Nuhou Hui

ʻO ka wai keʻokeʻo keʻokeʻo

2022-10-26

Pehea e koho ai i ka hydrogenated C5 petroleum resin a me ka wai i hoʻololi ʻia i ka resin keʻokeʻo keʻokeʻo i loko o ka ʻoihana adhesive.

 

A.

B. Ua hoʻololi ʻia ka wai-keʻokeʻo rosin resin he maikaʻi ke kāʻei mua a me ke kāʻei mau

ʻOi aku ka maikaʻi o ke kaiapuni ʻo C. Rosin resin

ʻO D.




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