Quick facts

Three different documents
TDS describes a grade, SDS covers safety, COA reports one batch
ISO 9001 is not a product claim
It certifies a quality management system, not a resin
Verification route
The manufacturer’s document for the grade offered, not the listing title
Commercial position
Supplied and imported for Nepal by Samrat FRP Traders — a trader, supplier, importer and reseller
Document status
Supplier Technical Data Sheet on file — linked from the product page

Start from the service condition, not the product name

The most productive enquiry begins with what the part does, not with a resin name. What is the component, what does it hold, at what concentration and temperature, and for how long. Whether it is continuously immersed, intermittently wet or simply outdoors. Which process will be used to build it, and in what conditions.

That information lets a supplier answer properly and lets you compare offers meaningfully. An enquiry that says only "ISO resin, best price" invites every seller to interpret the request differently, and the offers that come back will not be comparable.

It also protects you against the naming problem. If the service condition is stated, a grade that does not suit it can be identified before the order rather than after the first tank is in service.

Know which document answers which question

Three documents come up in resin procurement and they are routinely conflated. The Technical Data Sheet describes a grade: appearance, published properties, the manufacturer’s positioning. The Safety Data Sheet covers hazard classification, handling, storage, protective equipment, spill response and disposal. The Certificate of Analysis reports measured values for one production batch.

The practical consequence is simple. If you need to know whether a grade suits a duty, that is a TDS question. If you need to write a safe handling procedure for your workshop, that is an SDS question and the SDS governs. If your own quality system requires evidence about the material you actually received, that is a COA, and it is only meaningful when its batch number matches the drum and the invoice.

Ask for what you actually need at the enquiry stage. Document requests raised after delivery are harder to satisfy and sometimes cannot be satisfied at all for material already dispatched.

Separate the supplier claim from the product claim

A supplier may hold ISO 9001. That certifies a documented quality management system, and it is a legitimate thing to consider when choosing who to buy from. It is not a statement about the performance of a resin, and a certificate number on a letterhead does not answer a technical question.

The same separation applies to product standards. If a project requires compliance with a specific national or international standard for tanks, pipes or laminates, that is a distinct, verifiable claim. Ask which standard, which version, and for the document that supports it. "Isophthalic" on a label is not compliance with anything.

And be careful with marketplace listings. Titles such as "ISO resin" or "isophthalic resin" are written by the seller and are not independently verified. This is exactly why the manufacturer’s own document for the specific grade is the thing worth asking for.

What to put in the enquiry

A quote-ready enquiry for this grade usually contains: the component and its service condition; the process you will use; the quantity you expect to take and over what period; the packaging format that suits your workshop; the delivery location; and any document your own quality process requires before you can accept material.

If a customer specification or a drawing governs the work, attach it or quote the relevant clause. That single step removes most of the back-and-forth, because it tells the supplier what has already been decided and what is still open.

Do not ask us to confirm a figure we have not seen. Where a grade’s supplier documentation is not on file, we will say so and put the question to the manufacturer rather than estimate on their behalf.

Where this grade stands with us today

Samrat FRP Traders is a trader, supplier, importer and reseller of FRP materials in Nepal. Our supplier for this grade is Samrat Poly Resins, India, a separate business. We do not manufacture, formulate, test or certify resin.

For ISO Polyester Resin specifically, the supplier Technical Data Sheet is in our document library and linked from the product page. No pricing, packaging, stock position or delivery commitment for Nepal is published anywhere on this site. Those are confirmed on enquiry, against the grade and quantity you actually need.

Several other grades in the polyester range do have their supplier documents on file and linked from their product pages. If your requirement is flexible on grade, that is worth knowing when you plan the enquiry.

Frequently asked questions

What is the difference between a TDS, an SDS and a COA?

A Technical Data Sheet describes the typical published properties of a grade. A Safety Data Sheet covers hazards, handling, storage, protective equipment and emergency response. A Certificate of Analysis reports measured values for one specific batch. They answer different questions, and one does not substitute for another.

How do I verify that what I am buying is genuinely isophthalic?

Through the manufacturer’s document for the grade being offered. A listing title, a product name or a description on an invoice is a seller’s description. Cured isophthalic and orthophthalic laminates are not distinguishable by eye, so documentation and traceability are the verification, not inspection.

Does your supplier’s ISO 9001 certificate cover the resin?

A quality management system certificate covers how a company documents and controls its processes. It is genuinely useful information about a supplier. It is not a technical certification of a resin grade and should never be quoted as one.

Why will you not quote a price per kilogram on this page?

Because a published price without a stated quantity, packaging, delivery point and date is not information a buyer can rely on, and it would be out of date the week after it was written. Send the requirement and we will quote against it.

Can you confirm stock and delivery time for Nepal?

Not on a web page. Availability and timing depend on the grade, the quantity and the moment you ask, so we confirm them on enquiry rather than publishing a claim that may not hold when you act on it.

What if my customer’s specification names ISO/NPG?

Then treat that as a distinct requirement rather than a synonym for isophthalic, and say so in the enquiry. NPG is a further compositional choice, and asking for the wrong one is the kind of mismatch that surfaces at inspection rather than at ordering.