Carbon black N234 is a reinforcing-grade N-series carbon black supplied by BHD Chemical, with pellet hardness, iodine adsorption, oil absorption, tint strength, pH, pour density, ash and heating loss, sieve residue, and toluene extract transmittance each stated per batch on the specification table and confirmed on the certificate of analysis.
Carbon black N234 is the reinforcing-grade N-series carbon black in the BHD Chemical range, supplied on spec and on time with full documentation behind every batch. It is one accountable house's answer to compounders who need consistent reinforcement performance shipment after shipment, not just a quoted grade.
| Property | Value | Unit | Method |
|---|---|---|---|
| Iodine Adsorption Number | 115.0 - 125.0 | mg/g | ASTM D-1510 |
| Oil Absorption Number (DBP) | 120.0 - 130.0 | cm3/100 g | ASTM D-2414 |
| Tint Strength | 118.0 - 128.0 | %IRB3 | ASTM D-3265 |
| Pelleted Pour Density | 300 - 340 | kg/m3 | ASTM D-1513 |
| Toluene Extract Transmittance | min 85.0 | % | ASTM D-1618 |
| pH Value | 7.5 - 9.0 | — | ASTM D-1512 |
| Ash Content | max 0.75 | % | ASTM D-1506 |
| Heating Loss | max 1.0 | % | ASTM D-1509 |
| Pellet Fines | max 10.0 | % | ASTM D-1508 |
| Sieve Residue | max 1000 | ppm | ASTM D-1514 |
| Individual Pellet Hardness | average 10 - 40; max 50 | cN | ASTM D-3313 |
Key characteristics
High-structure reinforcing grade built for consistent batch-to-batch performance
Pellet form engineered to handle cleanly with minimal dust generation
Stable pour density supports predictable dosing in compounding lines
Low sieve residue for cleaner processing through mixing equipment
Documented quality profile backed by a certificate of analysis per batch
Quietly reliable supply from one accountable house, on spec and on time
Carbon black N234
N234 is a high-structure, high-reinforcement N-series carbon black supplied by BHD Chemical for rubber compounding. It ships in pellet form, packed to protect pellet integrity and pour density in transit, so what leaves origin is what arrives at your line.
Quality documentation
Every batch of N234 is backed by a certificate of analysis covering the specification table on this page — iodine adsorption, oil absorption, tint strength, and the physical and chemical parameters your quality team checks on receipt. Origin integrity is not a slogan here; it is the paperwork that travels with the product.
Packaging and handling
Pellet form and packing are set to keep fines and moisture within spec through storage and handling. Ask our team about packaging options and documentation format for your order.
Carbon Black
CoA supplied per shipment.
Frequently asked questions
What documentation comes with each shipment of carbon black N234?
Every batch ships with a certificate of analysis covering the parameters on the specification table, so your quality team can verify the batch you receive against the batch you ordered.
What form and packaging is N234 supplied in?
N234 is supplied in pellet form. Packaging is set to protect pellet integrity and pour density in transit — ask our team for the packaging options available for your order.
Can BHD Chemical handle our required order volume and timeline?
Volumes and lead times are confirmed against your specification at the quote stage, so what we commit to is what we deliver, on spec and on time.
Which industry does BHD supply carbon black N234 into?
N234 is supplied as a reinforcement-grade carbon black for vehicle tyre manufacturing, serving the tyre-rubber industry.
If the grade you need is not listed here, tell us the specification and volume and BHD Sourcing will find it — request a quote.
Why buyers work with BHD Group
Two divisions operate under a single accountable house. There is no handoff between a trading desk and a sourcing desk that leaves a buyer chasing an answer — one team owns the order from enquiry to delivery.
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