Biology - student experiments

Rubber stopper

Natural rubber stopper without holes. According to DIN 12871, good resistance to acids and lyes.

Kat.-Nr.	Bottom dia.	top dia.	Height	Comment
604 360 4	4 mm	8 mm	26 mm
667 251 4	9 mm	13 mm	20 mm
604 361 4	11 mm	15 mm	20 mm
667 253 4	14 mm	18 mm	20 mm
667 255 4	16 mm	21 mm	25 mm	SB 19
667 257 4	19 mm	24 mm	25 mm
604 362 4	22 mm	27 mm	25 mm
667 260 4	25 mm	31 mm	30 mm	SB 29
667 264 4	28 mm	34 mm	30 mm
604 363 4	31 mm	38 mm	30 mm
667 270 8	34 mm	41 mm	35 mm
604 364 4	38 mm	45 mm	35 mm
667 267 4	42 mm	49 mm	35 mm	SB 45
604 365 4	46 mm	54 mm	35 mm

Rubber stopper

Natural rubber stopper with one 7 mm hole.

Kat.-Nr.	Bottom dia.	top dia.	Height	Comment
604 370 4	11 mm	15 mm	20 mm
667 254 4	14 mm	18 mm	20 mm
667 256 4	16 mm	21 mm	25 mm	SB 19
667 258 4	19 mm	24 mm	25 mm
604 371 4	22 mm	27 mm	25 mm
667 261 4	25 mm	31 mm	30 mm	SB 29
667 265 4	28 mm	34 mm	30 mm
604 372 8	31 mm	38 mm	30 mm
667 271 4	34 mm	41 mm	35 mm
604 373 4	38 mm	45 mm	35 mm
667 268 4	42 mm	49 mm	35 mm	SB 45
604 374 4	46 mm	54 mm	35 mm

Rubber stopper
Natural rubber stoppers with 1 hole, various diameters.
Kat.-Nr. Bottom dia. top dia. Height Hole
667 252   4 9 mm 13 mm 20 mm 4 mm
667 2581   4 19 mm 24 mm 25 mm 6 mm
667 263   4 25 mm 31 mm 30 mm 18 mm

Kat.-Nr.	Bottom dia.	top dia.	Height	Hole
667 252 4	9 mm	13 mm	20 mm	4 mm
667 2581 4	19 mm	24 mm	25 mm	6 mm
667 263 4	25 mm	31 mm	30 mm	18 mm

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