PLA多少钱一公斤？今日报价，可降解料的价格不只是环保税
PLA多少钱一公斤？
这个问题一搜，从十八块一公斤到五十二块一公斤，报价差得比降解周期还多。有人说我买的十八块的丰原FY602用得挺好，有人说我买的五十二块的NatureWorks 6202D才叫稳定。到底差在哪？
说实话，问PLA多少钱一公斤的人，大概率还没搞懂PLA这东西不是一个料——通用级、注塑级、薄膜级、纤维级、3D打印级，每个分支价格都不一样。你拿通用级的价和薄膜级比，那不叫比价，叫被忽悠。
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。
NatureWorks（美国）
4032D，注塑级结晶型，参考价约25-35元/公斤。Ingeo系列，透明、食品级，餐具、包装。
3052D，注塑级，参考价约25-30元/公斤。高结晶，通用注塑。
4043D，薄膜级，参考价约35-50元/公斤。食品级、薄膜、卡片。
6202D，短纤/无纺布级，参考价约52元/公斤。热稳定，纤维、无纺布。
海正生物（中企大厂）
REVODE210，注塑级，参考价约18-19元/公斤。国产主力，性价比高，餐具、文具。
REVODE201，注塑级，参考价约18元/公斤。全降解，通用注塑。
REVODE711，吹塑级，参考价约24-25元/公斤。吹塑、餐具、杯子。
REVODE101，注塑透明易配色，参考价约23元/公斤。3D打印、文具。
丰原生物（中企大厂）
FY602，通用级，参考价约18-19元/公斤。国产主力，性价比高，纤维、薄膜。
FY802，通用级，参考价约18-19元/公斤。注塑、挤出。
FY601，高粘度薄膜级，参考价约20-30元/公斤。薄膜、纤维。
一句话总结：通用级18-20块，注塑级18-25块，薄膜/纤维级25-35块，高端特殊级35-55块。你要的是啥用途，决定了你该在哪一档选。
二、同是PLA，价差凭什么这么大
PLA的价格差，主要藏在四个地方。
第一，分子量不同。高分子量适合薄膜和纤维，价格贵；低分子量适合注塑，价格便宜。分子量是PLA的核心指标。
第二，结晶度不同。结晶型耐热好，价格贵；非结晶型透明好，价格适中。耐热PLA比通用型贵30-50%。
第三，用途不同。注塑级便宜，薄膜级贵，纤维级更贵，3D打印级最贵。用途决定了加工要求和价格。
第四，品牌和产地。进口溢价高但批次稳定，国产性价比高但质量参差。同样是注塑级，NatureWorks比海正贵30-50%，贵的是品控和研发。
三、采购避坑：别让降解率骗了你
我见过太多采购，比价比到最后选了最便宜的十八块的，然后做出来的制品耐热不够、降解不达标、客户退货，一次损失够买半年的好料。
PLA采购这行，水比你想的深。三个坑必须绕开：
第一，看熔指和分子量不看牌号。同一个牌号不同批次性能可能波动，拿到料先测熔指和分子量，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PBAT当PLA卖，拿填充料当纯料卖。要COA、要降解检测报告、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18块，做出来次品率5%；B料单价25块，次品率1%。算到每件制品上，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——比如要耐热又要透明、要增强又要全降解、要低成本又要高性能——那不是PLA的问题，是你需要的不是标准PLA，是改性PLA。
这时候可以看看宁波科隆新材目前在做的高性能改性PLA方案，耐热增强、增韧、全降解复合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PLA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，PLA行情一天一个样，玉米、乳酸、汇率都在动。
如果你需要NatureWorks、海正、丰原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PLA这事儿，十八的和五十二的，差的不是三十四。
单价是门槛，选对分子量和用途才是底线。别让报价单上的数字迷惑了你——你买的不是一公斤塑料，是一公斤能做出合格制品的方案。把账算到每件制品上，再加上次品退货损失，你才知道谁真便宜谁真贵。
你在PLA采购上踩过什么坑？是耐热不够还是降解不达标？评论区聊聊，点赞最高的三位，送一份PLA主流牌号选型对照表。
PLA和PBAT有什么区别
PLA耐热等级怎么选
PLA和PP有什么区别
PLA改性料厂家怎么选
PLA注塑常见问题及解决
How much is PLA per kilogram?
PLA is not one material: injection, film, and each carries a different price.
1. Mainstream grade quotes (imported + domestic) — recent market references; live prices subject to same-day inquiry.
NatureWorks
4032D, approx. CNY 25-35/kg. transparent; food-grade; packaging.
3052D, injection, approx. CNY 25-30/kg. general injection.
4043D, film, approx. CNY 35-50/kg. food-grade; film.
6202D, approx. CNY 52/kg. heat-stabilized.
PLA
REVODE210, injection, approx. CNY 18-19/kg.
REVODE201, injection, approx. CNY 18/kg. general injection.
REVODE711, blow-molding, approx. CNY 24-25/kg. blow molding.
REVODE101, approx. CNY 23/kg.
PLA
FY602, general-purpose, approx. CNY 18-19/kg. film.
FY802, general-purpose, approx. CNY 18-19/kg. injection; extrusion.
FY601, approx. CNY 20-30/kg. film.
2. Why prices differ so much
Four factors: (1) molecular weight — lower levels are cheaper; higher levels give better performance but cost more. (2) grade level — premium grades need special formulations and cost more. (3) application — 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 PLA, you need a modified compound. Ningbo Kolong New Materials is developing high-performance modified PLA solutions covering glass-fiber reinforcement, flame retardancy, weatherability and conductivity. Message us for a modified PLA 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; PLA 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.
