National Scientific 2008-9 Catalogue
This catalogue contains product details of products from National Scientific. If you have any questions about National Scientific products or wish to discuss the pricing and delivery of products from this manufacturer, or any of the many other Manufacturers we represent, please do not hesitate to contact us either by email Sales@greyhoundchrom.com or rachel@greyhoundchrom.com (Greyhound Chromatography’s Sales Manager). We are proud of our long-standing relationships with our customers and agents. We value our agent network highly and are constantly looking to appoint new agents with the right expertise, in areas where we are not represented. Please email sales@greyhoundchrom.com if you are interested in becoming one of our agents. Visit https://www.greyhoundchrom.com for a full range of Chromatography consumables, including Certified Reference Standards and Materials, Solvents, Reagents and Laboratory Chemicals.
This catalogue contains product details of products from National Scientific. If you have any questions about National Scientific products or wish to discuss the pricing and delivery of products from this manufacturer, or any of the many other Manufacturers we represent, please do not hesitate to contact us either by email Sales@greyhoundchrom.com or rachel@greyhoundchrom.com (Greyhound Chromatography’s Sales Manager).
We are proud of our long-standing relationships with our customers and agents. We value our agent network highly and are constantly looking to appoint new agents with the right expertise, in areas where we are not represented. Please email sales@greyhoundchrom.com if you are interested in becoming one of our agents.
Visit https://www.greyhoundchrom.com for a full range of Chromatography consumables, including Certified Reference Standards and Materials, Solvents, Reagents and Laboratory Chemicals.
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Headspace Vials, Septa, and Closures<br />
C4020-3A C4020-6A C4020-5A C4020-3M<br />
Crimp Seals<br />
20mm Headspace Crimp Seals (without Septa)<br />
Aluminum seals are available in standard center hole, pressure release and tear-off forms<br />
Pressure release seals are designed to open when internal pressure exceeds 3.0_0.5bar<br />
Use tinplate seals for autosamplers employing magnetic vial transport<br />
NSC PART NO. SEAL COLOR DESCRIPTION OPENING SIZE PACK OF CASE OF<br />
C4020-3A Silver One-piece Unlined Aluminum Crimp Seal 9.5mm ---- 1000<br />
C4020-5A Silver Tear-off Aluminum Seal 14mm ---- 1000<br />
C4020-6A Silver Pressure Release Aluminum Seal 7.5mm ---- 1000<br />
C4020-3M Gold One-piece Unlined Tin-plated Steel Crimp Seal 5mm ---- 1000<br />
Septa<br />
C4020-34,C4020-32,C4020-36,C4020-40,C4020-30<br />
20mm Septa for Headspace Vials<br />
PTFE/Red Rubber septa are resistant to coring and offer good resealing characteristics<br />
Gray Butyl is an economical septum for low temperature applications<br />
PTFE/Gray Butyl septum provides increased chemical resistance<br />
PTFE/Silicone septa offer excellent chemical resistance, resealing characteristics and low background<br />
Use Aluminum Foil/Silicone septa in extreme high temperature applications<br />
PurePak PTFE/Silicone septa are packed in glass jars to maintain purity up to the point of use<br />
See the septa selection guide on page 102 for more information about choosing the best product for your application<br />
NSC PART NO. SEPTUM MATERIAL TEMPERATURE RANGE PACK OF CASE OF<br />
C4020-30 Gray Butyl Stopper -40 to +120°C ---- 1000<br />
C4020-32 Tan PTFE/White Silicone (PurePak) -60 to +125°C 100 1000<br />
C4020-34 Ivory PTFE/Red Rubber -40 to +100°C 100 1000<br />
C4020-36 Gray PTFE/Black Butyl Molded -40 to +125°C 100 ----<br />
C4020-37 Aluminum Foil/White High Temp Silicone -60 to +220°C 100 1000<br />
C4020-40 Black Rubber -20 to +100°C 100 ----<br />
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