[ Premium Ultra-Accelerator ZDMC / PZ Product Image ]

Rubber Accelerator ZDMC (PZ)

A high-activity zinc dithiocarbamate ultra-accelerator engineered to deliver rapid vulcanization kinetics, superior tensile modulus, and excellent aging parameters in both dry rubber and latex formulations.

In high-throughput industrial rubber production and delicate latex dipping operations, minimizing cure cycles while maintaining robust mechanical outputs is a critical operational goal. Zinc Dimethyl Dithiocarbamate (universally recognized in B2B chemical procurement markets as ZDMC or PZ) stands as one of the fastest and most reliable dithiocarbamate-class ultra-accelerators available. Chemically registered under CAS No. 137-30-4, ZDMC possesses exceptional low-temperature activation capabilities. It effectively serves as a highly active primary or secondary booster across both natural and synthetic elastomers, providing compounding engineers with a predictable pathway to achieve high cross-linking density and superior physical resilience fields.

Technical Product Specifications

Property / Parameter Standard Specification
Chemical Name Zinc Dimethyl Dithiocarbamate (ZDMC / PZ)
CAS Number 137-30-4
Molecular Formula C6H12N2S4Zn
Appearance White or off-white fine powder / oiled powder / dust-free granules
Initial Melting Point (°C) ≥ 240.0 °C
Zinc Content (%) 20.0% – 23.0%
Loss on Drying (%) ≤ 0.30%
Ash Content (%) ≤ 0.30%

Why Choose Our ZDMC (PZ) Accelerator?

  • ✓ Rapid Curing and Low-Temperature Activity: ZDMC provides incredibly fast vulcanization rates at relatively low temperatures, reducing thermal energy costs and accelerating cycle times in casting and molding operations.
  • ✓ Non-Staining and Excellent Aging Resistance: It leaves light-colored and transparent rubber components visually pure, without inducing color contact staining, while granting formidable antioxidant stability.
  • ✓ Exceptional Secondary Booster Efficacy: When formulated in minor percentages alongside thiazoles or sulfenamides, it dramatically increases cross-linking density and structural tensile properties in dry rubber batches.

Primary Applications

Accelerator ZDMC (PZ) is universally formulated within Natural Rubber (NR), Styrene-Butadiene Rubber (SBR), Nitrile Rubber (NBR), EPDM, and diverse synthetic latex dispersion systems:

Latex Dipped Products

Extensively selected for medical-grade dipped films, household latex gloves, surgical examination protections, and premium flexible rubber threads.

Medical & Food-Grade Sundries

An optimal choice for translucent medical seals, food-handling gaskets, laboratory tubing, and technical consumer goods demanding high sanitization protocols.

Industrial Proofing & Fabrics

Selected for rubberized protective textiles, self-vulcanizing adhesive cements, elastic sheet backing formulations, and cold-cured technical rubbers.

⚠ Storage & Handling Guidelines

Maintaining correct warehouse climate parameters is vital to maintain the active purity and performance parameters of Accelerator ZDMC (PZ). Because dithiocarbamate compounds are sensitive to continuous elevated heat, severe moisture ingress, and acidic atmospheres, following specialized store patterns helps protect your compounding stocks.

  • • Warehouse Climate Control: Keep the chemical stock packages allocated inside cool, thoroughly ventilated, and completely dry warehouse environments. Ensure storage points stay isolated from direct solar exposure, dynamic steam ducts, or high-temperature processing vents.
  • • Sealing & Hardening Preventions: Keep all paper bags tightly sealed until active dry weighing takes place. Refrain from configuring heavy multiple pallet layers to avoid mass lump-caking hazards over high summer thermal periods due to ZDMC’s ultra-fine particle arrangement.
  • • Shelf Life Strategy: Under clean, temperature-controlled sealed environments, our industrial ZDMC products possess a certified shelf life of 24 months from the manufacturing date. Emphasizing a continuous First-In, First-Out (FIFO) pipeline is highly recommended.

Frequently Asked Questions

What is the core difference in cure speeds between ZDMC (PZ) and ZDEC (EZ)? +
ZDMC (methyl group) features a slightly faster cross-linking induction rate and lower activation energy profile compared to ZDEC (ethyl group) or ZDBC (butyl group). Because its shorter alkyl chain increases relative chemical activity per unit mass, ZDMC is heavily favored for high-velocity latex dipping lines and cold-cured self-vulcanizing adhesive films.
Does ZDMC cause heavy scorch risks when compounding dry rubber matrices? +
Yes. As an ultra-accelerator, when used as the main curing chemical in dry elastomers (like NR or SBR), it can cause premature cross-linking during hot mill processing. To maintain a safe processing window, compounding engineers typically utilize ZDMC in minor amounts (0.1–0.5 phr) strictly as a secondary booster alongside delayed-action sulfenamides or thiazoles.
Is ZDMC acceptable for food-contact and medical applications under international codes? +
Yes, ZDMC is widely permitted by global regulatory systems (such as the FDA under 21 CFR regulations for rubber goods and certain European BfR requirements) for use in food-contact items and surgical latex products. However, specific migration thresholds and extraction rinsing steps must be rigorously maintained within your post-vulcanization processing line.

Partner with a Reliable Chemical Supplier

We provide premium-grade Rubber Accelerator ZDMC (PZ) carefully processed to meet international technical benchmarks. Available in high-purity uniform powders and custom dust-free granule configurations to ensure absolute batch precision inside your industrial mixing environment.