DPTT (Dipentamethylene Thiuram Tetrasulfide) is a sulfur-containing rubber accelerator used in vulcanization systems for natural rubber and synthetic elastomers. It functions as a secondary accelerator and sulfur donor, contributing to crosslink formation during curing. DPTT is typically supplied as a light yellow powder and is used in combination with primary accelerators to optimize curing characteristics.
It is commonly applied in formulations requiring controlled curing rates and improved processing safety. Due to its thiuram-based chemistry, DPTT can influence scorch delay and crosslink density in rubber compounds. It is suitable for applications where consistent curing behavior and processing stability are required.
DPTT is used across rubber processing industries including molded goods, industrial components, and technical rubber products. It is typically incorporated during compounding stages and dispersed uniformly to ensure consistent performance.
| Parameter | Specification |
| Appearance | Light yellow powder |
| Initial Melting Point (°C) | ≥ 108 |
| Loss on Drying (%) | ≤ 0.30 |
| Ash (%) | ≤ 0.30 |
| Residue on 150 µm sieve (%) | ≤ 0.10 |
| Residue on 63 µm sieve (%) | ≤ 0.50 |
The above specifications are provided for reference purposes only. For precise and up-to-date technical details, please contact our marketing team.
Typical dosage: 0.5 – 2.0 phr (as secondary accelerator or sulfur donor)
Recommended dosage may vary based on formulation and processing conditions. Users should verify dosage before commercial use.
We deliver pan-India and have tie-ups with all major couriers & transporters.
Mandatory Disclaimer:
We are independent dealers and are not associated with the manufacturer. The information provided is compiled from official manufacturer datasheets and independent research. Users must evaluate product suitability and applicability before use.
Lab Line Enterprises is an ISO 9001:2015 certified supplier of specialty rubber and polymer chemicals. We supply DPTT rubber accelerator to manufacturers and compounders across India, including cities such as Mumbai, Delhi, Ahmedabad, Chennai, and Kolkata. The product is available in standard 25 kg packs as well as smaller 1 kg and 5 kg repacked quantities suitable for trials, formulation development, and R&D purposes. Our distribution network supports pan-India delivery through established courier and transport partners. We cater to small and mid-scale users who require flexible quantities for technical evaluation and production planning.
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