供应环保水性橡胶漆树脂
PU-303环保水性橡胶漆树脂

  

产品概述                                                                            
PU-303是一种含羟基芳香族水性弹性聚氨酯乳液。既具有聚氨酯树脂极佳的附着力和耐磨性，又具有丙烯酸树脂超常的耐冷热水性、优异的耐候性、耐化学性和较好的颜料润湿性和机器稳定性，同时避免丙烯酸、聚氨酯混合乳液相容性差和化学稳定性差的问题。配制成清漆或色漆可应用于橡胶鞋底涂料、弹性手感涂料，弹性家具漆、汽车内饰件涂料、纺织涂料等领域。

典型物性

外观                                                                                                                    微白泛蓝光半透明液体

固含量                                                                                                                                35±2%

抗张强度N/㎜2                                                                                                                32

膜硬度(邵氏)                                                                                                                        50

断裂伸长率                                                                                                                          450%

PH值                                                                                                                                      7±0.5

粘度（涂4  #杯）                                                                                                    35±2S

光泽（60°光泽度仪）                                                                                              88±2

附着力                                                                                                                                      1级

耐寒性                                                                                                                                      良好

机械稳定性（4000r/min,搅拌5min）                                              固体沉淀≦0.5％

冻融稳定性（5℃，5次循环）                                                                      状态不变

耐热压（500g压力60℃烘箱内4H）                                                              优

电荷                                                                                                                                                阴

典型应用

S-900橡胶鞋底涂料、弹性手感涂料，弹性家具漆、汽车内饰件涂料、纺织涂料等领域，按照不同调配工艺，可调制成优质的清漆和色漆。

应用优点

◆干燥迅速，对底材润湿性好，硬度、丰满度、光泽高，耐水性和耐热烫性优异，并具有良好耐候性。

◆施工灵活，可喷涂手刷淋涂等方式。

◆不含游离异氰酸基以及甲醛、重金属等有害物质。

应用要领

  1、最适宜施工条件为20-30℃，湿度60-70%，喷涂环境以通风为好，喷涂前应保证被涂物表面干净、干燥。

2、低温（0-5℃）施工时，应适量增加成膜助剂或助剂用量。

3、调制成优质的清漆或色漆，PH值要达到7.5－8。

储存要求

本品应存放于通风干燥的库房内,防止阳光直射,运输和储存温度在5oC以上，保质期12个月。

包      装

本产品用塑料桶包装，净重50和120公斤。

备      注

本说明书仅供参考之用，不具任何保证性质，请预先实验其适用性。