It has the good performances of water-proof, weather-proof, uvioresistant, heat resistant, good adhesiveness, etc.
具有防水、抗候、抗紫外线、耐热、粘着性良好等优良性能，施工方便，价格便宜。
2
This paper inquires into the UV absorbancy of ARA-2, a natural UV absorber. Verifying by living rabbit and human hair as carrier, ARA-2 is believed to be a good uvioresistant substance.