If you have ever poked your head inside a fridge wall, walked across a cold-room floor, or wondered why a car cabin stays quiet at highway speed, you've already met this stuff. Polymethylene polyphenyl polyisocyanate. Polymeric MDI, or PMDI for short. CAS 9016-87-9. It's the brown liquid behind most
If you have ever poked your head inside a fridge wall, walked across a cold-room floor, or wondered why a car cabin stays quiet at highway speed, you've already met this stuff. Polymethylene polyphenyl polyisocyanate. Polymeric MDI, or PMDI for short. CAS 9016-87-9. It's the brown liquid behind most