T/CWA 209-2022
无溶剂聚氨酯防水涂料

Solvent-free polyurethane waterproof coating

标准号

T/CWA 209-2022

发布

2022年

发布单位

中国团体标准

当前最新

T/CWA 209-2022

 

 

适用范围

1、产品按组分分为：单组分(S)、双组分(M)。 2、产品按使用部位分为：平面用(H)、立面用(V)。 3、产品物理力学性能应符合以下规定：              项目                                  指标          固体含量/%                          ≥99.0          表干时间/h                           ≤12          实干时间/h                           ≤24        流平性（H类）   　  20 min时，无明显齿痕        抗流挂性（V类）　 湿膜厚度600μm时，不流挂       撕裂强度/(N/mm)　             ≥15           低温弯折性/℃　        -35 ℃，无裂纹           加热伸缩率/％　        -2.0～＋1.0 4、产品的有害物质限量应符合以下规定：                  项目                                                         技术指标      挥发性有机物含量(VOC)/(g/L)　                            ≤20              苯/(mg/kg)　                                                    ≤20        甲苯+乙苯+二甲苯/(g/kg)　                                    ≤1.0              苯酚/(mg/kg)　                                            ≤100              蒽/(mg/kg)　                                                    ≤10              萘/(mg/kg)　                                                    ≤200              游离TDI/(g/kg)　                                           ＜0.1 4,4’-二氨基-3,3’-二氯二苯甲烷(MOCA)/(g/kg)　   ＜0.1       短链氯化石蜡含量(C10～C13)/(g/kg)　                   ＜0.1          总铅Pb/(mg/kg)　                                            ≤90           　                                 镉Cd　                    ≤10        可溶性重金属/(mg/kg)        铬Cr　                    ≤20 　                                         汞Hg　                    ≤10       总挥发性有机化合物TVOC释放量/(mg/m3)　            ≤1.0

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