These 90mm PYREX® capillary melting point tubes are made from No. 7740 glass and have only one end open. All tubes have a 0.2-0.25mm wall range.
EcoChoice Claim
I-RECS cover 100% of manufacturing electricity consumption
EcoChoice Narrative
One or more facilities manufacturing this product is 100% covered by renewable energy through the purchase of unbundled energy attribute certificates (EACs).