重防腐涂料耐中性盐雾性能的测定
1 范围
BENBIAOZHUNGUIDINGLEZHONGFANGFUTULIAOZAIZHONGXINGYANWUSHIYANSUOYONGDESHIYANRONGYE、YIQISHEBEI、SHIYANGDEZHIBEI、SHIYANBUZHOU、SHIYANHOUDEPINGDINGJISHIYANBAOGAO。
BENBIAOZHUNSHIYONGYUPINGJIAZHONGFANGFUTULIAOZAIZHONGXINGYANWUZHONGDENAIFUSHIXING。
2 规范性引用文件
XIALIEWENJIANDUIYUBENWENJIANDEYINGYONGSHIBIBUKESHAODE。FANSHIZHURIQIDEYINYONGWENJIAN，JINZHURIQIDEBANBENSHIYONGYUBENWENJIAN。FANSHIBUZHURIQIDEYINYONGWENJIAN，QIZUIXINBANBEN（BAOKUOSUOYOUDEXIUGAIDAN）SHIYONGYUBENWENJIAN。
GB/T 3186 SEQI、QINGQIHESEQIYUQINGQIYONGYUANCAILIAO QUYANG
GB/T 5210—2006 SEQIHEQINGQI LAKAIFAFUZHELISHIYAN
GB/T 6682—2008 FENXISHIYANSHIYONGSHUIGUIGEHESHIYANFANGFA
GB/T 8923.1—2011 TUFUTULIAOQIANGANGCAIBIAOMIANCHULI BIAOMIANQINGJIEDUDEMUSHIPINGDING DI1BUFEN：WEITUFUGUODEGANGCAIBIAOMIANHEQUANMIANQINGCHUYUANYOUTUCENGHOUDEGANGCAIBIAOMIANDEXIUSHIDENGJIHECHULIDENGJI
GB/T 9271 SEQIHEQINGQI BIAOZHUNSHIBAN
GB/T 9278—2008 TULIAOSHIYANGZHUANGTAIDIAOJIEHESHIYANDEWENSHIDU
GB/T 9286 SEQIHEQINGQI QIMODEHUAGESHIYAN
GB/T 13288.1—2008 TUFUTULIAOQIANGANGCAIBIAOMIANCHULI PENSHEQINGLIHOUDEGANGCAIBIAOMIANCUCAODUTEXING DI1BUFEN：YONGYUPINGDINGPENSHEQINGLIHOUGANGCAIBIAOMIANCUCAODUDEISOBIAOMIANCUCAODUBIJIAOYANGKUAIDEJISHUYAOQIUHEDINGYI
GB/T 13452.2 SEQIHEQINGQI QIMOHOUDUDECEDING
GB/T 30789.1 SEQIHEQINGQI TUCENGLAOHUADEPINGJIA QUEXIANDESHULIANGHEDAXIAOYIJIWAIGUANJUNYUNBIANHUACHENGDUDEBIAOSHI DI1BUFEN：ZONGZEHEBIAOSHITIXI（GB/T 30789.1—2015，eqv ISO 4628—1—2003，Paints and varnishes； Evaluation of degradation of paint coatings；Designation of intensity，quantity and size of common types of defect-Part 1：General introduction and designation system）
GB/T 30789.2 SEQIHEQINGQI TUCENGLAOHUADEPINGJIA QUEXIANDESHULIANGHEDAXIAOYIJIWAIGUANJUNYUNBIANHUACHENGDUDEBIAOSHI DI2BUFEN：QIPAODENGJIDEPINGDING（GB/T 30789.2—2014，eqv ISO 4628—2—2003，Paints and varnishes； Evaluation of degradation of paint coatings；Designation of quantity and size of defects；and of intensity of uniform changes in appearance-Part 2 ：Assessment of degree of blistering）
GB/T 30789.3 SEQIHEQINGQI TUCENGLAOHUADEPINGJIA QUEXIANDESHULIANGHEDAXIAOYIJIWAIGUANJUNYUNBIANHUACHENGDUDEBIAOSHI DI3BUFEN：SHENGXIUDENGJIDEPINGDING（GB/T 30789.3—2014，eqv ISO 4628—3—2003，Paints and varnishes； Evaluation of degradation of paint coatings；Designation of quantity and size of defects；and of intensity of uniform changes in appearance-Part 3 : Assessment of degree of rusting）
GB/T 30789.4 SEQIHEQINGQI TUCENGLAOHUADEPINGJIA QUEXIANDESHULIANGHEDAXIAOYIJIWAIGUANJUNYUNBIANHUACHENGDUDEBIAOSHI DI4BUFEN：KAILIEDENGJIDEPINGDING（GB/T 30789.4—2014，eqv ISO 4628—4—2003，Paints and varnishes； Evaluation of degradation of paint coatings；Designation of quantity and size of defects;and of intensity of uniform changes in appearance-Part 4 : Assessment of degree of cracking）
GB/T 30789.5 SEQIHEQINGQI TUCENGLAOHUADEPINGJIA QUEXIANDESHULIANGHEDAXIAOYIJIWAIGUANJUNYUNBIANHUACHENGDUDEBIAOSHI DI5BUFEN：BOLUODENGJIDEPINGDING（GB/T 30789.5—2015，eqv ISO 4628—5—2003，Paints and varnishes； Evaluation of degradation of paint coatings；Designation of quantity and size of defects;and of intensity of uniform changes in appearance-Part 5：Assessment of degree of flaking）
3 方法简述
JIANGSHIYANGBAOLUYUZHONGXINGYANWUHUANJINGZHONG，ZAIREKONGQIHEYANRONGYEDEZUOYONGXIA，JINGGUOGUIDINGDESHIJIAN，YONGYOUGUANGEFANGYUXIANYUEDINGDEYUANZEHUOBIAOZHUNPINGDINGYANWUBAOLUDEJIEGUO。
4 试验材料及试剂
4.1 LVHUANA：HUAXUECHUNHUOFENXICHUN；
4.2 YANSUAN：HUAXUECHUNHUOFENXICHUN；
4.3 QINGYANGHUANA：HUAXUECHUNHUOFENXICHUN；
4.4 SHUI：FUHEGB/T 6682—2008YAOQIUDESANJISHUI。
5 试验溶液
5.1 RONGYEDEPEIZHI
JIANGLVHUANA（4.1）RONGYUSHUI（4.4）ZHONG，PEIZHINONGDUWEI（50±5）g/LDELVHUANARONGYE。SUOSHOUJIDEPENWUYENONGDUYINGWEI（50±5）g/L。
5.2 DIAOJIEpHZHI
5.2.1 YANRONGYEDEpHZHI
WENDUWEI（35±2）℃SHI，RONGYEDEpHZHIYINGWEI6.0～7.2。ZAISHIYANGUOCHENGZHONG，pHZHIYINGWEICHIZAIGAIFANWEINEI。ZAIBAOZHENGLVHUANANONGDUDEQIANTIXIA，KEJIARUYANSUAN（4.2）HUOQINGYANGHUANA（4.3）LAIJINXINGDIAOJIE。
5.2.2 PENWURONGYEDEpHZHI
SHIYANGUOCHENGZHONGSHOUJIDAODEPENWUYE，ZAIWENDUWEI（35±2）℃SHI， pHZHIYINGWEI6.5～7.2。
5.3 GUOLV
ZAISHIYONGQIANYINGDUIRONGYEJINXINGGUOLV，YIBIMIANRONGYEZHONGDEGUTIWUZHIDUSAIPENZUI。
6 仪器设备
6.1 YANWUSHIYANXIANG
YONGYUZHIZUOYANWUXIANGDECAILIAOYINGKANGYANWUFUSHIQIEBUYINGXIANGSHIYANJIEGUO。
6.1.2 XIANGTIRONGJIBUXIAOYU0.4m3，NENGTIGONGWENDINGDE、JUNYIDESHIYANTIAOJIAN（BUSHOUTUANLIUDEYINGXIANG），QIEZAISHIYANGUOCHENGZHONGZHEIXIETIAOJIANBUSHOUSHIYANGDEYINGXIANG。
6.1.3 YINGBIMIANSHIYANSHIJUJIZAIXIANGTIDINGBUDEYEDILUODAOSHIYANGSHANG。
6.1.4 XIANGNEIWENDUKEKONGZHIZAI（35±2）℃FANWEINEI。WENDUCELIANGYUANJIANJUXIANGNEIBIDEJULIYINGBUXIAOYU100mm，BINGNENGGOUZAIXIANGWAIDUSHU。
6.1.5 XIANGNEIYINGPAIQILIANGHAOYIFANGZHIYALISHENGGAO，QUEBAOYANWUFENBUJUNYUN。PAIQIKONGMODUANYINGJINXINGFENGFANGHU，YIBIMIANYINQISHIYANXIANGNEICHANSHENGJIAOQIANGDEQILIU。
6.2 PENWUZHUANGZHI
6.2.1 PENWUQIYUAN
6.2.1.1 JINRUPENWUZHUANGZHIDEYASUOKONGQIYINGJINGGUOGUOLVQICHULI，QUEBAOBUHANRENHEYOU、HUICHEN、ZAZHIDENG；
6.2.1.2 PENWUYALIYINGKONGZHIZAI（83～124）kPa；
6.2.1.3 JIANGJINGGUOLVQIJINGHUADEYASUOKONGQIDAORUZHUANGYOUSHUI（4.4）DEBAOHETANEISHIHUAHOU（BAOHETASHUIWENLVEGAOYUYANWUXIANGSHIYANWENDU），ZAIJINRUPENWUQI；
6.2.1.4 ZAI35℃CESHITIAOJIANXIA，BAOHETARESHUIWENDUHEKONGQIYALIDEGUANXIRUBIAO1SUOSHI。
BIAO1BAOHETAZHONGRESHUIWENDUDEZHIDAOZHI
|
KONGQIYALI/kPa |
WENDU/℃ |
|
83 |
46 |
|
96 |
47 |
|
110 |
48 |
|
124 |
49 |
6.2.2 YANSHUICAO
SHENGFANGRONGYEDESHUICAOYINGYOUNAIYANSHUIRONGYEFUSHIDECAILIAOZHICHENG，BINGSHEYOUBAOCHICAONEIHENGDINGYEWEIGAODUDEZHUANGZHI。
6.2.3 PENZUI
PENZUIYINGYOUDUOXINGCAILIAOZHIZAOQIEBUNENGGOUYUYANRONGYEFASHENGFANYING，RUBOLIHUOSULIAO。PENZUIDESHEJIHEZUCHENGYINGNENGGOUCHANSHENGXIXIAO、RUNSHI、NONGMIDEWU。
6.3 YANWUSHOUJIQI
XIANGNEIYINGZHISHAOFANGZHILIANGGEYANWUSHOUJIQI，YIGEKAOJINPENZUI，YIGEYUANLIPENZUI。SHOUJIQIFANGZHIDEWEIZHIYINGBUSHOUSHIYANGDEZHEDANG。SHOUJIQIYONGBOLIHUOSULIAODENGDUOXINGCAILIAOZHICHENGLOUDOUXINGZHUANG，ZHIJINGWEI10cm，SHOUJIMIANJIWEI80cm2，LIANXUPENWUZHISHAO24hDEWUHUACHENJIRONGYE，MEIXIAOSHISHOUJILIANGYINGWEI1.0mL～2.0mL。LOUDOUGUANCHARUDAIYOUKEDUDERONGQIZHONG，YAOQIUSHOUJIDESHIYANWU，ERBUSHICONGSHIYANGHUOQITABUWEIDIXIADEYETI。
6.4 SHIYANGZHIJIA
6.4.1 BEICESHIBIAOMIANBUYINGSHOUDAOYANWUDEZHIJIEPENSHE。
6.4.2 ZAIYANWUXIANGZHONG，SHIYANGBEICESHIBIAOMIANYUCHUIZHIFANGXIANGCHENG15°～25°，BINGJINKENENGCHENG20°，BIMIANZAISHIYANGBIAOMIANCHANSHENGJIYE。
6.4.3 SHIYANGKEYIFANGZHIZAIXIANGNEIBUTONGSHUIPINGMIANSHANG，DANBUNENGJIECHUXIANGTI，YEBUYINGZHONGDIEHUOXIANGHUJIECHU。SHIYANGZHIJIANDEJULIYINGBUYINGXIANGYANWUZIYOUJIANGLUOZAIBEICESHIBIAOMIANSHANG，SHIYANGHUOQIZHIJIASHANGDEYEDIBUYINGLUOZAIQITASHIYANGSHANG。
6.4.4 SHIYANGZHIJIAYINGCAIYONGDUOXINGDEFEIJINSHUCAILIAOZHICHENG。YICAIYONGBOLI、SULIAODENGCAILIAO。XUANGUASHIYANGDECAILIAOBUYINGYONGJINSHU，YICAIYONGRENZAOXIANWEI，MIANXIANWEIHUOQITAJUEYUANCAILIAO。
7 试验条件
7.1 QUYANG
TULIAOCHANPINANGB/T 3186GUIDINGQUYANG，YEKEANSHANGDINGFANGFAJINXING。QUYANGLIANGGENJUJIANYANXUYAOQUEDING。
7.2 SHIYANGDEZHIBEI
7.2.1 SHIYANGSHULIANG
CHUFEILINGYOUSHANGDING，YINGZHIBEI4KUAISHIYANG，QIZHONG3KUAIWEICESHIYANG，1KUAIWEIDUIBIYANG。
7.2.2 SHIYANGCHICUN
CHUFEILINGYOUSHANGDING，SHIYANGZUIXIAOCHICUNWEI150mm×70mm×3mm。
7.2.3 DICAIJIDICAICHULI
CHUFEILINGYOUSHANGDING，GANGBANDECAIZHIHECHULIYINGFUHEGB/T 9271DEGUIDING。SHIYANYONGGANGBANJINGPENSHAHUOPAOWANCHULIHOU，CHUXIUDENGJIYINGDADAOGB/T 8923.1—2011ZHONGGUIDINGDESa21/2JI，BIAOMIANCUCAODUYINGDADAOGB/T 13288.1—2008GUIDINGDE“ZHONG（G）”JI。SHANGDINGDEDICAICAIZHILEIXINGHEDICAICHULIFANGFAYINGZAIJIANYANBAOGAOZHONGZHUMING。
7.2.4 TUCENGZHIBEI
CHUFEILINGYOUSHANGDING，YICAIYONGPENTUFAZHIBEISHIYANG。YINGANZHAOTULIAODESHIGONGSHUOMINGSHUJINXINGTUFU。MEIDAOTUCENGDEWAIGUANYINGJUNYUNYIZHI，WULIUGUA、LOUTU、ZHENKONG、QIZHOU、SUOKONG、QIPAODENGQUEXIAN。SHIYANGDETUMOHOUDUDECELIANGANZHAOGB/T 13452.2DEGUIDINGJINXING。CELIANGPENSHAGANGBANSHANGDEGANMOHOUDUSHI，CONGSHIYANGDESHANGBU、ZHONGBUHEDIBUGEQUBUSHAOYU2CIDUSHU，DUSHUSHIJULIBIANYUANZHISHAO10mm，QUDIAORENHEYICHANGGAOHUODIDEDUSHU，QU6CIDUSHUDEPINGJUNZHI。CHUFEILINGYOUSHANGDING，ZAISHIYANGDEBEIMIANHEBIANYUANYINGTUFUBEISHICHANPINHUOTIXI。
7.3 SHIYANGZHUANGTAIDIAOJIEHEGUHUA
ZAISHIYANKAISHIQIAN，YINGANZHAOTULIAOSHENGCHANSHANGDEZUIXINCHANPINSHUOMINGSHUDEYAOQIUSHITUCENGTIXIWANQUANGUHUA。CHUFEILINGYOUSHANGDING，CESHIQIANYINGJIANGZHIBEIHAODETUCENGSHIYANGZAIGB/ T 9278—2008ZHONGGUIDINGDEWENDU（23±2）℃HEXIANGDUISHIDU（50±5）%DEHUANJINGXIAZHISHAODIAOJIE7TIAN。
7.4 HUAXIAN
7.4.1 SHIYANQIAN，YINGZAIMEIGESHIYANGDETUCENGSHANGHUAXIAN，BINGQUEBAOSHIYANGNENGCHONGFENBAOLUYUCESHIHUANJINGZHONG。
7.4.2 YICAIYONGJIXIEFANGSHIJINXINGHUAXIAN，BINGJINLIANGJIANGDIDUIJICAIBIAOMIANDESUNSHANG，RUTU1SUOSHI。LIRUKECAIYONGDAIYOUGUGANGZUANDEZUANCHUANG，RUFULUASUOSHI。
TU1 HUAXIANDEJIEMIANSHIYITU
7.4.3 HUAXIANZHANGDUYINGBUXIAOYU50mm，KUANDUBUXIAOYU2mm，HUAXIANYUSHIYANGMEITIAOZHANGBIANDEJULIBUXIAOYU12.5mm，YUSHIYANGMEITIAODUANBIANDEJULIBUXIAOYU25mm（RUTU2SUOSHI）。
TU2 HUAXIANSHIYITU（DANWEIWEImm）
7.4.4 HUAXIANYINGCHUANTOUTUCENGZHIZHILUCHUJINSHUJICAI，BINGYUJICAICHUIZHI。
7.4.5 YEKEYICAIYONGTU3SUOSHIDEHUOQITAFUHEYAOQIUDEHUAXIANFANGSHI。
TU3 QITAHUAXIANFANGSHISHIYITU
7.5 SHIYANYAOQIU
7.5.1 SHIYANQIAN，YINGZAIYANWUXIANGNEIKONGZHIHUOZHUANGMANMONISHIYANG，BINGQUERENYANWUCHENJIANGLVHEQITASHIYANTIAOJIANZAIGUIDINGFANWEINEIHOU，CAINENGJIANGSHIYANGZHIYUYANWUXIANGNEIBINGKAISHISHIYAN。
7.5.2 YONGGUODEPENWURONGYEBUYINGZHONGFUSHIYONG。
7.5.3 JINGYANWUSHOUJIQISHOUJIDAODERONGYE，ZAI（35±2）℃CELIANGSHI，NONGDUHEpHZHIYINGFUHE5.2.2HE5.2.1DEYAOQIU。
7.6 SHIYANZHOUQI
7.6.1 试验周期可按实际需要或双方协商确定，宜采用24h或24h的倍数。
7.6.2 ZAISHIYANZHOUQINEIPENWUBUYINGZHONGDUAN，DANGXUYAODUANZANGUANCHASHIYANGSHIKELINSHIDAKAIYANWUXIANG。
7.6.3 SHIYANZHOUQICHAOGUO96hSHI，SHIYANGKEJINXINGYIWEI，YIWEIDECISHUHEPINLVYOUSHUANGFANGSHANGDING，BINGZAISHIYANBAOGAOZHONGBIAOMING。
7.6.4 KEDINGQIKAIXIANGDUISHIYANGJINXINGMUSHIJIANCHA，ZAIJIANCHAGUOCHENGZHONGBUYINGPOHUAISHIYANGBIAOMIAN，KAIXIANGSHIJIANYUCISHUYINGJINKENENGSHAO。
8 试样的处理
JIANGCESHIYANGCONGYANWUXIANGQUCHUHOU，YONGWENDUBUGAOYU40℃DEQINGJIELIUDONGSHUIQINGXISHIYANGBIAOMIAN，KESHIYONGRUANHAIMIANDENGQUCHUHUAHENQUYUNEIDEWUGOUHEYANFEN，DANBUYINGXIAOCHUKEPINGGUDEFUSHIXIANXIANG。
9 试样状态的评定
9.1 SHIYANGJIANCHAYUPINGJIA
SHIYANGJIANCHAYUPINGJIAYINGANZHAOGB/T 30789.1～5GUIDINGJINXING。ZAIJULISHIYANGBIANYUAN10mmYINEICHUXIANDERENHETUCENGQUEXIANJUNBUYUKAOLV，TONGSHICELIANGHUAXIANCHUDEFUSHIKUANDU。
9.2 HUAXIANFUJINTUCENGDEYICHU
KECAIYONGXIALIEFANGFA，YICHUHUAXIANFUJINPOSUNDETUCENG：
1）SHIYONGXIAODAO：JIANGDAOPIANZHIYUTUCENGYUJICAIZHIJIAN，BAOCHIYIDINGJIAODUXIAOXINDIQUCHUSONGSANDETUCENG，SHITUCENGBEIBOLI。
2）SHIYONGJIAODAI：JIANGYAMINJIAODAITIEDAOHUAXIANQUYU，YONGSHOUZHIYONGLIANYASHIQITIEJIN，ZHANJIEHOUBAOCHI（90±30）s，RANHOUYI180°FANGXIANGKUAISUSILAJIAODAI。JIAODAIGUIGEYOUSHUANGFANGXIESHANGQUEDING。
9.3 FUSHIPINGGU
CAIYONGHESHIDEFANGFAQUCHUHUAXIANFUJINPOSUNDETUCENGHOU，CELIANG9GEDIAN（HUAXIANDEZHONGXINDIANHEZHONGXINDIANMEIBIANJIANGE5mmDEGE4GEDIAN）HUAXIANDEKUANDUBIANHUA。BINGANZHAOGONGSHI（1）JISUANHUAXIANCHUFUSHIKUANDU，JISUANJIEGUOYINGJINGQUEDAO 0.1mm：
式中：
M—HUAXIANCHUDEFUSHIKUANDU，DANWEIWEIHAOMI（mm）；
C—9GEDIANFUSHIKUANDUCELIANGZHIDEPINGJUNZHI，DANWEIWEIHAOMI（mm）；
W—HUAXIANDECHUSHIKUANDU，DANWEIWEIHAOMI（mm）。
9.4 FUZHELICESHI
RUYOUXUYAO，KEANZHAORUXIAYAOQIUDUITUCENGJINXINGFUZHELICESHI：
1）GANMOHOUDU≤250μmSHI，FUZHELIDECEDINGANGB/T 9286DEGUIDINGJINXING；
2）GANMOHOUDU＞250μmSHI，FUZHELIDECEDINGANGB/T 5210—2006ZHONG9.4.2DEGUIDINGJINXING。
10 JIANYANBAOGAO
10.1 JIANYANBAOGAOZHISHAOYINGBAOHANYIXIAXINXI：
1）CESHIDESHIYANSHIXINXI（MINGCHENGHEDIZHI）；
2）CESHIDERIQI；
3）JICAIHEJICAIBIAOMIANCHULIZHUANGTAIDEMIAOSHU；
4）SHIBIEFANGHUTULIAOTIXISUOXUDESUOYOUXIANGXIXINXI（SHENGCHANSHANG、CHANPINMINGCHENGHUOXINGHAO、PIHAO、TUCENGSHULIANG、MEIDAOTUCENGDEGANMOHOUDU）；
5）SHIBIECANZHAOTIXISUOXUDESUOYOUXINXI；
6）GANZAO/GUHUAHEDIAOJIEDETIAOJIANHESHIJIAN；
7）JINXINGDECESHIHEMEIXIANGCESHIDECHIXUSHIJIAN；
8）MEIGESHIYANGDECESHIJIEGUO；
9）MEIXIANGCESHISHIYANQIANHOUDEDUIBIZHAOPIAN；
10）YUGUIDINGCESHIFANGFADERENHEPIANLI。
10.2 JIANYANBAOGAOYINGSHUOMINGCESHIYIQIHECHENGXUFUHEDEXIANGGUANBIAOZHUN。
10.3 JIANYANBAOGAOYINGYOUZHIXINGCESHIDERENYUAN、SHIYANSHIZHUGUANHUOQITAJINGPIZHUNDEDAIBIAOQIANMING。
附录A
（ZILIAOXINGFULU）
HUAXIANSHEBEIZUCHENGJIYAOQIU
A.1 SHEBEIZUCHENG
HUAXIANSHEBEIDEZUCHENGRUTUA.1SUOSHI。
TUA.1 HUAXIANSHEBEIZUCHENGSHIYITU
A.2YAOQIU
A.2.1 GONGZUOPINGTAISHANGYAOQIUYOUNENGGOUGUDINGSHIYANGDEZHUANGZHI，YIBAOZHENGJIQIGONGZUOSHI，SHIYANGBUHUIZAIGONGZUOPINGTAISHANGYIDONG。
A.2.2 TAIJIANENGGOUYIDONG，YIBIANXIANDAONENGZAISHIYANGBIAOMIANZHIXIANYUNDONG。
A.2.3 XUANZHUANDIANJIYINGDAIDONGXIANDAOXUANZHUAN。
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