PVDF多少钱一公斤？
这个问题一搜，从六十块一公斤到一百八十块一公斤，报价差得比应用场景还多。有人说我买的六十的巨化JD-12用得挺好，有人说我买的一百八的阿科玛LBG才叫锂电级。到底差在哪？
说实话，问PVDF多少钱一公斤的人，大概率还没搞懂PVDF这东西不是一个料——通用注塑级、挤出级、锂电粘结剂级、锂电隔膜涂覆级、粉末涂料级，每个分支价格都不一样。你拿通用注塑的价和锂电级比，那不叫比价，叫被忽悠。
PVDF就是聚偏氟乙烯，氟塑料里的第二大品种，耐化学、耐候、压电，锂电粘结剂和隔膜涂覆是这两年最大的增量市场。
一、主流牌号报价（外企+中企）
先把市面上走量的牌号和参考价摆出来。以下为近期市场参考价，实时价格以当日询价为准。
阿科玛（Arkema，法国）
Kynar 740，中等分子量通用级，参考价约110-130元/公斤。注塑、挤出、通用制品。
Kynar 2850，高分子量挤出级，参考价约130-170元/公斤。管材、薄膜、高端制品。
Kynar LBG，锂电隔膜粘结剂高粘度，参考价约160-180元/公斤。锂电池隔膜、粘结剂。
Kynar Flex 2900/2950，共聚物级，参考价约140-180元/公斤。柔性制品、特殊应用。
索尔维（Solvay，比利时）
Solef 6008，通用注塑级，参考价约78-110元/公斤。通用注塑、挤出。
Solef 5130/6020，锂电粘结剂级，参考价约97-170元/公斤。锂电池、粘结剂。
Solef TA-6010，特殊级，参考价约100-150元/公斤。高端应用。
大金（Daikin，日本）
Neoflon PVDF系列，参考价约100-150元/公斤。通用注塑、挤出、薄膜。
国产PVDF（巨化/三爱富/孚诺林等中企大厂）
巨化JD-10/JD-12，通用挤出级，参考价约60元/公斤。管材、板材、通用制品。
三爱富FR904W，通用级，参考价约80元/公斤。注塑、挤出、防腐。
孚诺林2022A，锂电级，参考价约105元/公斤。锂电池粘结剂。
孚诺林FL2011，通用级，参考价约60元/公斤。通用注塑、挤出。
一句话总结：通用级60-80块，中高端注塑挤出80-130块，锂电级100-180块。你要的是啥应用和纯度，决定了你该在哪一档选。
二、同是PVDF，价差凭什么这么大
PVDF的价格差，主要藏在四个地方。
第一，应用领域不同。通用注塑/挤出便宜，锂电粘结剂/隔膜涂覆贵。锂电级对纯度和分子量分布要求极高，价格是通用级的2-3倍。
第二，分子量不同。低分子量适合注塑价格便宜，高分子量适合挤出和薄膜价格贵，超高粘度锂电级更贵。
第三，纯度不同。工业级纯度适中价格便宜，电子级/锂电级纯度高价格贵。金属离子含量对锂电性能影响巨大。
第四，品牌和产地。进口溢价高但批次稳定，国产性价比高但锂电级起步晚。同样是锂电级，阿科玛比国产贵50-80%，贵的是品控和研发。
三、采购避坑：别让锂电级骗了你
我见过太多采购，比价比到最后选了最便宜的六十的，然后做出来的锂电粘结剂粘度不够、电池循环差、客户退货，一次损失够买半年的好料。
PVDF采购这行，水比你想的深。三个坑必须绕开：
第一，看分子量和粘度不看牌号。同一个牌号不同批次性能可能波动，拿到料先测分子量和粘度，和COA对得上再用。别听销售说"差不多"，差不多就是差很多。
第二，警惕以次充好。有些贸易商拿通用级当锂电级卖，拿回收料当新料卖。要COA、要金属离子检测、要原厂包装，三证合一才敢用。
第三，别只比单价，算综合成本。A料单价60块，做出来电池合格率90%；B料单价150块，合格率99%。算到每只电池上，B料反而更便宜。
四、标准牌号满足不了？看看改性方案
如果你发现标准牌号怎么选都差点意思——比如要导电又要耐化学、要增强又要高纯度、要低成本又要锂电级——那不是PVDF的问题，是你需要的不是标准PVDF，是改性PVDF。
这时候可以看看宁波科隆新材目前在做的高性能改性PVDF方案，玻纤增强、导电、耐磨、耐候这些方向都有对应牌号在做。有特殊需求的可以私信要一份改性PVDF的报价参考，比自己买基料再加助剂调试，省的不只是钱，还有试错的时间。
说白了，标准料是大锅饭，改性料是定制菜。你的制品要求越高，越需要定制。
五、常用牌号，私信给你当日报价
上面的价格都是参考价，PVDF行情一天一个样，R142b、VDF、锂电需求、汇率都在动。
如果你需要阿科玛、索尔维、大金、国产这些品牌的具体牌号当日报价，私信我，发你一份实时价格表。不绕弯子，报实数。
写在最后
买PVDF这事儿，六十的和一百八的，差的不是一百二。
单价是门槛，选对应用和纯度才是底线。别让报价单上的数字迷惑了你——你买的不是一公斤塑料，是一公斤能做出合格电池的方案。把账算到每只电池上，再加上退货损失，你才知道谁真便宜谁真贵。
你在PVDF采购上踩过什么坑？是粘度不够还是纯度差？评论区聊聊，点赞最高的三位，送一份PVDF主流牌号选型对照表。
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PVDF注塑常见问题及解决
How much is PVDF per kilogram?
PVDF is not one material: extrusion, powder-coating, and each carries a different price.
1. Mainstream grade quotes (imported + domestic) — recent market references; live prices subject to same-day inquiry.
Arkema
Kynar 740, approx. CNY 110-130/kg. injection; extrusion; general products.
Kynar 2850, approx. CNY 130-170/kg. pipe; film.
Kynar LBG, approx. CNY 160-180/kg.
Kynar Flex 2900/2950, approx. CNY 140-180/kg. special applications.
PVDF
Solef 6008, approx. CNY 78-110/kg. general injection; extrusion.
Solef 5130/6020, approx. CNY 97-170/kg.
Solef TA-6010, approx. CNY 100-150/kg. premium applications.
Daikin
approx. CNY 100-150/kg. general injection; extrusion; film.
Domestic PVDF
general extrusion, approx. CNY 60/kg. pipe; sheet; general products.
general-purpose, approx. CNY 80/kg. injection; extrusion.
approx. CNY 105/kg.
general-purpose, approx. CNY 60/kg. general injection; extrusion.
2. Why prices differ so much
Four factors: (1) composition — lower levels are cheaper; higher levels give better performance but cost more. (2) molecular weight — premium grades need special formulations and cost more. (3) purity — special applications need special formulations or certification and cost more. (4) Brand and origin — imports carry a premium but offer batch stability; for the same grade, imports cost 30-50% more than domestic, paying for quality control and R&D.
3. Procurement pitfalls
The cheapest material often fails on performance and triggers customer returns. Three traps to avoid:
First, test key properties against the COA instead of trusting the grade name — performance of the same grade can fluctuate between batches. Second, watch out for substitution fraud: some traders pass off cheaper or recycled material as the real thing; demand the COA, a test report and original packaging before use. Third, don't compare unit price alone — calculate total cost per finished part, including rejected-goods loss; a higher-priced grade with a 1% defect rate is often cheaper than a low-priced one with 5% rejects.
4. Standard grades not enough? Consider modified compounds
If standard grades always fall short — for example you need flame retardancy AND high transparency, reinforcement AND chemical resistance, or low cost AND food grade — you don't need standard PVDF, you need a modified compound. Ningbo Kolong New Materials is developing high-performance modified PVDF solutions covering glass-fiber reinforcement, flame retardancy, weatherability and conductivity. Message us for a modified PVDF quote reference — it saves not only money but also trial-and-error time.
In plain terms: standard grades are a big pot of shared rice; modified compounds are a dish cooked to order. The higher your requirements, the more you need customization.
5. Popular grades — same-day quotes via message
All prices above are references; PVDF prices change daily as feedstocks and exchange rates move. If you need same-day quotes for specific grades, message us and we will send a live price sheet. No beating around the bush — real numbers.
Final words
Unit price is the threshold; choosing the right grade and performance is the baseline. Do the math per finished part, add rejected-goods loss, and you will know who is truly cheap and who is truly expensive.
What pitfalls have you hit when buying this material? The three most-liked comments will receive a grade selection guide.
