SEBS一涨它就跟着涨，报价像没根。TPE的价格，逻辑在上游不在嘴。
SEBS涨它就涨，价格逻辑在上游
TPE 价格，上游是源头：SEBS、油、助剂。结论先给：SEBS涨它就涨，逻辑在上游——上游，是价格的源头。
TPE价格最大的坑：只盯下游报价，不看SEBS行情，永远慢半拍——上游，是价格的钥匙。
价格是成本关：看懂上游，采购不慌。看不懂，被动挨宰——价格，是采购的功课。
成本是价格的锚，为什么先看上游
TPE 主要成分是 SEBS：SEBS 涨，TPE 涨。SEBS，是价格的锚。
充油影响成本：油品价格波动。油，是价格的变量。
助剂影响成本：阻燃、耐候助剂。助剂，是价格的辅料。
SEBS、油、助剂、加工，钱花在哪
SEBS：占成本大头。SEBS 行情，是价格的主线。
充油：按硬度定量。油品价，是价格的变量。
助剂：按功能定量。助剂价，是价格的辅料。
加工：改性费用。加工费，是价格的底座。
成本构成，一张表对照清楚
表格读法：占比越高影响越大，SEBS那一行先看行情走势。
盯住上游，行情看懂。
报价有依据不瞎喊，评估核这四项
| 项目 | 检查 | 判断 |
|---|
| SEBS | 行情 | 跟踪 |
| 油 | 行情 | 跟踪 |
| 报价 | 对比 | 核验 |
| 涨幅 | 合理 | 核验 |
表格读法：价格一项项核，行情看得见，油和SEBS占比都标上。
上游，是价格的源头。
只看报价不看上游，被带节奏
坑一：只看报价。报价滞后上游半个月，等发现已经涨完——上游必看。
坑二：涨幅不核。被宰——行情必核。
坑三：不备货。涨价慌——行情提前备。
原料、油、加工——询价前先看
三问：SEBS什么行情、油什么行情、涨幅多少。一验：报价对比实测——三问一验，供应商底细清楚。
上游验证要先行：先把SEBS和白油的行情周期看明白，再谈锁价——上游，是价格的钥匙。
留样要成习惯：每批留样，物性按批次复测。批次换料先对比再放量——批次稳，客诉少。
乱涨、压价、跳涨：对照一张表
| 现象 | 原因 | 对策 |
|---|
| 涨价 | SEBS涨 | 跟行情 |
| 报价虚 | 没对比 | 多比价 |
| 被宰 | 不懂行情 | 盯上游 |
| 断供 | 不备货 | 提前备 |
| 客诉 | 降质 | 锁标准 |
SEBS行情牵着TPE成本走——只盯报价不盯上游，永远慢半拍。 报价滞后上游半个月，等你发现已经涨完。
成本构成里SEBS占比最高、油次之、助剂小。 上游行情按月跟踪，涨价提前备，别等到货才发现涨了，被动接价。
多级比价：一级、二级、贸易商分开看。 层级不同货源不同价不同，别拿贸易商价比一级，比错了以为被宰。
价格合同留弹性，涨幅机制提前写。 行情波动按机制走，别一口价签死，涨了你违约，跌了他不做。
SEBS行情按月核、报价多家对比、涨幅机制写进合同，采购从“被宰”变“跟着走”。 复盘台账记买贵原因，下次少踩。
TPE报价滞后SEBS挂牌价半个月，等你发现已经涨完。盯三个信号：SEBS挂牌价、加氢装置开工率、原油价，任一异动提前两周备货。
价格跟着氢化度和充油量走，同牌号价差大不是被宰。氢化率98%以上比95%贵一成，充油30%比20%便宜两成，问价先问这三个数。
行情按月跟踪别一口价签死。涨了你违约跌了他不做，浮动公式写进合同，上下触发区间5%，季度复核一次不用反复谈。
层级不同货源不同价不同，别拿贸易商价比一级
。报价滞后上游半个月等你发现已经涨完，行情按月跟踪涨价提前备别等到货才发现涨了被动接价。
报价滞后上游半个月等你发现已经涨完
。上游行情按月跟踪涨价提前备别等到货才发现涨了被动接价，层级不同货源不同价不同别拿贸易商价比一级比错了以为被宰。
TPE报价滞后SEBS挂牌价半个月等你发现已经涨完
。盯SEBS挂牌价加氢装置开工率原油价任一异动提前两周备货，氢化率98%以上比95%贵一成充油30%比20%便宜两成。
行情按月跟踪别一口价签死浮动公式写进合同
。SEBS挂牌价加氢装置开工率原油价三个信号异动提前两周备货，报价滞后上游半个月等你发现已经涨完。
科隆客户案例：耐油不足溶胀变形，跟产过1000h老化
烟台一家改性料应用厂，TPE 件耐油性不足，泡油后溶胀变形。科隆配合现场跟产调试到良率稳定，溶胀消除，一次性通过 1000h 老化测试。跟产调试，把溶胀锁死在量产前——耐油问题，先看配方再看参数。
小结
TPE价格的采购，上游先看，成本再算，SEBS涨它就涨逻辑在上游，上游是源头。
When SEBS rises, it follows along, and the quotes seem baseless. The price of TPE is determined by upstream logic, not by talk.
If SEBS goes up, it goes up; the price logic is upstream.
TPE prices, upstream is the source: SEBS, oil, additives. Here's the conclusion first: if SEBS goes up, it rises too; the logic is in the upstream — the upstream is the source of the price.
The biggest pitfall in TPE pricing: only focusing on downstream quotes and not looking at SEBS market trends will always put you one step behind—upstream is the key to prices.
Price is the cost barrier: understand upstream and you won't panic when purchasing. If you don't understand, you'll passively get ripped off—price is the homework of procurement.
Cost is the anchor of price, so why look upstream first?
The main component of TPE is SEBS: when SEBS rises, TPE rises. SEBS is the price anchor.
Impact of refueling on cost: fluctuations in oil prices. Oil is a variable in price.
Additives affect cost: flame retardant, weather-resistant additives. Additives are auxiliary materials that affect price.
SEBS, oil, additives, processing—where is the money spent?
SEBS: Accounts for the major part of the cost. The SEBS market trend is the main line of the price.
Oil filling: Quantified according to hardness. Oil price is a variable of the price.
Additives: Quantified according to function. Additive price refers to the price of auxiliary materials.
Processing: Modification costs. Processing fees are the base of the price.
Cost composition, clearly compared in one table
| item | Proportion | Influence |
|---|
| SEBS | Tall | big |
| oil | middle | middle |
| Additive | Low | small |
| Processing | middle | Stable |
How to read the table: The higher the proportion, the greater the impact. For the SEBS row, first look at the market trend.
Keep an eye on the upstream, understand the market.
Quotes are based on evidence, not shouted randomly; the evaluation checks these four items.
| Project | Check | Judgment |
|---|
| SEBS | market conditions | Track |
| oil | market conditions | Track |
| Quotation | Contrast | Verification |
| Increase | reasonable | Verification |
How to read the table: Check the prices item by item, watch the market trends, and mark the proportions of oil and SEBS.
Upstream is the source of price.
Only looking at the quotes without considering the upstream, being misled
Pitfall 1: Only look at the quoted price. The quote lags behind the upstream by half a month, and by the time you notice, the price has already gone up — always check upstream.
Pit Two: Rise not verified. Being ripped off—market must be verified.
Pitfall Three: Not stocking up. Panic over price increases — prepare in advance according to market trends.
Raw materials, oil, processing — check before requesting a quote
Three questions: What is the market for SEBS, what is the market for oil, and how much is the increase. One check: Compare quotes with actual measurements—three questions and one check, the supplier details are clear.
Upstream verification must come first: first understand the market cycles of SEBS and white oil, then discuss locking prices—upstream is the key to price.
Making sample retention a habit: retain samples for each batch, and re-test the physical properties by batch. Before switching materials between batches, compare them first before scaling up—the batch is stable, and customer complaints are few.
Random price increases, price suppression, sudden jumps: Compared in a table
| Phenomenon | Reason | Countermeasure |
|---|
| Price increase | SEBS rises | Follow the market |
| The quotation is fake | No comparison | Compare more prices |
| to be ripped off | Don't understand the market | Target the upstream |
| cut off supply | No stock preparation | Prepare in advance |
| Customer Complaint | downgrade | Lock standard |
SEBS market trends are driven by TPE costs — if you only watch the quotes and ignore the upstream, you'll always be half a step behind. The quotes lag half a month behind the upstream; by the time you notice, the price has already risen.
In the cost structure, SEBS accounts for the highest proportion, followed by oil, with additives being small. Track the upstream market monthly, prepare for price increases in advance, and don't wait until the goods arrive to find out that prices have risen and passively accept the price.
Multi-level price comparison: look at the first-level, second-level, and traders separately. Different levels have different sources and different prices; don’t compare the trader’s price with the first-level price, you’ll mistakenly think you’re being overcharged.
Keep the price contract flexible and write the increase mechanism in advance. Market fluctuations should follow the mechanism; don't fix a one-time price, where if it rises you breach the contract, and if it falls, they back out.
SEBS market prices are checked monthly, quotations are compared from multiple suppliers, and the increase mechanism is written into the contract, so purchasing changes from being 'taken advantage of' to 'going along.' Review the ledger to record the reasons for buying at higher prices, so you step on fewer pitfalls next time.
TPE quotes lag SEBS listing prices by half a month; by the time you notice, the prices have already risen. Watch three signals: SEBS listing prices, hydrogenation unit operating rates, and crude oil prices. Any abnormal change should prompt stocking up two weeks in advance.
The price follows the degree of hydrogenation and the oil content; if the same grade has a big price difference, you are being overcharged. Hydrogenation above 98% is about 10% more expensive than 95%, and oil content of 30% is about 20% cheaper than 20%. When asking for the price, first ask for these three numbers.
Track the market monthly and don’t lock in a fixed price in one go. If it rises, you are in breach; if it falls, he won’t proceed. Include a floating formula in the contract, with a 5% upper and lower trigger range, and review quarterly so you don’t have to renegotiate repeatedly.
Different levels have different sources and different prices; don’t compare the price of traders with that of first-grade.
The quotation lags behind upstream by half a month, and by the time you notice it, the price has already risen. The market tracks price increases monthly, so prepare in advance instead of waiting until the goods arrive to find out that the price has gone up and passively accept the price.
The quotation lags behind upstream by half a month, and by the time you notice it, the price has already risen.
The upstream market tracks price increases monthly and prepares in advance. If you only realize the rise when the goods arrive, you end up passively accepting the price. Different levels have different sources and different prices, so don’t compare the trader’s price to a higher level and mistakenly think you are being ripped off.
TPE prices lag SEBS listing prices by half a month, and by the time you notice, they have already risen.
. Closely monitor SEBS listing prices, the operating rate of hydrogenation units, and any fluctuations in crude oil prices, and prepare stock two weeks in advance. A hydrogenation rate above 98% is 10% more expensive than 95%, while oil filling at 30% is 20% cheaper than at 20%.
Track the market monthly and don't lock in a fixed price by writing a floating formula into the contract.
.SEBS listing price, hydrogenation unit operating rate, and crude oil price show three signals of abnormal movement. Stock up two weeks in advance, the quotation lags upstream by half a month, by the time you notice, the increase is already over.
Cologne Customer Case: Insufficient oil resistance leading to swelling and deformation, experienced over 1000h of aging
A modification material application factory in Yantai found that their TPE parts lacked oil resistance and swelled and deformed after oil immersion. Cologne coordinated on-site to adjust the production process until yield stabilized, swelling was eliminated, and the parts passed the 1000-hour aging test in one go. During production adjustment, swelling was locked before mass production—the oil resistance issue should first look at the formulation and then the parameters.
Summary
For TPE price procurement, first look at the upstream, then calculate costs. When SEBS prices rise, TPE rises accordingly; the logic lies in the upstream, as upstream is the source.
