7000 Series - Parata Maju Asri - Katsura RollerParata Maju Asri

1. Features

Good for general inner coating.
Excellent solvent resistance especially against polar solvent such as Ketone and ester.
Excellent chemical resistance.
Excellent ozone resistance.

2. Hardness and color

Hardness (JIS-A): 7000 ... 20・30・35・40・45・50・60・70
7035F ... 35 (Swelling resistance is improved)
7035B ... 35 (Edge resistance is improved)
7000CT ... 50・60 (For color coating. Edge resistance is improved)
Color: 7000/Yellow・7000F/Light blue・7000B/White・7000CT/White

Normal physicality		7030	7035	7040	7050	7060	7070	7040CT	7050CT	7035F
Rubber Hardness	JIS-A	29	32	36	48	52	59	39	50	38
100% Tensile stress	MPa	7	6	11	12	14	20	9	14	13
200% Tensile stress	MPa	10	12	17	19	23	38	13	22	19
300% Tensile stress	MPa	15	16	23	24	29	54	17	32	25
Tensile strength	MPa	53	46	68	44	73	63	82	100	51
Elongation	%	740	730	650	540	630	420	710	590	580
Tearing strength	N/mm	7	8	9	9	15	23	12	13	9
Schob resilience	%	28	19	26	24	21	21	22	21	22
JIS resilience	%	53	39	44	41	44	40	44	34	46
Physicality after aging		7030	7035	7040	7050	7060	7070	7040CT	7050CT	7035F
Rubber Hardness	JIS-A	30	35	40	51	56	65	43	55	49
100% Tensile stress	MPa	8	9	12	16	20	31	12	17	20
200% Tensile stress	MPa	14	14	19	23	31	58	17	26	28
300% Tensile stress	MPa	18	19	24	29	37		22	36	34
Tensile strength	MPa	46	42	42	45	72	68	70	78	45
Elongation	%	650	650	500	490	590	270	650	530	480
Tearing strength	N/mm	9	10	9	12	17	17	15	18	14
Schob resilience	%	29	20	29	22	24	19	25	24	15
Acron abrasion rate	cc	0.61	0.63	0.84	0.85	0.91	0.9	0.349	0.348	0.56
Taber abrasion rate	cc	1.54	1.82	1.72	1.06	0.61	0.28	1.022	0.723	1.548
Gravity		1.25	1.29	1.3	1.42	1.24	1.31	1.28	1.39	1.37
Compression set	%	23	23	19	19	19	54	26	26	23

【Test method】
Physical test: Based on JIS-K6301
Acron abrasion: Load 6 pound 1000 revolutions.
Taber abrasion: 1000 revolutions.
Compression set: Compressibility 25% 70°Cx22h
Aging condition: Temp. 100°Cx48h

4. Solvent resistance

Solvent test		7030	7035	7040	7050	7060	7070	7040CT	7050CT	7035F
Volatile Solvent	2Hours	44	50	42	36	36	28	48	36	36
	5Hours	68	72	66	54	52	42	72	62	52
	24Hours	96	110	100	82	76	68	106	104	86
	48Hours	100	114	96	88	84	72	112	106	92
	50°Cdry	-16	-6	-12	-2	-4	-2	-10	-4	-4
Methyl ethyl ketone	2Hours	2	2	0	4	2	4	2	2	2
	5Hours	2	4	2	4	2	4	2	2	42
	24Hours	2	6	2	6	4	6	2	4	6
	48Hours	0	4	2	4	2	4	0	4	8
	50°Cdry	-8	0	-6	0	-2	-2	-6	-2	-4
Ethyl Acetate	2Hours	2	4	2	4	4	2	2	4	4
	5Hours	2	4	4	4	4	2	2	4	6
	24Hours	2	10	4	8	6	4	4	6	10
	48Hours	0	8	4	8	6	6	4	6	10
	50°Cdry	-8	-2	-6	-2	0	-4	-6	-2	-4
Toluene	2Hours	50	50	40	36	38	36	48	42	38
	5Hours	68	70	62	50	50	50	68	62	52
	24Hours	94	104	88	80	80	76	98	98	82
	48Hours	94	102	86	80	80	78	98	102	84
	50°Cdry	-18	-12	-18	-6	-6	-6	-14	-8	-6
Ozone test		7030	7035	7040	7050	7060	7070	7040CT	7050CT	7035F
Static test	1Hour	NC	NC	NC	NC	NC	NC	NC	NC	NC
	2Hours	NC	NC	NC	NC	NC	NC	NC	NC	NC
	4Hours	NC	NC	NC	NC	NC	NC	NC	NC	NC
	6Hours	NC	NC	NC	NC	NC	NC	NC	NC	NC
	1Day	NC	NC	NC	NC	NC	NC	NC	NC	NC
	2Days	NC	NC	NC	NC	NC	NC	NC	NC	A-1
Dynamic test	1Hour	NC	NC	NC	NC	NC	NC	NC	NC	NC
	2Hours	NC	NC	NC	NC	NC	NC	NC	NC	NC
	4Hours	NC	NC	NC	NC	NC	NC	NC	NC	NC
	6Hours	NC	NC	NC	NC	NC	NC	NC	NC	NC
	1Day	NC	NC	NC	NC	NC	NC	NC	NC	NC
	2Days	NC	NC	NC	NC	NC	NC	NC	NC	A-1

【Test method】
Solvent test: 1g block Temperature... 20°C
Ozone test: Ozone density... 50pphm Test temperature... 40°C
Static elongation rate... 20% Dynamic elongation rate... 20%

【Implied datum for ozone test result】

Number of cracks	Size and depth of cracks
A: Few	1: Invisible with naked eyes but visible with 10x magnifier.
B: Many	2: Visible with naked eyes
C: Too many	3: Rather large and deep(Smaller than 1mm)
NC: No Crack	4: Large and deep(Larger than 1mm, Smaller than 3mm)
e*: Cracks on edges	5: Larger than 3mm or may cut off