Skip to Content

Skip to Main Menu

Heat Sealing Solutions

+44 (0)1234 832200

Heat Sealing Solutions

Engineering Tables

N	Rt	Ra	CLA / Ra	RMS	Cut-off length
	um	um	microinch	microinch	inches	mm
1	0.3	0.025	1	1.1	0.003	0.08
2	0.5	0.05	2	2.2	0.010	0.25
3	0.8	0.1	4	4.4	0.010	0.25
4	1.2	0.2	8	8.8	0.010	0.25
5	2.0	0.4	16	17.6	0.010	0.25
6	4.0	0.8	32	35.2	0.030	0.8
7	8.0	1.6	63	64.3	0.030	0.8
8	13	3.2	125	137.5	0.100	2.5
9	25	6.3	250	275	0.100	2.5
10	50	12.5	500	550	0.100	2.5
11	100	25.0	1000	1100	0.300	8.0
12	200	50.0	2000	2200	0.300	8.0

Rockwell C	Brinell	Vickers
HRC	BHN	HV
70	-	1076
69	-	1004
68	-	942
67	-	894
66	-	854
65	745	820
64	710	789
63	710	763
62	682	746
61	682	720
60	653	697
59	627	674
58	578	653
57	578	633
56	555	613
55	555	595
54	534	577
53	514	560
52	495	544
51	495	528

Rockwell C	Brinell	Vickers
HRC	BHN	HV
50	477	513
49	461	498
48	444	484
47	444	471
46	432	458
45	415	446
44	415	434
43	401	423
42	388	412
41	388	402
40	375	392
39	363	382
38	352	372
37	341	363
36	331	354
35	331	345
34	321	336
33	311	327
32	302	318
31	293	310

Rockwell C	Brinell	Vickers
HRC	BHN	HV
30	285	302
29	277	294
28	269	286
27	262	279
26	255	272
25	255	266
24	248	260
23	241	254
22	235	248
21	229	243
20	223	238
18	217	230
-	212	222
-	203	213
-	192	204
-	187	195
-	179	187
-	170	180
-	166	173
-	156	166

	Extra Soft							Soft				Medium Soft			Medium Hard			Hard			Extra Hard

Shore 00	0	10	20	30	40		50		60		70		80		90		100
Shore A						0		10		20		30	40	50	60	70	80	90		100
Shore D														0	10	20	30	40	50	60	70	80	90	100

									Rubbers

								Polyurethanes

																				PTFE

																			UHMWPE			POM

																						PEEK

© 2023 Ceetak Ltd - Registered in England & Wales no: 2251723