RenJie® PA66 RJ-A3Z BK is an independently developed, black toughened nylon 66 by Renjie Plastics. It features excellent stability, high flowability, and superior low-temperature impact resistance. Designed as an ideal alternative to BASF A3Z BK, it is highly suitable for sports equipment and outdoor applications.

Renjie Plastics — your professional partner in modified nylon compounds.

Shenzhen Renjie Plastic Raw Materials Co., Ltd. is a specialized source factory producing modified nylon. We offer replacement solutions for popular grades across our PA6/PA66 lines, including glass-fiber reinforced, flame-retardant, toughened, and low-temperature-resistant series.

We support custom formulation based on your samples, with performance benchmarked against imported brands such as BASF, Celanese, and Lanxess. With 500 tons of stock on hand, we deliver faster and at lower cost.

We are ISO9001 and IATF16949 certified and provide free sample validation to help customers achieve cost reduction and efficiency gains through domestic substitution. Whether you need a direct drop-in replacement for a specific grade or custom formula adjustments, we provide one-on-one technical support and rapid response.

RenJie® Replacement Cross-Reference Chart

25 popular imported grades, mapped one-to-one — matched performance, optimized cost

Our 5-Step Replacement Process

1. Consultation — Share your performance requirements and application by phone or WeChat.
2. Grade Selection — Our technical team evaluates your needs and recommends a matching grade.
3. Free Sample — From 5 kg, dispatched within 3 days for your testing.
4. Validation — You test and confirm performance parity with the original grade.
5. Volume Supply — After sample approval, we ship against payment received.