Vulcanized Fibre

Product List: MATERIAL OF PLASTIC FREE ERA, VULCANIZED FIBRE

Due to excellent strength, it is tenacious and hard to break.
Due to excellent insulation, it is difficult to conduct electricity.
Due to excellent biodegradability, it is rapidly degraded by microorganisms in the ground.
Due to excellent processability, it is possible for bending processing and drawing processing.
Surface processability is also excellent, it is possible for painting and bonding.

List of Vulcanized Fibre products

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Some thicknesses and shapes are not available for some color type.
Please contact sales department staff for color and thickness other than below.

Commercial Fibre

HB-77

HB-77 is the standard Vulcanized Fibre made of pulp.

It corresponds to JIS C 2315 B class.

It is excellent at mechanical strength and processability (e.g. punching, bending, and drawing), and a general product used for various containers, miscellaneous goods, various packings, and machine parts as structural materials including electrical insulating materials.

10 RoHS regulated substances are not used

Standard color: R, N, SW, B
Standard thickness: 0.25～2.4mm
Flame retardancy (UL subject 94): 0.71mm or more HB
Electrical insulation: Good
Arc resistance: 120～140Minutes

The above values are reference values, not guaranteed values

Fish Paper

FPL has excellent heat resistance and processability, and is mainly used for electrical insulation materials.

10 RoHS regulated substances are not used.

Specialty Fibre

Heat and Water Resistant Fibre

K-57

K-57 is certified by the Electrical Appliance and Material Safety Law.

A product in which the properties of fibers and plastics with excellent dimensional stability are uniformly combined in the tissue.

10 RoHS regulated substances are not used.

Standard color: N
Standard thickness: 0.5～2.4mm
Water Absorption in one hour: 10％or less
Flame retardancy (UL subject94): 0.74mm or moreHB
Electrical insulation: Excellent
Arc resistance: 130～140Minutes

The above values are reference values, not guaranteed values

RK-76（S)

RK-76 (S) is a product with K-57 as a base material and urethane resin coated on the surface.

10 RoHS regulated substances are not used.

Standard color: GY
Standard thickness: 0.35～1.6mm
Water Absorption in one hour: 10％or less
Flame retardancy (UL subject94): 0.8or more HB
Electrical insulation: Excellent
Arc resistance: 130～140Minutes

The above values are reference values, not guaranteed values

Flame Retardant Fibre

NF-77(N)

NF-77 (N) is a UL-certified product that imparts flame resistance to the base general fibre. Bending process can be performed smoothly by heating the bent part (150-200 ℃).

10 RoHS regulated substances are not used.

Standard color: GY
Standard thickness: 0.25～1.6mm
Flame retardancy (UL subject94): V-0 Certification
Hot wire: 120Minutes or more
High amp arc: 120Rounds or more
Electrical insulation: Good

The above values are reference values, not guaranteed values

Build Up Fibre

VFG・VF-67

VFG / VF-67 is a product in which a fibre single plate is used as a base material and laminated to any thickness using special resin.

As a structural material excellent in machining, it is used in various fields such as electrical insulation and sports equipment.

10 RoHS regulated substances are not used.

Abrasive Fibre

Abrasive fibre is a fibre used for abrasive discs. Polishing fibers require severe characteristics for use.

Our company brings together the finest selection of pulp, which is the raw material, and our unique production technology to provide products at an international level.

10 RoHS regulated substances are not used.

Thickness: 0.80mm
Density: 1.28g/㎤
Tensile strength MD: 117MPa, CD 73MPa
Internal Ply Adhesion: 3.9kg/25.4mm Width

The above values are reference values, not guaranteed values

Art Fibre

Oriental Cocktail

Oriental cocktails are characterized by vibrant colors not found in conventional products. Processing is easy, and after wetting with water, changing the shape and drying, it retains its shape and is used for stationery and art.

10 RoHS regulated substances are not used.

Comparison table of Characteristic values

2.00mm

Test items	unit	Test conditions	General Fibre	Heat and water resistant fiber		Flame retardant fiber
Test items	unit	Test conditions	HB-77N	K-57N	RK-76(S)GY	NF-77(N)GY	RNF-77GY
Thickness	mm	23℃50％RH	2.00	2.00	–	–	–
Paper weight in gsm	g/m²		2570	2700	–	–	–
Density	g/cm³		1.29	1.35	–	–	–
Tensile strength (Machine direction)	Mpa		111	103	–	–	–
Tensile strength (Cross direction)	Mpa		60	55	–	–	–
Bending resistance (Machine direction)	mm		19.1	–	–	–	–
Bending resistance (Cross direction)	mm		6.4	–	–	–	–
Thermal contraction rate (Machine direction)	%	105℃/5hrs	0.6	0.8	–	–	–
Thermal contraction rate (Cross direction)			1.4	1.5	–	–	–
Thermal contraction rate (Thickness)			3.2	3.0	–	–	–
Breakdown strength	kV/mm	23℃50％RH	–	11.5	–	–	–
Breakdown strength	kV/mm	105℃/48h	25.6	25.2	–	–	–
Volume resistivity	MΩ・cm	23℃50％RH	–	9.0×10⁴	–	–	–
Volume resistivity	MΩ・cm	40℃90%RH/24h	–	1.4×10⁴	–	–	–
Arc resistance	Minutes	23℃50％RH	133	133	–	–	–
Water absorption rate	％	23℃Water absorption1hr	–	7.3	–	–	–
Moisture	％	105℃/48h	10or less	10or less	–	–	–
Flame retardance		UL94	HB	HB	–	–	–
Hot wire	Minutes	UL746A	15～30	–	–	–	–
High amp arc	Rounds	UL746A	120or more	–	–	–	–

1.60mm

Test items	unit	Test conditions	General Fibre	Heat and water resistant fiber		Flame retardant fiber
Test items	unit	Test conditions	HB-77N	K-57N	RK-76(S)GY	NF-77(N)GY	RNF-77GY
Thickness	mm	23℃50％RH	1.60	1.60	–	1.60	–
Paper weight in gsm	g/m²		2062	2083	–	2154	–
Density	g/cm³		1.29	1.30	–	1.35	–
Tensile strength (Machine direction)	Mpa		114	105	–	79	–
Tensile strength (Cross direction)	Mpa		61	57	–	48	–
Bending resistance (Machine direction)	mm		11.8	–	–	–	–
Bending resistance (Cross direction)	mm		5.0	–	–	–	–
Thermal contraction rate (Machine direction)	%	105℃/5hrs	0.7	0.7	–	0.6	–
Thermal contraction rate (Cross direction)			1.5	1.5	–	1.2	–
Thermal contraction rate (Thickness)			3.4	3.1	–	2.1	–
Breakdown strength	kV/mm	23℃50％RH	–	15.6	–	5.3	–
Breakdown strength	kV/mm	105℃/48h	28.2	30.6	–	29.0	–
Volume resistivity	MΩ・cm	23℃50％RH	–	4.8×10⁵	–	3.4×10⁴	–
Volume resistivity	MΩ・cm	40℃90%RH/24h	–	2.1×10³	–	1.7×10²	–
Arc resistance	Minutes	23℃50％RH	134	131	–	–	–
Water absorption rate	％	23℃Water absorption1hr	–	6.2	–	–	–
Moisture	％	105℃/48h	10or less	10or less	–	10or less	–
Flame retardance		UL94	HB	HB	–	V-0	–
Hot wire	Minutes	UL746A	15～30	–	–	120or more	–
High amp arc	Rounds	UL746A	120or more	–	–	120or more	–

1.20mm

Test items	unit	Test conditions	General Fibre	Heat and water resistant fiber		Flame retardant fiber
Test items	unit	Test conditions	HB-77N	K-57N	RK-76(S)GY	NF-77(N)GY	RNF-77GY
Thickness	mm	23℃50％RH	1.20	1.20	–	1.20	–
Paper weight in gsm	g/m²		1542	1524	–	1598	–
Density	g/cm³		1.29	1.28	–	1.36	–
Tensile strength (Machine direction)	Mpa		121	104	–	84	–
Tensile strength (Cross direction)	Mpa		65	57	–	54	–
Bending resistance (Machine direction)	mm		7.9	16.1	–	34.6	–
Bending resistance (Cross direction)	mm		3.6	11.1	–	31.1	–
Thermal contraction rate (Machine direction)	%	105℃/5hrs	0.7	0.8	–	0.6	–
Thermal contraction rate (Cross direction)			1.6	1.7	–	0.9	–
Thermal contraction rate (Thickness)			3.6	3.3	–	1.8	–
Breakdown strength	kV/mm	23℃50％RH	–	17.4	–	9.2	–
Breakdown strength	kV/mm	105℃/24h	30.2	32.1	–	31.6	–
Volume resistivity	MΩ・cm	23℃50％RH	–	1.0×10⁶	–	4.9×10⁴	–
Volume resistivity	MΩ・cm	40℃90%RH/24h	–	6.5×10³	–	4.5×10²	–
Arc resistance	Minutes	23℃50％RH	134	130	–	–	–
Water absorption rate	％	23℃Water absorption1hr	–	6.7	–	–	–
Moisture	％	105℃/24h	10or less	10or less	–	10or less	–
Flame retardance		UL94	HB	HB	–	V-0	–
Hot wire	Minutes	UL746A	7～15	–	–	120or more	–
High amp arc	Rounds	UL746A	120or less	–	–	120or less	–

1.00mm

Test items	unit	Test conditions	General Fibre	Heat and water resistant fiber		Flame retardant fiber
Test items	unit	Test conditions	HB-77N	K-57N	RK-76(S)GY	NF-77(N)GY	RNF-77GY
Thickness	mm	23℃50％RH	1.00	1.00	1.00	1.00	–
Paper weight in gsm	g/m²		1269	1275	1285	1285	–
Density	g/cm³		1.27	1.28	1.29	1.29	–
Tensile strength (Machine direction)	Mpa		120	102	121	82	–
Tensile strength (Cross direction)	Mpa		64	56	65	46	–
Bending resistance (Machine direction)	mm		6.3	14.5	–	14.2	–
Bending resistance (Cross direction)	mm		2.7	10.4	–	10.8	–
Thermal contraction rate (Machine direction)	%	105℃/5hrs	0.7	0.8	0.7	0.8	–
Thermal contraction rate (Cross direction)			1.7	1.8	1.6	1.5	–
Thermal contraction rate (Thickness)			3.7	3.5	3.1	2.6	–
Breakdown strength	kV/mm	23℃50％RH	–	18.5	24.5	9.1	–
Breakdown strength	kV/mm	105℃/24h	32.7	33.7	33.4	34.9	–
Volume resistivity	MΩ・cm	23℃50％RH	–	1.8×10⁶	4.0×10⁶	3.2×10⁴	–
Volume resistivity	MΩ・cm	40℃90%RH/24h	–	6.1×10³	3.8×10⁴	2.6×10²	–
Arc resistance	Minutes	23℃50％RH	135	130	–	–	–
Water absorption rate	％	23℃Water absorption1hr	–	6.9	2.5	–	–
Moisture	％	105℃/24h	10or less	10or less	10or less	10or less	–
Flame retardance		UL94	HB	HB	HB	V-0	–
Hot wire	Minutes	UL746A	7～15	–	–	120or more	–
High amp arc	Rounds	UL746A	120or more	–	–	120or more	–

0.80mm

Test items	unit	Test conditions	General Fibre	Heat and water resistant fiber		Flame retardant fiber
Test items	unit	Test conditions	HB-77N	K-57N	RK-76(S)GY	NF-77(N)GY	RNF-77GY
Thickness	mm	23℃50％RH	0.80	0.80	0.80	0.80	0.80
Paper weight in gsm	g/m²		989	995	1005	1017	1052
Density	g/cm³		1.24	1.24	1.26	1.27	1.31
Tensile strength (Machine direction)	Mpa		119	101	105	91	90
Tensile strength (Cross direction)	Mpa		63	57	60	47	49
Bending resistance (Machine direction)	mm		4.8	16.6	–	8.6	8.9
Bending resistance (Cross direction)	mm		1.8	13.1	–	4.1	8.2
Thermal contraction rate (Machine direction)	%	105℃/5hrs	0.7	0.8	0.7	0.7	0.6
Thermal contraction rate (Cross direction)			1.8	1.8	1.6	1.5	1.5
Thermal contraction rate (Thickness)			3.8	3.5	2.8	2.5	2.6
Breakdown strength	kV/mm	23℃50％RH	–	18.5	20.3	11.0	13
Breakdown strength	kV/mm	105℃/24h	33.6	35.5	38.4	36.2	39.8
Volume resistivity	MΩ・cm	23℃50％RH	–	5.0×10⁶	1.6×10⁷	4.1×10⁴	2.0×10⁵
Volume resistivity	MΩ・cm	40℃90%RH/24h	–	7.3×10³	8.3×10⁴	3.1×10²	4.8×10³
Arc resistance	Minutes	23℃50％RH	134	128	–	–	–
Water absorption rate	％	23℃Water absorption 1hr	–	7.2	1.6	–	–
Moisture	％	105℃/24h	10or less	10or less	10or less	10or less	10or less
Flame retardance		UL94	HB	HB	HB	V-0	V-0
Hot wire	Minutes	UL746A	7～15	–	–	120or more	30～60
High amp arc	Rounds	UL746A	120or more	–	–	120or more	120or more

0.50mm

Test items	unit	Test conditions	General Fibre	Heat and water resistant fiber		Flame retardant fiber
Test items	unit	Test conditions	HB-77N	K-57N	RK-76(S)GY	NF-77(N)GY	RNF-77GY
Thickness	mm	23℃50％RH	0.50	0.50	0.50	0.50	0.50
Paper weight in gsm	g/m²		606	609	620	624	646
Density	g/cm³		1.21	1.22	1.24	1.25	1.29
Tensile strength (Machine direction)	Mpa		114	103	114	90	98
Tensile strength (Cross direction)	Mpa		60	58	58	47	55
Bending resistance (Machine direction)	mm		2.2	14.1	–	5.0	8.5
Bending resistance (Cross direction)	mm		0.7	11.1	–	2.3	4.2
Thermal contraction rate (Machine direction)	%	105℃/5hrs	0.8	0.8	0.7	0.6	0.5
Thermal contraction rate (Cross direction)			1.9	1.7	1.6	1.5	1.2
Thermal contraction rate (Thickness)			3.8	3.7	3.6	2.7	2.8
Breakdown strength	kV/mm	23℃50％RH	–	19.0	29.1	8.3	17.7
Breakdown strength	kV/mm	105℃/24h	37.3	37.2	36.5	37.9	37.3
Volume resistivity	MΩ・cm	23℃50％RH	–	8.4×10⁶	8.0×10⁶	8.9×10⁴	7.3×10⁵
Volume resistivity	MΩ・cm	40℃90%RH/24h	–	1.4×10⁴	2.9×10⁴	4.1×10²	3.7×10³
Arc resistance	Minutes	23℃50％RH	130	123	–	–	–
Water absorption rate	％	23℃Water absorption1hr	–	7.3	4.2	–	–
Moisture	％	105℃/24h	10or less	10or less	10or less	10or less	10or less
Flame retardance		UL94	–	–	–	V-0	V-0
Hot wire	Minutes	UL746A	–	–	–	120or more	–
High amp arc	Rounds	UL746A	–	–	–	120or more	–

0.25mm

Test items	unit	Test conditions	General Fibre	Heat and water resistant fiber		Flame retardant fiber
Test items	unit	Test conditions	HB-77N	K-57N	RK-76(S)GY	NF-77(N)GY	RNF-77GY
Thickness	mm	23℃50％RH	0.25	–	–	0.25	0.25
Paper weight in gsm	g/m²		254	–	–	287	308
Density	g/cm³		1.06	–	–	1.15	1.22
Tensile strength (Machine direction)	Mpa		95	–	–	85	99
Tensile strength (Cross direction)	Mpa		48	–	–	44	57
Bending resistance (Machine direction)	mm		0.5	–	–	2.2	6.5
Bending resistance (Cross direction)	mm		0.1	–	–	0.7	3.5
Thermal contraction rate (Machine direction)	%	105℃/5hrs	0.8	–	–	0.6	0.4
Thermal contraction rate (Cross direction)			1.9	–	–	1.5	1.0
Thermal contraction rate (Thickness)			3.6	–	–	3.2	3.2
Breakdown strength	kV/mm	23℃50％RH	–	–	–	11.7	31.8
Breakdown strength	kV/mm	105℃/24h	38.5	–	–	40.2	42.7
Volume resistivity	MΩ・cm	23℃50％RH	–	–	–	9.9×10⁴	8.3×10⁶
Volume resistivity	MΩ・cm	40℃90%RH/24h	–	–	–	2.4×10³	2.8×10⁴
Arc resistance	Minutes	23℃50％RH	–	–	–	–	–
Water absorption rate	％	23℃Water absorption 1hr	–	–	–	–	–
Moisture	％	105℃/24h	10or less	–	–	10or less	10or less
Flame retardance		UL94	–	–	–	V-0	V-0
Hot wire	Minutes	UL746A	–	–	–	120or more	–
High amp arc	Rounds	UL746A	–	–	–	120or more	–

The above figures are reference values, not guaranteed values

Physical property value does not change by color, but electrical property value may become low by some color.

Comparison table of characteristic values with various plastic products

The above values are reference values, not guaranteed values