Quality at every step
Eastman has taken steps at all parts of the manufacturing and shipping process to ensure Eastman EastaPure™ electronic chemicals meet the most stringent quality standards.
Product and assets
- Solvents with metal content less than 1 parts per billion (ppb) for most EastaPure products
- Dedicated storage tanks
- Specialized material loading
Process and quality control
- Documented process that minimizes controllable contamination
- Multiple quality control and analysis processes across steps, starting with examining the raw materials
- Specialized material loading
Sampling and lab
- Two-way sample split with PTFE bottles
- In-house clean-room testing with ICP-MS
- Trustworthy metrology
Responsiveness
- Dedicated, cross-functional resources (operations, quality, product management and analytical)
- Coordinated logistics support
Grade expectations
EastaPure electronic chemicals come with extra support and specialized handling, ensuring you get a solution that best fits your needs.
| Technical grade | EastaPure grade | |
|---|---|---|
| Sales specifications | As stated on sales specifications sheet | Customizable |
| Process change notification system | None or limited | Comprehensive advance notification for planned changes; ASAP notification of unplanned changes |
| Metal testing | None; no guarantee in sales specification | 21 metals tested to agreed-on limits; able to add more as needed |
| Ion-exchange resin bed treatment | No | Customizable |
| Specialized material handling | None; open-air loading, no tank pickling, shared piping | Closed-dome loading, tank pickling, dedicated piping |
| Purity — assay and contaminants | Assay and contaminant level guarantees defined by sales specifications | Customizable |
| Nonvolatile matter limits | Not tested | Customizable |
| Audits; transparency | None or rare | Customizable |
| Quality guarantee; control limits | Can only return if it does not meet Eastman sales specifications; no production to control limits | Can return/reject if does not meet agreed-on specifications; statistical control-limit manufacturing possible |
Clean room
Eastman operates its own world-class, on-site clean room that provides continuous monitoring and purity certification. This state-of-the-art facility ensures material quality stability and minimizes material excursion events to meet the needs of our customers.