PCTG多少钱一公斤？
这个问题一搜，从八块一公斤到八十五块一公斤，报价差得比透明度还多。有人说我买的八块的国产通用用得挺好，有人说我买的八十五的伊士曼TX1501HF才叫食品接触高端。到底差在哪？
说实话，问PCTG多少钱一公斤的人，大概率还没搞懂PCTG这东西不是一个料——通用级、食品级、高耐热级、吹塑级、挤出级，每个分支价格都不一样。你拿通用级的价和食品级比，那不叫比价，叫被忽悠。
PCTG就是共聚聚酯，高透明、耐化学、食品接触安全，常用于水杯、化妆品包装、家电、玩具、医疗器械。
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。
伊士曼（Eastman，美国）
Tritan TX1001，通用级，参考价约18.8元/公斤。通用注塑、日用品、玩具。
Tritan TX1501HF，高韧性共聚多酯饮用水食品接触级，参考价约18.8-85元/公斤（不同渠道差异大）。水杯、食品包装、医疗器械。
Tritan TX2001，耐热级大小型家电饮用水瓶化妆品包装，参考价约23元/公斤。家电、水杯、化妆品包装。
Tritan MP100，高透明包装材质料，参考价约46元/公斤。高端包装、食品接触。
Tritan MX810/MX811，注塑级高韧性高透明耐化学，参考价约30-50元/公斤。通用注塑、耐化学制品。
Tritan WX500/WX510/EX401，吹塑/挤出级高韧性高透明耐化学耐水解，参考价约30-50元/公斤。吹塑、挤出、瓶子。
SK化学（韩国）
SK PCTG系列，通用级，参考价约36元/公斤。通用注塑、日用品、包装。
国产PCTG（中企大厂）
国产通用级，参考价约8-26.5元/公斤。性价比高，通用注塑、日用品。
国产食品级，参考价约20-40元/公斤。水杯、食品包装。
一句话总结：国产通用8-26.5块，进口通用18.8-36块，进口食品/耐热23-50块，进口高端46-85块。你要的是啥透明度和用途，决定了你该在哪一档选。
二、同是PCTG，价差凭什么这么大
PCTG的价格差，主要藏在四个地方。
第一，透明度不同。通用级透明度一般价格便宜，高透明级透光率90%以上价格贵。高端包装必须高透明。
第二，用途不同。通用级便宜，食品级/医疗级贵。特殊用途需要特殊认证。
第三，耐热性不同。通用级耐热80度左右价格便宜，高耐热级耐热100度以上价格贵。高温消毒必须高耐热。
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少。同样是食品级，伊士曼比国产贵50-100%，贵的是品控和研发。
三、采购避坑：别让透明度骗了你
我见过太多采购，比价比到最后选了最便宜的八块的，然后做出来的水杯黄变、耐化学差、客户退货，一次损失够买半年的好料。
PCTG采购这行，水比你想的深。三个坑必须绕开：
第一，看熔指和透光率不看牌号。同一个牌号不同批次性能可能波动，拿到料先测熔指和透光率，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PETG当PCTG卖，拿通用级当食品级卖。要COA、要食品接触认证、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8块，做出来水杯次品率5%；B料单价20块，次品率1%。算到每个水杯上，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——比如要阻燃又要高透明、要增强又要耐化学、要低成本又要食品级——那不是PCTG的问题，是你需要的不是标准PCTG，是改性PCTG。
这时候可以看看宁波科隆新材目前在做的高性能改性PCTG方案，玻纤增强、阻燃、抗静电、导电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PCTG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，PCTG行情一天一个样，对苯二甲酸、环己烷二甲醇、乙二醇、汇率都在动。
如果你需要伊士曼、SK、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PCTG这事儿，八块的和八十五的，差的不是七十七。
单价是门槛，选对透明度和用途才是底线。别让报价单上的数字迷惑了你——你买的不是一公斤塑料，是一公斤能做出食品接触水杯的方案。把账算到每个水杯上，再加上次品退货损失，你才知道谁真便宜谁真贵。
你在PCTG采购上踩过什么坑？是黄变还是耐化学差？评论区聊聊，点赞最高的三位，送一份PCTG主流牌号选型对照表。
PCTG和PETG有什么区别
PCTG透明度怎么选
PCTG和PC有什么区别
PCTG改性料厂家怎么选
PCTG注塑常见问题及解决
How much is PCTG per kilogram?
PCTG is not one material: food-grade, high-heat, blow-molding, extrusion, and each carries a different price.
1. Mainstream grade quotes (imported + domestic) — recent market references; live prices subject to same-day inquiry.
PCTG
Tritan TX1001, general-purpose, approx. CNY 18.8/kg. general injection; daily products; toys.
Tritan TX1501HF, approx. CNY 18.8-85/kg. food packaging; medical devices.
Tritan TX2001, approx. CNY 23/kg. appliances.
Tritan MP100, approx. CNY 46/kg. premium packaging; food contact.
Tritan MX810/MX811, injection high toughness high-transparency chemical-resistant, approx. CNY 30-50/kg. general injection.
Tritan WX500/WX510/EX401, approx. CNY 30-50/kg. blow molding; extrusion.
PCTG
general-purpose, approx. CNY 36/kg. general injection; daily products; packaging.
Domestic PCTG
Domestic general-purpose, approx. CNY 8-26.5/kg. general injection; daily products.
Domestic food-grade, approx. CNY 20-40/kg. food packaging.
2. Why prices differ so much
Four factors: (1) transparency — lower levels are cheaper; higher levels give better performance but cost more. (2) application — 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 melt flow index and light transmittance 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 PCTG, you need a modified compound. Ningbo Kolong New Materials is developing high-performance modified PCTG solutions covering glass-fiber reinforcement, flame retardancy, weatherability and conductivity. Message us for a modified PCTG 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; PCTG 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.
