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SEAZONE Best Solution

Create new fender systems

Based on our innovative technology we produce and supply reliable and effective products directly
Discover superior durability and reliability

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Netless Foam Filled Fenders (SZ-F Fender) Donut Fenders (SZ-D Fender) Roller Fenders (SZ-R Fender)

Netless Foam Filled Fenders (SZ-F Fender)

Netless Foam Filled Fenders, Boat dock fender

Netless Foam Filled Fenders - Boat dock fender | SEAZONE

Foam Filled Fenders are constructed with and energy-absorbing foam core and a tough outer skin of filament-reinforced Polyurea Elastomer

With innovative technology, each floor is precisely controlled. Seazone’s Foam Filled Fender is manufactured with the most advanced technology in the industry. The Sezon method, which combines the existing process with the computer control process, is produced in four grades and has excellent quality and durability.

Features

No point loading
Non-marking skin
Low hull pressure
High energy absorption and Low reaction force
Low maintenance and High durability
High abrasion resistance
Flotation unaffected by tidal waves or harsh weather conditions
Various and Easy installation

Applications

Seazone provides support for custom application development tailored to meet our customers’ requirements, offering optimal solutions that consider various aspects of the product.

Coast Guard

Cruise Terminal

General Cargo

National Port

Naval Base(Navy)

Ship-to-ship Operation

Shipyard

ETC

Drawing

structure

structural drawing

Elastomer Skin
Property	Standard
Hardness (Shore A)	75-95
Tensile strength	≧13.8Mpa
Elongation to break	≧300%
Tear strength	≧32kN/m
Abrasion resistance (NBS)	≧100

PE-Foam Core
Property	Standard
Density	38-195 𝑘𝑔/𝑚3
Tensile strength	≧414kPa
Elongation to break	≧90%
Water absorption	〈 1𝑘𝑔/𝑚2
-	-

Nylon Filament Reinforcement
Property	Standard
Filament size	2520 denier
Breaking strength	≧230N
Elongation to break	≧16%
Filament spacing	4mm(typical)
-	-

Nylon Filament Helical & Hoop Winding Process

The elastomer used in the fender skin in polyurea. The skin is reinforced by filament winding wrap in a helical and hoop direction, which is controlled by and automatic winding system with load cell sensors at each filament. Our four-axis filament winding system, also used to build spacecraft fuel tanks, takes control and positions each filament for maximum strength and an even finish.

Performance curve

Performance curve

Reaction force

Hull Pressures

STD	134.4kpa	13.7t/m 2	2.8ksf
HC	176.6kpa	18.0t/m2	3.7ksf
EHC	257.0kpa	26.2t/m2	5.4ksf
SHC	353.2kpa	36.0t/m2	7.4ksf

Foam Filled Fenders have high energy absorption with low reaction force and hull pressure.
The reaction force curve shows a gradual performance increase as deflection rate increases, meaning fenders do not experience a high reaction force during normal docking procedures. Instead, the high reaction force of rubber fenders at low deflection rates has negative effects on docks, piers, and vessels.

Performance table

Compounds	Standard Capacity		High Capacity		Extra High Capacity		Super High Capacity
Deflection	60%		60%		60%		60%
Size x Performance	E.A. (ton.m)	R.F. (ton)	E.A. (ton.m)	R.F. (ton)	E.A. (ton.m)	R.F. (ton)	E.A. (ton.m)	R.F. (ton)
Ø600 × 1,200L	2	9	2	12	3	17	4	24
Ø600 × 1,800L	3	15	3	20	5	29	7	39
Ø600 × 2,400L	4	21	5	28	7	40	9	55
Ø600 × 3,000L	4	27	6	35	8	52	11	71
Ø700 × 1,500L	3	14	3	18	5	26	7	35
Ø900 × 1,500L	4	20	6	27	8	39	11	53
Ø900 × 1,800L	5	22	7	28	10	41	14	57
Ø900 × 2,400L	8	31	10	40	15	59	20	80
Ø900 × 3,000L	10	40	13	52	19	76	26	104
Ø900 × 3,700L	12	49	16	64	23	93	31	127
Ø900 × 4,300L	14	58	19	75	27	110	37	151
Ø1,000 × 1,500L	5	18	6	23	9	34	13	46
Ø1,000 × 2,000L	7	26	9	34	13	49	18	67
Ø1,200 × 1,800L	8	26	11	33	16	48	22	66
Ø1,200 × 2,000L	9	29	12	37	18	54	24	74
Ø1,200 × 2,400L	12	38	16	49	23	72	32	98
Ø1,200 × 3,000L	16	50	21	65	31	96	42	131
Ø1,200 × 3,700L	20	62	26	80	38	117	53	161
Ø1,200 × 4,900L	28	86	37	112	53	163	73	223
Ø1,200 × 6,100L	36	110	47	143	68	209	93	285
Ø1,350 × 2,500L	15	43	20	56	29	81	40	111
Ø1,500 × 2,400L	18	45	24	59	36	86	49	118
Ø1,500 × 3,000L	25	61	32	79	47	116	65	158
Ø1,500 × 3,700L	31	75	41	98	59	144	81	197
Ø1,500 × 4,300L	37	91	48	118	71	172	97	236
Ø1,500 × 4,900L	43	106	56	137	82	201	113	275
Ø1,500 × 5,500L	49	121	64	157	94	229	128	314
Ø1,800 × 3,700L	41	84	54	110	79	160	108	220
Ø1,800 × 4,300L	50	102	65	133	96	194	131	265
Ø1,800 × 4,900L	59	120	77	156	112	229	154	313
Ø1,800 × 5,500L	68	138	88	180	129	263	177	360
Ø1,800 × 6,100L	77	156	100	203	146	297	199	406
Ø2,000 × 3,500L	46	86	60	112	88	164	121	224
Ø2,000 × 4,000L	55	102	72	133	105	195	143	267
Ø2,000 × 4,500L	64	118	83	154	121	225	166	308
Ø2,100 × 4,300L	67	117	88	153	128	223	175	305
Ø2,100 × 4,900L	79	138	103	180	151	263	206	360
Ø2,100 × 5,500L	91	159	119	207	173	303	237	414
Ø2,100 × 6,100L	103	180	134	234	196	342	269	468
Ø2,100 × 6,700L	115	201	150	261	219	382	300	523
Ø2,400 × 3,700L	73	111	95	145	139	212	191	291
Ø2,400 × 4,300L	85	130	111	170	163	248	223	340
Ø2,400 × 4,900L	101	155	132	201	193	294	264	402
Ø2,400 × 5,500L	117	179	152	232	223	340	305	464
Ø2,400 × 6,100L	133	203	173	264	253	385	346	527
Ø2,400 × 6,700L	149	227	193	295	283	431	387	590
Ø2,500 × 4,000L	82	122	106	159	155	232	213	317
Ø2,500 × 5,500L	122	181	159	237	233	347	318	474
Ø2,700 × 4,300L	108	146	140	190	205	277	280	380
Ø2,700 × 4,900L	123	167	160	217	234	317	320	434
Ø2,700 × 5,500L	143	194	186	252	271	368	371	503
Ø2,700 × 6,100L	163	220	211	287	309	419	423	573
Ø2,700 × 6,700L	182	247	237	322	346	470	474	643
Ø3,000 × 4,900L	150	182	194	237	284	347	389	474
Ø3,000 × 5,500L	174	212	226	276	331	403	452	552
Ø3,000 × 6,000L	189	234	246	304	359	445	491	609
Ø3,000 × 6,100L	198	242	258	315	377	460	516	630
Ø3,000 × 6,700L	223	272	290	354	424	517	580	708
Ø3,000 × 7,300L	250	306	316	386	462	564	632	772
Ø3,300 × 4,500L	153	172	199	224	291	328	398	448
Ø3,300 × 6,500L	247	278	321	362	469	529	643	725
Ø3,400 × 5,500L	219	265	267	295	389	432	533	591
Ø3,400 × 6,100L	241	279	296	338	446	494	610	676
Ø3,400 × 6,700L	264	293	343	381	502	557	687	762
Ø3,400 × 7,300L	288	319	375	415	548	607	749	831
Ø3,700 × 6,100L	299	321	389	417	-	-	-	-
Ø3,700 × 7,300L	359	386	467	502	-	-	-	-
Ø4,000 × 7,900L	448	447	582	581	-	-	-	-
Ø4,200 × 8,000L	495	478	644	621	-	-	-	-
Ø4,300 × 8,500L	553	513	719	667	-	-	-	-
Ø4,500 × 9,000L	639	580	831	754	-	-	-	-
Ø4,500 × 10,500L	763	689	992	896	-	-	-	-

＊ The tolerance shall be ±10%

Performance test

Test procedures

Select Fender → Move to the Machine → Measure Height → Compression→ Read Reaction Force (60%) → Unload → Measure Height (Recovery Rate)

Compression Performance Test

Energy absorption and compression load must meet the value below within the deflection 60%. The recovery in height of fender after two minutes of the release of the compression load applied must be more than 90% of its original height. And after thirty minutes, must be more than 95%.

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Products

Create new fender systems

Netless Foam Filled Fenders (SZ-F Fender)

Foam Filled Fenders are constructed with and energy-absorbing foam core and a tough outer skin of filament-reinforced Polyurea Elastomer

Features

Applications

Drawing

Nylon Filament Helical & Hoop Winding Process

Performance curve

Performance curve

Reaction force

Hull Pressures

Performance table

Performance test

Test procedures

Compression Performance Test

How can we help?

Want to ask us a question?Get in touch!

Dwonload

Want to ask us a question?
Get in touch!