Solid natural rubber stoppers are chemical resistant, making them extra robust and works well with all Test tubes, Flasks and Erlenmeyer. Available in a wide range of sizes.

Also, available two sizes of rubber stopper with holes (two) in stock for 250/500/1000ml Conical flasks.

Packing: 1 Pc/Pk.

Item Code	Cork Number	Bottom (in MM) ±.2mm	Top (in MM) ±.2mm	Height (in MM) ±.2mm
401 xxx0	0	8	11	15.5
401 0001	1	10	14	18.5
401 0002	2	12	16	20
401 0003	3	14	18	21
401 0004	4	15	21	22
401 0005	5	17	22	23
401 0006	6	19	24	26
401 0007	7	20	25	28
401 0008	8	21	26.5	27.5
401 0009	9	21.5	28	31
401 0010	10	25	30	33
401 0011	11	28	33	33
401 0012	12	30	34.5	34.5
401 0013	13	31	38.5	37
401 0014	14	32	41.5	45.5
401 0015	15	37	42	40.5
401 0016	16	35	45	36.5
401 0017	17	40	49.5	40.5
401 0018	18	48	53.5	33.5
401 0019	19	44	58	45
401 0020	20	51	60	56.5
401 0021	21	47.5	60	45
401 0022	22	50	62	44
401 0023	23	62	75	45

Natural Rubber Stoppers

Available Options

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