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。