PC/PET多少钱一公斤?
这个问题一搜,从二十块一公斤到四十块一公斤,报价差得比PC含量还多。有人说我买的二十块的金发用得挺好,有人说我买的四十块的科思创DP7645才叫高抗冲。到底差在哪?
说实话,问PC/PET多少钱一公斤的人,大概率还没搞懂PC/PET这东西不是一个料——通用级、高抗冲级、耐化学级、玻纤增强级、阻燃级,每个分支价格都不一样。你拿通用级的价和高抗冲比,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。
科思创(Covestro,原拜耳,德国)
Makroblend DP7645,高抗冲耐低温抗化学,参考价约40元/公斤。汽车、电子外壳。
Makroblend UT305,注塑级耐高温耐腐蚀,参考价约36元/公斤。汽车部件、工业应用。
Makroblend UT203,冲击改性通用级,参考价约30-35元/公斤。通用注塑、电子外壳。
Makroblend EL700,高流动级,参考价约32-38元/公斤。薄壁制品、电子外壳。
SABIC(沙伯基础,美国)
XENOY X5230,通用级,参考价约32.5元/公斤。汽车外饰、电子外壳。
XENOY X4870HH,高耐热级,参考价约35-40元/公斤。工程应用、汽车部件。
XENOY T2NX5230,16%矿物填充含回收料,参考价约30-35元/公斤。汽车车身板、扰流板。
金发科技(中企大厂)
金发PC/PET通用级,参考价约20-28元/公斤。国产主力,性价比高,汽车、电子外壳。
金发PC/PET高抗冲级,参考价约25-32元/公斤。汽车外饰、工业部件。
一句话总结:通用级20-30块,高抗冲/耐化学30-36块,高耐热/玻纤增强35-40块,高端特殊40-45块。你要的是啥PC含量和性能,决定了你该在哪一档选。
二、同是PC/PET,价差凭什么这么大
PC/PET的价格差,主要藏在四个地方。
第一,PC含量不同。PC含量越高,耐热和抗冲越好,价格也越贵。PC含量70%的比50%的贵不少。
第二,功能改性不同。耐化学、抗UV、阻燃、玻纤增强——这些都要加钱。耐化学级比通用级贵20-30%。
第三,相容剂不同。好的相容剂能提升合金性能,但成本也高。便宜的PC/PET可能用低档相容剂,性能不稳定。
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。同样是高抗冲,科思创比金发贵30-50%,贵的是品控和研发。
三、采购避坑:别让PC含量骗了你
我见过太多采购,比价比到最后选了最便宜的二十块的,然后做出来的制品耐化学差、分层、客户退货,一次损失够买半年的好料。
PC/PET采购这行,水比你想的深。三个坑必须绕开:
第一,看热变形温度和熔指不看牌号。同一个牌号不同批次性能可能波动,拿到料先测HDT和熔指,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PC/ABS当PC/PET卖,拿通用级当耐化学级卖。要COA、要物性报告、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20块,做出来次品率5%;B料单价35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——比如要阻燃又要耐化学、要增强又要抗UV、要低成本又要高性能——那不是PC/PET的问题,是你需要的不是标准PC/PET,是改性PC/PET。
这时候可以看看宁波科隆新材目前在做的高性能改性PC/PET方案,玻纤增强、阻燃、耐化学、抗UV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PC/PET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,PC/PET行情一天一个样,双酚A、PTA、乙二醇、汇率都在动。
如果你需要科思创、SABIC、金发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PC/PET这事儿,二十的和四十的,差的不是二十。
单价是门槛,选对PC含量和功能才是底线。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PC/PET采购上踩过什么坑?是分层还是耐化学不够?评论区聊聊,点赞最高的三位,送一份PC/PET主流牌号选型对照表。
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PC/PET注塑常见问题及解决
How much is PC/PET per kilogram?
PC/PET is not one material: GF-reinforced, flame-retardant, and each carries a different price.
1. Mainstream grade quotes (imported + domestic) — recent market references; live prices subject to same-day inquiry.
Covestro
Makroblend DP7645, approx. CNY 40/kg. automotive.
Makroblend UT305, injection high-temperature corrosion-resistant, approx. CNY 36/kg. automotive parts; industrial applications.
Makroblend UT203, approx. CNY 30-35/kg. general injection.
Makroblend EL700, high-flow, approx. CNY 32-38/kg. thin-wall parts.
SABIC
XENOY X5230, general-purpose, approx. CNY 32.5/kg. automotive exteriors.
XENOY X4870HH, high-heat, approx. CNY 35-40/kg. automotive parts.
XENOY T2NX5230, approx. CNY 30-35/kg.
Kingfa
approx. CNY 20-28/kg. automotive.
approx. CNY 25-32/kg. automotive exteriors; industrial parts.
2. Why prices differ so much
Four factors: (1) composition — lower levels are cheaper; higher levels give better performance but cost more. (2) functional modification — 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 heat deflection temperature and melt flow index 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 PC/PET, you need a modified compound. Ningbo Kolong New Materials is developing high-performance modified PC/PET solutions covering glass-fiber reinforcement, flame retardancy, weatherability and conductivity. Message us for a modified PC/PET 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; PC/PET 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.