Boats & marine
LRS-approved ISO-NPG gelcoat for hulls and decks.
Polyester & vinyl gelcoats · Manufacturer, India
Gelcoats for FRP Moulders — Fire-Retardant, UV-Stabilised & Marine
Isophthalic, orthophthalic, ISO-NPG and vinyl gelcoats for hand lay-up and spray-up — including EN 45545-2 HL2/HL3 and ASTM E84 fire-retardant grades and LRS-approved marine gelcoat, in customised RAL shades.
- Manufacturer since 1989
- ISO-certified plants
- 20+ countries
- Since 1989Polymer resin manufacturer
- 2 plants in IndiaKheda, Gujarat · Dharwad, Karnataka
- ISO 9001 · 14001 · 45001Certified manufacturing facilities
- DSIR-approved R&DAnalytical, synthesis & application labs
- FR gelcoats to EN 45545-2 R1 HL2 / HL3 and ASTM E84
- UV-stabilised clear and non-pigmented grades for weather stability
- High gloss; available in customised RAL shades
Manufacturer since 1989
ISO 9001 · 14001 · 45001
DSIR-approved R&D
500+ customers · 20+ countries
FOB / CIF export
TDS · SDS on request
Gelcoat product range
Polyester Gelcoat grades we supply
Crest gelcoats give high gloss, appealing aesthetics and excellent UV resistance. Every type is available for hand lay-up, spray-up or both — check the process column.
| Grade type | Process | Why it is specified |
|---|---|---|
| FR & UV-stabilised | Spray-up, hand lay-up | Fire-retardant, UV-stabilised isophthalic and orthophthalic gelcoats. |
| Railway & mass transit FR | Hand lay-up, spray-up | Complies with EN 45545-2 R1 HL3 / HL2. Pigmented or non-pigmented, in multiple RAL shades. |
| ASTM E84 FR | Hand lay-up, spray-up | Fire-retardant gelcoat to ASTM E84. |
| UV-stabilised, weather-stable | Hand lay-up | UV-stabilised, non-pigmented iso, ortho and ISO-NPG gelcoats — good to excellent weather stability. |
| Clear | Spray-up | UV-stabilised clear ortho and ISO-NPG gelcoats, with excellent weather stability. |
| Marine (LRS-approved) | Spray-up, hand lay-up | ISO-NPG gelcoat with saltwater resistance, weathering, UV and blister resistance for boats. |
| Chemical-resistant | Hand lay-up | Vinyl gelcoat with outstanding resistance to acids and alkalis at room and elevated temperature, and low shrinkage. |
Approvals: EN 45545-2 R1 HL2/HL3 · ASTM E84 · LRS (marine).
Tell us your application and process — our technical team recommends the grade and sends its TDS (viscosity, gel time, HDT, cure schedule).
Applications
Where FRP manufacturers use our polyester gelcoat
Railway & mass transit
HL2 / HL3 gelcoats in RAL shades for interiors and exteriors.
Building panels
ASTM E84 fire-retardant and UV-stable surfaces.
Outdoor moulded parts
UV-stabilised gelcoats with good to excellent weather stability.
Chemical-resistant surfaces
Vinyl gelcoat for acid and alkali exposure.
EN 45545-2
HL2 / HL3 system: resin, gelcoat and Fire Shield™ paint
A complete EN 45545-2 approved range for mass transportation: HL2 and HL3 resins, HL2/HL3 gelcoats in multiple RAL shades, and the Fire Shield™ HL3 paint system — primer, base coat and top coat.
EN 45545-2 requirements (R1)
| Test | Parameter | HL1 | HL2 | HL3 |
|---|---|---|---|---|
| Heat release — ISO 5660-1 @ 50 kW/m² | MARHE (kW/m²) | — | < 90 | < 60 |
| Flame spread — ISO 5658-2 | CFE (kW/m²) | > 20 | > 20 | > 20 |
| Smoke — ISO 5659-2 @ 50 kW/m² | Ds(4) | < 600 | < 300 | < 150 |
| Smoke — ISO 5659-2 @ 50 kW/m² | VOF4 (min) | < 1200 | < 600 | < 300 |
| Toxicity — ISO 5659-2 @ 50 kW/m² | CIT | < 1.2 | < 0.9 | < 0.75 |
Typical values from Crest product literature; specifications may change — confirm against the current TDS.
Industries
Industries that specify polyester gelcoat
What FRP fabricators in each sector build with these resin systems.
Building & infrastructure
Pultruded profiles, panels, GFRP rebar and ASTM E84 fire-rated parts.
Marine
Hulls and decks with LRS-approved laminating resins and gelcoats.
Railways & mass transit
Interior and exterior parts to EN 45545-2 HL2 / HL3.
Not sure which grade fits? Tell us the part, the chemicals and the operating temperature — our resin chemists will recommend a system.Talk to a technical expert
Need technical data for evaluation?
Request the Gelcoat TDS (properties, cure schedule, storage) or SDS for your grade — emailed by our team.
- Manufacturing plant
- Reactor hall
- QC laboratory
- Drum & IBC packing
- Container loading
Why manufacturers choose Crest
A resin manufacturer, not a trader
Crest Speciality Resins is one of India's leading manufacturers of vinyl ester, polyester, fire-retardant and speciality resins and gelcoats, with over three decades of experience. You work directly with the manufacturer — R&D, production and technical service under one roof.
1989Year founded
2Plants — Kheda & Dharwad
20+Countries, 4 continents
500+Customers
R&D and quality
- DSIR-approved R&D centreIn-house R&D recognised by the Department of Scientific & Industrial Research, Government of India.
- Analytical labChemical, physical and instrumental tests to ensure quality and compliance.
- Synthesis labDevelops new resin chemistries and processes.
- Application labFunctional and performance tests run against each customer's requirements.
Certifications & approvals
- ISO 9001
- ISO 14001
- ISO 45001
- EN 45545-2 R1 HL2 / HL3
- ASTM E84
- LRS (marine)
- USFDA 21 CFR 177.2420
- IS 9845:1998
- EcoVadis Silver 2024
ICERP-JEC Innovation in Raw Materials award · TATA AutoComp supplier awards · Economic Times SME of the Year · EcoVadis Silver sustainability rating (2024)
Styrene-free, low-VOC, bio-based and recycled products · zero liquid effluent operations.
Supply & export terms
Shipped from India, documented for your customs
Clear terms up front so you can compare landed cost.
Incoterms
FOB or CIF — quoted to your nearest port.
Loading ports
Mundra & Nhava Sheva (JNPT), West India.
Packing
220 kg steel drums · 1,000 kg IBC totes.
MOQ
1 trial drum to qualify the grade, then pallet or FCL.
Lead time
Confirmed on your quotation for the grade and quantity.
Technical support
Grade selection with our resin chemists before you order.
Documents with every shipment:
- COA per batch
- MSDS / SDS
- TDS
- Certificate of Origin
- HS code on PI (3907 series)
Buyer questions
Before you order
Can you match my colour?
Yes. Crest gelcoats are available in customised RAL shades, and the HL2/HL3 gelcoats come pigmented in multiple RAL shades. Send the RAL code with your enquiry.
Spray-up or hand lay-up?
Both. Each gelcoat type is available for spray-up, hand lay-up or both — see the process column in the table, or tell us your method.
Do you have FR gelcoat for railway parts?
Yes. We supply gelcoats complying with EN 45545-2 R1 HL3 and HL2. Combine them with our HL2/HL3 resins and Fire Shield™ HL3 paint for a complete system.
Which gelcoat do you recommend for boats?
Our LRS-approved ISO-NPG marine gelcoat for spray-up and hand lay-up, used with our LRS-approved isophthalic or vinyl ester laminating resins.
Do you make a chemical-resistant gelcoat?
Yes — a vinyl gelcoat with outstanding resistance to acids and alkalis at room and elevated temperature, and low shrinkage.
What information do you need for a quotation?
The product or application, estimated quantity, destination country/port and preferred Incoterm (FOB or CIF). For corrosion service, add the chemical, its concentration and the operating temperature so we can recommend the right grade.
Can Crest provide TDS and SDS before I order?
Yes. Use “Request TDS / SDS” on this page and we email the documents for the grade you are evaluating. Specifications are revised from time to time, so always work from the current TDS.
Do you supply internationally?
Yes. Crest serves more than 500 customers in over 20 countries across four continents, and quotes FOB or CIF.
Which certifications do Crest plants hold?
Our manufacturing facilities are ISO 9001, ISO 14001 and ISO 45001 certified. Product approvals include EN 45545-2 R1 HL2/HL3, ASTM E84, LRS (marine), USFDA 21 CFR 177.2420 and IS 9845:1998.
Tell us about your polyester gelcoat requirement
Share grade or application, quantity and destination port. Our technical team will help identify the right product and send your quotation.