It is manufactured a follow sealant to neuter pen with synthetic oil and white carbon black, this sealant possesses good follow performance, and can satisfy the sealing requirement of neuter pen.

用合成油和白碳黑制备了一种中性笔随动密封剂，该密封剂有良好的随动性能，能满足中性笔的密封要求。

youdao

Taking the carbon black similar to soot as the test material, the oil's dispersancy is evaluated through the oil's viscosity change after blending the carbon black into the oil under high speed.

我们采用与烟炱相类似的炭黑作为试验原料，在高速搅拌下将炭黑分散在油中，通过粘度变化来考察油品的分散性能。

youdao

Catalytic cracking oil slurry after filtration separation can be used to manufacture carbon black, needle coke, carbon fibrous material, plasticizer and so on.

过滤后的油浆可作为炭黑针状焦、碳素纤维材料、增塑剂等产品的原料，最后对催化裂化油浆过滤技术进行了展望。

youdao