ISO Resins
Rock Bolt Grade Resin
A Samrat Poly Resins, India grade, SPR 301 RB. Enquire with Samrat FRP Traders for supply, pricing and packaging in Nepal.
Price
PRICE ON REQUEST
Rock Bolt Grade Resin pricing varies based on:
- Order Quantity
- Product / Resin Grade
- Current Raw Material Rates
Technical documents
Download Technical Data SheetPDFFull product rangeProduct catalogue · PDF, 16 pagesBrowse the document libraryDocuments issued by: Samrat Poly Resins, India
High-strength isophthalic liquid base resin used to manufacture rock-bolt anchoring compounds. The liquid resin, not the finished capsule.
Catalogue codeSPR 301 RB
Isophthalic liquid base resin for anchoring compounds
Resin chemistryIsophthalic Polyester Resins (SPR 301)
- Manufacturer
- Samrat Poly Resins, Doraha, India
- Nepal supplier and importer
- Samrat FRP Traders
- Technical information issued by
- Samrat Poly Resins (2026 catalogue)
- Price, packaging, lead time in Nepal
- Confirmed on enquiry
About this product
SPR 301 RB is a high-strength isophthalic liquid base resin used to manufacture rock-bolt anchoring compounds for mining reinforcement systems. It is supplied to the compound maker.
It is the liquid resin only. It is not the finished mineral-filled mastic and not a rock-bolt capsule, so it is not something to install directly. The catalogue lists a BPO-based reference cure, and gel-time grades from ultra-fast (15 seconds–2 minutes) to delayed (5–30+ minutes).
Samrat FRP Traders handles enquiries for this Samrat Poly Resins, India grade in Nepal. Pricing, packaging and availability are confirmed on enquiry.
What this means for buyers
For compound makers
This grade is an input to anchoring-compound manufacture. If you need finished capsules, this is not the product.
BPO cure, not MEKP
The reference cure is BPO 7% with cobalt octoate at about 0.4%, added separately. Tell us which gel-time grade your compound needs.
Key features
- High-strength isophthalic liquid base resin
- For rock-bolt anchoring-compound manufacture
- Ultra-fast and delayed gel-time grades
Typical specification
- Appearance
- Viscous liquid resin
- Viscosity
- 2,000–3,500 cPs
- Gel time
- Ultra-fast grades 15 seconds–2 minutes · delayed grades 5–30+ minutes
- Specific gravity
- Approximately 1.12
- Styrene content
- 35–39% by weight
- Supply condition
- Non-accelerated
- Reference cure system
- BPO 7% + Cobalt Octoate approximately 0.4% — added separately during use
Source: Samrat Poly Resins, India — product catalogue, 2026 edition (typical specification)
How to read these values
- This is the liquid base resin that anchoring-compound makers use. It is not a finished mineral-filled mastic or a rock-bolt capsule.
- These are typical values from the supplier’s product catalogue. They describe the grade; they are not batch guarantees or acceptance limits.
- Resin data does not guarantee the performance of a finished FRP component. Confirm suitability with a trial on your own process, reinforcement and cure conditions.
Applications and processes
Uses listed in the supplier’s catalogue.
- Manufacture of rock-bolt anchoring compounds
- Mining reinforcement systems
Limitations
- It is the liquid base resin, not a finished capsule or mastic. Anchoring performance, set time underground and capsule shelf life belong to the compound maker’s product and testing.
- The values shown are typical catalogue values for the grade, not batch guarantees, acceptance limits or a Technical Data Sheet. Confirm the current data before relying on a figure.
- Resin data does not describe a finished part. Strength, durability, fire behaviour and chemical resistance of a part depend on its design, reinforcement, process, cure and testing.
When to consider a different resin
These grades are made for a different situation. Match them against your own service conditions.
- ISO Polyester ResinA general isophthalic laminate is needed for damp, chemical or outdoor service.
Comparison table
| Criterion | Rock Bolt Grade Resin (SPR 301 RB) | ISO Polyester Resin |
|---|---|---|
| Chemistry | Isophthalic unsaturated polyester | Isophthalic unsaturated polyester |
| Supply condition | Non-accelerated | Non-accelerated |
| Viscosity | 2,000–3,500 cPs | 500 cPs at 25 °C |
| Gel time | Ultra-fast grades 15 seconds–2 minutes · delayed grades 5–30+ minutes | 15 minutes at 25 °C |
| Cure system | BPO 7% + Cobalt Octoate approximately 0.4% — added separately during use | MEKP with cobalt octoate accelerator |
| Listed uses | Manufacture of rock-bolt anchoring compounds; Mining reinforcement systems | General FRP in wet or chemically aggressive service |
| Choose when | Manufacturing rock-bolt anchoring compounds from a liquid base resin. | A general isophthalic laminate is needed for damp, chemical or outdoor service. |
Sources: the 2026 product catalogue of Samrat Poly Resins, India for the catalogue grades, and each earlier product’s published Technical Data Sheet summary. Values are typical and were measured under the conditions each source states, so they are a guide to selection, not batch guarantees. Viscosities measured at different spindle speeds or shear conditions are not directly comparable.
Manufacturing and quality context
Samrat Poly Resins manufactures the grade in Doraha, Punjab, India. Its 2026 catalogue presents every grade under its resin chemistry and code and describes a quality inspection laboratory at Doraha. Batch-specific questions, gel-time or viscosity queries and clarification of catalogue values are answered by the manufacturer’s technical team.
The catalogue recommends a trial on the customer’s own process and reinforcement before commercial use: typical values are not a substitute for a trial. Technical and safety data sheets are issued grade by grade: this grade’s Technical Data Sheet is published on this page, and a Safety Data Sheet has not been issued for it here. Ask for the current revision before relying on a document.
Samrat FRP Traders supplies and imports the grade for Nepal and handles enquiries. It does not manufacture, reformulate or certify resins.
Handling and safety
- Use suitable personal protective equipment and adequate ventilation.
- Store resin, initiators and accelerators separately, in original sealed containers, cool, shaded and away from heat and ignition sources.
- Add the initiator and the accelerator to the resin separately, according to the confirmed process.
- Never mix a concentrated peroxide initiator directly with a cobalt accelerator.
Product details
Applications
Product comparisons
Frequently asked questions
Is this a rock-bolt capsule?
No. It is the liquid base resin that anchoring-compound makers use. It is not a finished mastic or capsule.
Which gel times are available?
The catalogue lists ultra-fast grades at 15 seconds–2 minutes and delayed grades at 5–30+ minutes.
Is a technical or safety data sheet available?
Yes. The supplier’s Technical Data Sheet for this grade is published on this page — Doc. Ref SPR-TDS-RBR, Rev. 01, September 2026, issued by Samrat Poly Resins, India. No Safety Data Sheet has been issued for this grade on this site; ask us and we will request the current one.
Is it cured with MEKP?
No. The catalogue’s reference cure is BPO 7% with cobalt octoate at approximately 0.4%, added separately. Never mix peroxide and cobalt directly.
Who should buy SPR 301 RB?
Manufacturers of rock-bolt anchoring compounds. Mines and contractors needing capsules should buy the finished compound from its maker.
Knowledge hub
A fuller explanation of this grade’s chemistry, values and limits.
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