3801100040 纯度高于百万分之五硼量，密度大于1.50g/cm3的核级石墨；20℃下的密度、拉伸断裂应变、热膨胀系数符合特殊要求的人造细晶粒整体石墨；高纯度（>99.9%）、高强度（抗折强度>30M?pa）、高密度（>1.73?克/立方厘米）的人造石墨 export rebate rate
China HS 3801100040 (纯度高于百万分之五硼量，密度大于1.50g/cm3的核级石墨；20℃下的密度、拉伸断裂应变、热膨胀系数符合特殊要求的人造细晶粒整体石墨；高纯度（>99.9%）、高强度（抗折强度>30M?pa）、高密度（>1.73?克/立方厘米）的人造石墨) has an export VAT rebate rate of 0%, with a levy rate of 13%; 13% is the non-refundable gap.
Export rebate
0%
VAT levy
13%
Non-refundable gap
13%
Worked example · trading company
Example: ¥10,000 VAT-inclusive purchase. Refund = ex-VAT purchase × rebate rate.
Incl. VAT
¥10,000
Ex-VAT
¥8,849.56
Refund
¥0
Gap cost
¥1,150.44
Other codes in this heading
• Estimate uses the trading-company method; manufacturers use exempt-credit-refund.
• Source: STA Export Rebate Library (2026A); for reference only.