Mareflex: SOLAS tapes designed for marine application

Innovative Maritime Safety Solutions

SOLAS-compliant antispray tapes MF03 and MF04, hatch cover, anti-leak and reflective tapes for marine, offshore and oil & gas, developed in Hamburg and approved by the industry's authorities.

Explore products See our approvals
Type approvals · Antispray tapes

Approved by seven classification societies.

ALL APPROVALS CURRENT Updated Nov 2025 · certificates downloadable as PDF Open the certificate library
DNV type approval
DNV 2024-2029
ABS type approval
ABS 2021-2026
Lloyd's Register type approval
Lloyd's Register approved
ClassNK type approval
ClassNK 2023-2028
Korean Register type approval
Korean Register 2025-2030
China Classification Society type approval
CCS 2024-2029
Bureau Veritas type approval
Bureau Veritas approved
Our products

Two flagships. Five specialists.

All seven product lines, in one range
MF03 Antispray Tape applied on a flange

MF03 Antispray Tape

Protects pipeline installations against leaks of flammable substances in standard installations.

≤ 25 bar
MF04 Antispray Tape applied on a flange

MF04 Antispray Tape

Reinforced structure. The most durable anti-splash tape on the market, for the highest pressures.

≤ 55 bar
MF10 NDT inspection point labels
MF 10 NDT Labels
Inspection-point marking
MF30 Hatch Cover Tape
MF 30 Hatch Cover Tape
Weathertight hold sealing
MF40 Pipe Repair Kit
MF 40 Pipe Repair Kit
In-service pipe repairs
MF50 Anti Leak Tape
MF 50 Anti Leak Tape
Self-fusing silicone
FD1403 SOLAS reflective tape ORALITE
FD 1403 Reflective Tape
SOLAS-grade ORALITE
World first · 2011

A 50 bar requirement arrived. The market had no such antispray tape.

Our story
Requirement
Antispray protection rated to 50 bar
Customer
One of the largest shipbuilding corporations in the world
Disclosure
Customer identity protected under NDA
Outcome
First in the world. Mareflex built what the market could not.
Today MF04 is rated to 55 bar
Choose your rating

MF03 vs MF04

Same aluminium-and-fibreglass construction, same SOLAS reference. The difference that matters most: the pressure it withstands. Set your line pressure and see which tape holds.

AT 0 BAR
MF03 covers this line
Within the 25 bar rating of MF03. Both antispray tapes qualify here; MF03 is the standard choice.
-40 to +160 °Coils & fuels resistantSOLAS II-2/4.2.2.5.3
MF03 datasheet MF04 datasheet
0 bar
0 PSI on the line
MF03 · 25 MF04 · 55
Drag to set the working pressure of your line
About Mareflex

The specialist manufacturer behind MF03 and MF04.

Mareflex GmbH is a specialist manufacturer of safety tapes and sealing products, established in 2006 in Hamburg for the marine, offshore and oil & gas industries. Every generation since MF01 has been type-approved by the industry's classification societies.

2006
founded in Hamburg
7
classification societies
55 bar
highest rated protection
Mareflex antispray tape rolls
Antispray tape rolls, Hamburg production

Proof, kept current

All updates
Korean Register certification renewal
CERTIFICATION · NOV 2025
Safety confirmed: Korean Register renews Type Approval for Antispray Tapes
DNV and CCS certification renewals
CERTIFICATION · NOV 2024
Antispray Tape: DNV and CCS certification renewals
Mareflex at SMM 2024 Hamburg
EVENT · NOV 2024
A-SPE · Mareflex at SMM 2024: video highlights of the event