/bbdt/606660048859221.shtml
http://news.fdc.com.cn/bbdt/606328742765133.shtml
http://news.fdc.com.cn/bbdt/607068883712055.shtml
http://news.fdc.com.cn/bbdt/607072995614759.shtml
http://news.fdc.com.cn/bbdt/42131193377010.shtml
http://news.fdc.com.cn/bbdt/42127826652432.shtml
http://news.fdc.com.cn/bbdt/90143764236656.shtml
http://news.fdc.com.cn/bbdt/91859003649629.shtml
http://news.fdc.com.cn/bbdt/90057504297194.shtml
http://news.fdc.com.cn/bbdt/89999809107072.shtml
http://news.fdc.com.cn/bbdt/89975141548225.shtml
http://news.fdc.com.cn/bbdt/38141114808952.shtml
http://news.fdc.com.cn/bbdt/88082458958637.shtml
http://news.fdc.com.cn/bbdt/41958626389508.shtml
http://news.fdc.com.cn/bbdt/88084678160815.shtml
http://news.fdc.com.cn/bbdt/91693584284458.shtml
http://news.fdc.com.cn/bbdt/87918227503448.shtml
http://news.fdc.com.cn/bbdt/89304950555635.shtml
http://news.fdc.com.cn/bbdt/43551269940195.shtml
http://news.fdc.com.cn/bbdt/41244587200274.shtml
http://news.fdc.com.cn/bbdt/41204871478766.shtml
http://news.fdc.com.cn/bbdt/89136550232216.shtml
http://news.fdc.com.cn/bbdt/631850542487411.shtml
http://news.fdc.com.cn/bbdt/87581547315383.shtml
http://news.fdc.com.cn/bbdt/39687903706276.shtml
http://news.fdc.com.cn/bbdt/87538312658173.shtml
http://news.fdc.com.cn/bbdt/39522036815830.shtml
http://news.fdc.com.cn/bbdt/87368740341358.shtml
http://news.fdc.com.cn/bbdt/598276434239370.shtml
http://news.fdc.com.cn/bbdt/39353285877998.shtml
http://news.fdc.com.cn/bbdt/87328457068359.shtml
http://news.fdc.com.cn/bbdt/620087373034894.shtml
http://news.fdc.com.cn/bbdt/40870052142157.shtml
http://news.fdc.com.cn/bbdt/88796202074636.shtml
http://news.fdc.com.cn/bbdt/621342121881344.shtml
http://news.fdc.com.cn/bbdt/87035229150411.shtml
http://news.fdc.com.cn/bbdt/38936659477261.shtml
http://news.fdc.com.cn/bbdt/38891384807767.shtml
http://news.fdc.com.cn/bbdt/622621023414727.shtml
http://news.fdc.com.cn/bbdt/40616126691095.shtml
http://news.fdc.com.cn/bbdt/88546628573677.shtml
http://news.fdc.com.cn/bbdt/40701387143894.shtml
http://news.fdc.com.cn/bbdt/90520013480185.shtml
http://news.fdc.com.cn/bbdt/40532464297018.shtml
http://news.fdc.com.cn/bbdt/88459555027445.shtml
http://news.fdc.com.cn/bbdt/40365964822147.shtml
http://news.fdc.com.cn/bbdt/624739800395966.shtml
http://news.fdc.com.cn/bbdt/40323131909089.shtml
http://news.fdc.com.cn/bbdt/86571961638474.shtml
http://news.fdc.com.cn/bbdt/86488305425501.shtml
http://news.fdc.com.cn/bbdt/85023846671843.shtml
http://news.fdc.com.cn/bbdt/38434190859666.shtml
http://news.fdc.com.cn/bbdt/659564796779587.shtml
http://news.fdc.com.cn/bbdt/626427765658642.shtml
http://news.fdc.com.cn/bbdt/645292363175113.shtml
http://news.fdc.com.cn/bbdt/40275338789556.shtml
http://news.fdc.com.cn/bbdt/626824477032631.shtml
http://news.fdc.com.cn/bbdt/88167877709754.shtml
http://news.fdc.com.cn/bbdt/88167754344704.shtml
http://news.fdc.com.cn/bbdt/627651060788992.shtml
http://news.fdc.com.cn/bbdt/40072044565705.shtml
http://news.fdc.com.cn/bbdt/40029871113209.shtml
http://news.fdc.com.cn/bbdt/36622009941937.shtml
http://news.fdc.com.cn/bbdt/86070247159507.shtml
http://news.fdc.com.cn/bbdt/630194526421096.shtml
http://news.fdc.com.cn/bbdt/39943173615564.shtml
http://news.fdc.com.cn/bbdt/87961427179659.shtml
http://news.fdc.com.cn/bbdt/649890222399972.shtml
http://news.fdc.com.cn/bbdt/39856616956567.shtml
http://news.fdc.com.cn/bbdt/87832214559124.shtml
http://news.fdc.com.cn/bbdt/650774788123813.shtml
http://news.fdc.com.cn/bbdt/650302989595259.shtml
http://news.fdc.com.cn/bbdt/87788078363322.shtml
http://news.fdc.com.cn/bbdt/87750094664803.shtml
http://news.fdc.com.cn/bbdt/87746430449064.shtml
http://news.fdc.com.cn/bbdt/633952030682618.shtml
http://news.fdc.com.cn/bbdt/39683905797079.shtml
http://news.fdc.com.cn/bbdt/652429135727873.shtml
http://news.fdc.com.cn/bbdt/667579060452746.shtml
http://news.fdc.com.cn/bbdt/36117749435969.shtml
http://news.fdc.com.cn/bbdt/634847861912738.shtml
http://news.fdc.com.cn/bbdt/37593405898799.shtml
http://news.fdc.com.cn/bbdt/36074408663790.shtml
http://news.fdc.com.cn/bbdt/84004831583356.shtml
http://news.fdc.com.cn/bbdt/85609102498573.shtml
http://news.fdc.com.cn/bbdt/39316268936771.shtml
http://news.fdc.com.cn/bbdt/87244068182703.shtml
http://news.fdc.com.cn/bbdt/636901736703642.shtml
http://news.fdc.com.cn/bbdt/87238851243550.shtml
http://news.fdc.com.cn/bbdt/39188535073098.shtml
http://news.fdc.com.cn/bbdt/87076239175371.shtml
http://news.fdc.com.cn/bbdt/87075427696875.shtml
http://news.fdc.com.cn/bbdt/87161565873512.shtml
http://news.fdc.com.cn/bbdt/639031461145896.shtml
http://news.fdc.com.cn/bbdt/654970086774066.shtml
http://news.fdc.com.cn/bbdt/38933746080609.shtml
http://news.fdc.com.cn/bbdt/638992231643584.shtml
http://news.fdc.com.cn/bbdt/38849383148342.shtml
http://news.fdc.com.cn/bbdt/38807715702007.shtml
http://news.fdc.com.cn/bbdt/641977931228250.shtml
http://news.fdc.com.cn/bbdt/642229569572149.shtml
http://news.fdc.com.cn/bbdt/38848101546333.shtml
http://news.fdc.com.cn/bbdt/38682986677817.shtml
http://news.fdc.com.cn/bbdt/86742386940324.shtml
http://news.fdc.com.cn/bbdt/643199949224070.shtml
http://news.fdc.com.cn/bbdt/604575248076190.shtml
http://news.fdc.com.cn/bbdt/38642367246914.shtml
http://news.fdc.com.cn/bbdt/38558114084405.shtml
http://news.fdc.com.cn/bbdt/36992437775635.shtml
http://news.fdc.com.cn/bbdt/645732087041831.shtml
http://news.fdc.com.cn/bbdt/646151840237145.shtml
http://news.fdc.com.cn/bbdt/646549649967651.shtml
http://news.fdc.com.cn/bbdt/38222698861098.shtml
http://news.fdc.com.cn/bbdt/38176522997575.shtml
http://news.fdc.com.cn/bbdt/646573387325374.shtml
http://news.fdc.com.cn/bbdt/647397477112925.shtml
http://news.fdc.com.cn/bbdt/86071524994863.shtml
http://news.fdc.com.cn/bbdt/649110857143287.shtml
http://news.fdc.com.cn/bbdt/648639533641472.shtml
http://news.fdc.com.cn/bbdt/85945285113838.shtml
http://news.fdc.com.cn/bbdt/663364700079548.shtml
http://news.fdc.com.cn/bbdt/36500493159440.shtml
http://news.fdc.com.cn/bbdt/40029210019973.shtml
http://news.fdc.com.cn/bbdt/704914372170665.shtml
http://news.fdc.com.cn/bbdt/36371704825763.shtml
http://news.fdc.com.cn/bbdt/80359107791840.shtml
http://news.fdc.com.cn/bbdt/705343893355993.shtml
http://news.fdc.com.cn/bbdt/37793337636751.shtml
http://news.fdc.com.cn/bbdt/651588525071794.shtml
http://news.fdc.com.cn/bbdt/85691597103751.shtml
http://news.fdc.com.cn/bbdt/39649719550182.shtml
http://news.fdc.com.cn/bbdt/85735428268249.shtml
http://news.fdc.com.cn/bbdt/706588235870817.shtml
http://news.fdc.com.cn/bbdt/87457422848567.shtml
http://news.fdc.com.cn/bbdt/84301674149220.shtml
http://news.fdc.com.cn/bbdt/597860687277142.shtml
http://news.fdc.com.cn/bbdt/653296732340014.shtml
http://news.fdc.com.cn/bbdt/669243336119916.shtml
http://news.fdc.com.cn/bbdt/87409500855730.shtml
http://news.fdc.com.cn/bbdt/654138619381101.shtml
http://news.fdc.com.cn/bbdt/37547844530927.shtml
http://news.fdc.com.cn/bbdt/37469652115133.shtml
http://news.fdc.com.cn/bbdt/654158459797556.shtml
http://news.fdc.com.cn/bbdt/35909963571265.shtml
http://news.fdc.com.cn/bbdt/670087871017988.shtml
http://news.fdc.com.cn/bbdt/37420471674480.shtml
http://news.fdc.com.cn/bbdt/83798959508810.shtml
http://news.fdc.com.cn/bbdt/669683928908011.shtml
http://news.fdc.com.cn/bbdt/85358175269683.shtml
http://news.fdc.com.cn/bbdt/83755476861614.shtml
http://news.fdc.com.cn/bbdt/672200728345208.shtml
http://news.fdc.com.cn/bbdt/712884983866956.shtml
http://news.fdc.com.cn/bbdt/31579160284244.shtml
http://news.fdc.com.cn/bbdt/85312126205170.shtml
http://news.fdc.com.cn/bbdt/655775401119632.shtml
http://news.fdc.com.cn/bbdt/656605127882309.shtml
http://news.fdc.com.cn/bbdt/673473928579199.shtml
http://news.fdc.com.cn/bbdt/656179696948687.shtml
http://news.fdc.com.cn/bbdt/85232050255461.shtml
http://news.fdc.com.cn/bbdt/37213230745916.shtml
http://news.fdc.com.cn/bbdt/35449201550814.shtml
http://news.fdc.com.cn/bbdt/37175135138794.shtml
http://news.fdc.com.cn/bbdt/85104424017796.shtml
http://news.fdc.com.cn/bbdt/35401172498325.shtml
http://news.fdc.com.cn/bbdt/658277103204040.shtml
http://news.fdc.com.cn/bbdt/658310347835519.shtml
http://news.fdc.com.cn/bbdt/36976969719396.shtml
http://news.fdc.com.cn/bbdt/86490547248315.shtml
http://news.fdc.com.cn/bbdt/84854167216523.shtml
http://news.fdc.com.cn/bbdt/84897389077164.shtml
http://news.fdc.com.cn/bbdt/677247428206998.shtml
摳http://news.fdc.com.cn/bbdt/36836806052722.shtmlhttp://news.fdc.com.cn/bbdt/38347767368478.shtml
http://news.fdc.com.cn/bbdt/660418685998569.shtml
http://news.fdc.com.cn/bbdt/83125049482270.shtml
http://news.fdc.com.cn/bbdt/36790437976536.shtml
http://news.fdc.com.cn/bbdt/36752900595248.shtml
http://news.fdc.com.cn/bbdt/662288122945470.shtml
http://news.fdc.com.cn/bbdt/35071541030818.shtml
http://news.fdc.com.cn/bbdt/83000357697292.shtml
http://news.fdc.com.cn/bbdt/84647210922824.shtml
http://news.fdc.com.cn/bbdt/662517289881645.shtml
http://news.fdc.com.cn/bbdt/80439562468243.shtml
http://news.fdc.com.cn/bbdt/84555213435285.shtml
http://news.fdc.com.cn/bbdt/704511262768863.shtml
http://news.fdc.com.cn/bbdt/78558048806638.shtml
http://news.fdc.com.cn/bbdt/84371006558893.shtml
http://news.fdc.com.cn/bbdt/36451643662081.shtml
http://news.fdc.com.cn/bbdt/665066736058577.shtml
http://news.fdc.com.cn/bbdt/650740277047826.shtml
http://news.fdc.com.cn/bbdt/84215460296476.shtml
http://news.fdc.com.cn/bbdt/666325771345303.shtml
http://news.fdc.com.cn/bbdt/84210163271702.shtml
http://news.fdc.com.cn/bbdt/667169167421053.shtml
http://news.fdc.com.cn/bbdt/36160595947715.shtml
http://news.fdc.com.cn/bbdt/37675728663719.shtml
http://news.fdc.com.cn/bbdt/32048530158612.shtml
http://news.fdc.com.cn/bbdt/78140732510841.shtml
http://news.fdc.com.cn/bbdt/35868453865699.shtml
http://news.fdc.com.cn/bbdt/79897155609443.shtml
http://news.fdc.com.cn/bbdt/35827686746431.shtml
http://news.fdc.com.cn/bbdt/710395287779776.shtml
http://news.fdc.com.cn/bbdt/712095285249048.shtml
http://news.fdc.com.cn/bbdt/83713881750078.shtml
http://news.fdc.com.cn/bbdt/671780811197068.shtml
http://news.fdc.com.cn/bbdt/35658214232115.shtml
http://news.fdc.com.cn/bbdt/672664058669196.shtml
http://news.fdc.com.cn/bbdt/83588316419252.shtml
http://news.fdc.com.cn/bbdt/31538841073567.shtml
http://news.fdc.com.cn/bbdt/83447924324659.shtml
http://news.fdc.com.cn/bbdt/715142281125953.shtml
http://news.fdc.com.cn/bbdt/83545339425728.shtml
http://news.fdc.com.cn/bbdt/31355655938732.shtml
http://news.fdc.com.cn/bbdt/31325338751761.shtml
http://news.fdc.com.cn/bbdt/35368340999708.shtml
http://news.fdc.com.cn/bbdt/715906255120288.shtml
http://news.fdc.com.cn/bbdt/35322575431013.shtml