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。
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。
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