PFA多少钱一公斤?
这个问题一搜,从一百四十块一公斤到五百二十块一公斤,报价差得比纯度还多。有人说我买的一百四的国产喷涂粉用得挺好,有人说我买的五百二的科慕416HPX才叫半导体高端。到底差在哪?
说实话,问PFA多少钱一公斤的人,大概率还没搞懂PFA这东西不是一个料——注塑级、挤出级、粉末涂料级、薄膜级、半导体级、导电级,每个分支价格都不一样。你拿喷涂粉的价和半导体级比,那不叫比价,叫被忽悠。
PFA就是可溶性聚四氟乙烯,氟塑料里的"可熔融加工王",耐化学、耐候、绝缘、可注塑挤出,常用于化工防腐、半导体、电线电缆、食品接触。
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。
科慕/杜邦(Chemours/DuPont,美国)
Teflon PFA 416HP,食品接触级过滤器原料,参考价约356-520元/公斤。半导体、过滤器、食品接触。
Teflon PFA 416HPX,透明半导体注塑级,参考价约520元/公斤。半导体、高端注塑。
Teflon PFA 951HP Plus,挤出吹塑阻燃热稳定,参考价约200元/公斤。挤出、吹塑、电线电缆。
Teflon PFA 420HP,通用级,参考价约300-500元/公斤。通用注塑、挤出。
大金(Daikin,日本)
Neoflon AP-230,挤出模压内衬制品厚壁电线管材板材,参考价约200元/公斤。挤出、模压、内衬。
Neoflon AP-210,高透明桶装级,参考价约480元/公斤。高端透明制品、半导体。
Neoflon AP-201SH,注塑级高熔指高纯度,参考价约200-400元/公斤。通用注塑、半导体。
Neoflon AP-230ASL,导电耐化学全氟树脂,参考价约368元/公斤。导电、防静电、半导体。
Neoflon AC-5830/AC-5500,通用级,参考价约350元/公斤。通用注塑、挤出。
旭硝子/AGC(日本)
Fluon P-62XP,MFR 24-36通用级,参考价约310元/公斤。通用注塑、挤出。
Fluon P-76P/P-63P/P-65P/P-73PT,高强度高流动耐气候耐化学,参考价约200-400元/公斤。通用注塑、挤出、薄膜。
国产PFA(金华永和/巨化/三爱富等中企)
金华永和PW-200,通用级,参考价约165元/公斤。通用注塑、挤出。
国产喷涂粉末,参考价约140元/公斤。粉末涂料、防腐涂层。
国产通用颗粒,参考价约150-250元/公斤。性价比高,通用注塑、挤出。
一句话总结:国产喷涂粉140块,国产通用150-250块,进口通用200-400块,进口半导体/导电350-520块。你要的是啥纯度和用途,决定了你该在哪一档选。
二、同是PFA,价差凭什么这么大
PFA的价格差,主要藏在四个地方。
第一,纯度不同。工业级纯度适中价格便宜,电子级/半导体级纯度高价格贵。金属离子含量对半导体性能影响巨大。
第二,熔指不同。低熔指适合挤出价格适中,高熔指适合注塑和薄壁价格略高。熔指决定加工方式。
第三,功能改性不同。导电、防静电、食品接触——这些都要加钱。特殊功能需要特殊配方。
第四,品牌和产地。进口溢价高但批次稳定,国产性价比高但高端牌号起步晚。同样是半导体级,科慕比国产贵100-200%,贵的是品控和研发。
三、采购避坑:别让纯度骗了你
我见过太多采购,比价比到最后选了最便宜的一百四的喷涂粉,然后做出来的半导体部件金属离子超标、客户退货,一次损失够买半年的好料。
PFA采购这行,水比你想的深。三个坑必须绕开:
第一,看熔指和金属离子不看牌号。同一个牌号不同批次性能可能波动,拿到料先测熔指和金属离子,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PTFE当PFA卖,拿工业级当半导体级卖。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140块,做出来半导体部件合格率90%;B料单价520块,合格率99%。算到每个部件上,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——比如要导电又要高纯度、要增强又要耐化学、要低成本又要半导体级——那不是PFA的问题,是你需要的不是标准PFA,是改性PFA。
这时候可以看看宁波科隆新材目前在做的高性能改性方案,PFA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,PFA行情一天一个样,四氟乙烯、全氟丙基乙烯基醚、催化剂、汇率都在动。
如果你需要科慕、大金、旭硝子、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PFA这事儿,一百四的和五百二的,差的不是三百八十。
单价是门槛,选对纯度和用途才是底线。别让报价单上的数字迷惑了你——你买的不是一公斤塑料,是一公斤能做出半导体部件的方案。把账算到每个部件上,再加上合格率和退货损失,你才知道谁真便宜谁真贵。
你在PFA采购上踩过什么坑?是纯度不够还是金属离子超标?评论区聊聊,点赞最高的三位,送一份PFA主流牌号选型对照表。
PFA和PTFE有什么区别
PFA纯度怎么选
PFA和FEP有什么区别
PFA改性料厂家怎么选
PFA注塑常见问题及解决
How much is PFA per kilogram?
PFA is not one material: extrusion, powder-coating, film, and each carries a different price.
1. Mainstream grade quotes (imported + domestic) — recent market references; live prices subject to same-day inquiry.
PFA
Teflon PFA 416HP, approx. CNY 356-520/kg. semiconductors; food contact.
Teflon PFA 416HPX, transparent semiconductors injection, approx. CNY 520/kg. semiconductors.
Teflon PFA 951HP Plus, extrusion blow molding flame-retardant heat-stabilized, approx. CNY 200/kg. extrusion; blow molding; wire and cable.
Teflon PFA 420HP, general-purpose, approx. CNY 300-500/kg. general injection; extrusion.
Daikin
Neoflon AP-230, approx. CNY 200/kg. extrusion.
Neoflon AP-210, approx. CNY 480/kg. semiconductors.
Neoflon AP-201SH, approx. CNY 200-400/kg. general injection; semiconductors.
Neoflon AP-230ASL, approx. CNY 368/kg. conductive; antistatic; semiconductors.
Neoflon AC-5830/AC-5500, general-purpose, approx. CNY 350/kg. general injection; extrusion.
PFA
Fluon P-62XP, approx. CNY 310/kg. general injection; extrusion.
Fluon P-76P/P-63P/P-65P/P-73PT, approx. CNY 200-400/kg. general injection; extrusion; film.
Domestic PFA
general-purpose, approx. CNY 165/kg. general injection; extrusion.
approx. CNY 140/kg.
approx. CNY 150-250/kg. general injection; extrusion.
2. Why prices differ so much
Four factors: (1) purity — lower levels are cheaper; higher levels give better performance but cost more. (2) melt flow index — premium grades need special formulations and cost more. (3) functional modification — 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 PFA, you need a modified compound. Ningbo Kolong New Materials is developing high-performance modified PFA solutions covering glass-fiber reinforcement, flame retardancy, weatherability and conductivity. Message us for a modified PFA 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; PFA 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.