UV Cleaning Surface Modification Data -Resin-

• Bakelite
• ABS
• Epoxy glass

• MC Nylon
• PBT
• Polycarbonate

• PET
• PMMA
• PTFE

• Polystyrene

Bakelite（Phenol resins）

	1	2	3	4	5	Average	Standard deviation
Before cleaning	82.52	79.51	86.50	82.61	78.40	81.91	3.16
After cleaning	20.45	20.99	19.69	18.00	17.78	19.38	1.44

Time [sec]	0	30	60	90	120	300
Contact angle [°]	81.91	80.28	51.64	51.77	35.89	19.38

ABS

	1	2	3	4	5	Average	Standard deviation
Before cleaning	87.17	88.20	84.55	85.50	80.10	85.10	3.14
After cleaning	21.92	22.19	21.33	22.35	20.87	21.73	0.62

Time [sec]	0	30	60	90	120	300
Contact angle [°]	86.64	69.20	42.32	57.00	45.29	21.73

Epoxy glass

	1	2	3	4	5	Average	Standard deviation
Before cleaning	83.81	82.37	79.86	85.53	70.28	80.37	6.01
After cleaning	23.49	23.13	21.81	22.38	21.05	22.37	0.99

Time [sec]	0	30	60	90	120	300
Contact angle [°]	80.37	81.02	64.45	63.37	39.09	22.37

MC Nylon

	1	2	3	4	5	Average	Standard deviation
Before cleaning	70.02	71.42	71.84	71.44	71.32	71.21	0.69
After cleaning	10.99	8.72	7.59	12.44	9.40	9.83	1.91

Time [sec]	0	30	60	90	120	300
Contact angle [°]	71.09	73.48	78.19	75.10	68.35	9.83

PBT（Polybutylene terephthalate）

	1	2	3	4	5	Average	Standard deviation
Before cleaning	83.20	78.11	85.55	84.98	84.40	83.25	3.00
After cleaning	38.40	40.15	35.64	50.79	36.87	40.37	6.06

Time [sec]	0	30	60	90	120	300
Contact angle [°]	83.25	85.82	71.55	69.99	75.56	40.37

Polycarbonate（PC）

	1	2	3	4	5	Average	Standard deviation
Before cleaning	83.87	84.48	82.81	85.66	84.41	84.25	1.03
After cleaning	20.80	21.07	19.86	20.72	20.74	20.64	0.46

Time [sec]	0	30	60	90	120	300
Contact angle [°]	84.25	54.83	40.16	31.09	28.31	20.64

PET（Polyethylene terephthalate）

	1	2	3	4	5	Average	Standard deviation
Before cleaning	83.95	85.21	85.60	85.65	69.49	81.98	7.02
After cleaning	40.82	44.96	53.16	34.09	45.26	43.66	6.97

Time [sec]	0	30	60	90	120	300
Contact angle [°]	81.98	71.30	60.88	52.37	51.41	43.66

PMMA（Polymethyl methacrylate resin）

	1	2	3	4	5	Average	Standard deviation
Before cleaning	69.67	68.56	67.59	69.80	69.49	69.02	0.94
After cleaning	39.30	43.56	39.79	35.60	43.85	40.42	3.41

Time [sec]	0	30	60	90	120	300
Contact angle [°]	69.12	67.96	66.43	59.26	49.36	40.42

PTFE（Polytetrafluoroethylene）

	1	2	3	4	5	Average	Standard deviation
Before cleaning	113.68	110.40	110.20	110.12	113.5	111.58	1.84
After cleaning	106.93	107.27	110.74	63.66	106.80	99.08	19.87

Time [sec]	0	30	60	90	300
Contact angle [°]	112.04	101.07	101.08	113.00	93.87

Polystyrene（PS）

	1	2	3	Average	Standard deviation
Before cleaning	83.68	87.71	82.24	84.54	2.84
After cleaning	24.40	23.28	23.24	23.64	0.66

Time [sec]	0	30	60	90	120	300
Contact angle [°]	84.54	71.69	66.77	40.41	27.68	23.64