43 Dyne pen's video
NBCHAOVIDEO360 plays · · 2020-04-16
Fengzhiyue 43 film Dyne pen is used for surface tension of materials such as film, metal, Ceramics. 43 film Dyne pen has a dyne value of 43 and is composed of 5.06% ethylene glycol ether and 14.40% formamide
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