CV-4065

GPI 20-400 SEPTA FOR SCREW THREAD CLOSURES, SEPTUM

Item Number	Item Description	PQ	Price	Qty Avail	Quantity
CV-4065-0020	Septa Only, GPI 20-400, Gray PTFE/Silicone, 20mm x 0.060"	P100	▲ $52.45	14	Add to Favorites

  ▲ Vials/Containers Product Line

• Replacement Parts
• Specifications/Manuals
• Suggested Products

Replacement Parts

Item Number	Item Description	PQ	Price	Qty Avail	Quantity
CV-5730-0009	Cabinet, Storage, Vial and Closure	EACH	▲ $204.15	6	Add to Favorites

  ▲ Vials/Containers Product Line

Suggested Products

CV-3750-0020

Closure Only, GPI 20-400, Black, Open Hole

$16.30

Closure Only, GPI 20-400, Black, Open Hole

CG-4902

SAMPLE VIALS ONLY, CLEAR TYPE 1 BOROSILICATE GLASS

From $49.40

Vials

CG-1318

ADAPTERS, ROTARY EVAPORATORS, VIALS

From $19.30

Connecting

CG-1761

FUNNELS, VIALS, PTFE

From $21.40

Funnels

CG-190

REPLACEMENT THREADS, GPI

From $84.40

Hose Connections and Accessories

Septa Selection Guide:

Material	Compatibility	Incompatibility	Resealability
Silicone	Alcohols, Acetone, Ether, DMF, DMSO	ACN, THF, Pyridine, Chloroform, Benzene, Hexane, Heptane	VERY GOOD
PTFE/Silicone; PTFE/Silicone/PTFE	PTFE resistance until punctured then septa or liner will have silicone compatibility		VERY GOOD
Rubber (Natural Butyl)	ACN, Acetone, DMF, Alcohols, DMSO, Diethylamine, Phenol	Chlorinated Solvents, Aromatics, Carbon Disulfide, Hydrocarbons	EXCELLENT
Natural PTFE/ Natural Rubber/ Butyl PTFE/Butyl	PTFE resistance until punctured then septa or liner will have rubber compatibility		VERY GOOD
Viton®	Chlorinate Solvents, Benzene, Toluene, Alcohols, Hexane, Heptane	DMF, DMSO, ACN, THF, Pyridine, Dioxane, Methanol, Acetone	VERY GOOD

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