Isorex R310 1 [new] -

Note: Always consult the latest official SDS before handling.

Once applied, the ISOREX R310/1 settles into its permanent role. It is no longer a liquid in a drum but a silent sentinel, hidden within the walls and roofs of our infrastructure. It stays there for decades, rigid and unmoving, a testament to the power of industrial chemistry. of this material or how it's used in sustainable construction POLYREX SP-30-4-B2 - ISOREX R-310-1 isorex r310 1

| Feature | Isorex R310 1 | Rotring Isograph 0.1 | Staedtler Marsmatic 0.1 | |---------|---------------|----------------------|--------------------------| | Production | Discontinued (1980s–90s) | Current | Current | | Price (used/new) | $15–30 used | $30–40 new | $25–35 new | | Nib material | Steel/W-carbide | Ceramic + tungsten | Stainless steel | | Cleaning ease | Moderate | Easier (disposable nib sleeve) | Similar | | Spare parts | Rare | Widely available | Available | Note: Always consult the latest official SDS before handling

| Problem | Possible Cause | Solution with Isorex R310 1 | |---------|----------------|------------------------------| | Poor adhesion | Insufficient HMDS | Re-run vapor prime; add adhesion promoter (e.g., AP3000) | | Swelling during development | Overexposure or overbake | Reduce dose by 20% or lower PEB to 100°C | | Residue (scumming) | Underexposure or cold developer | Increase dose by 15%; warm developer to 23°C | | Pinholes | Contaminated substrate | Filter resist before use; reclean wafer | | Notching at substrate interface | Reflective notching | Add anti-reflective coating (BARC) under resist | It stays there for decades, rigid and unmoving,