DMDBS CAS 135861-56-2 is a high-performance sorbitol clarifying nucleating agent, serving as reliable Millad 3988 replacement. It is specially developed for polypropylene random copolymer. It effectively lowers haze, raises transparency and surface gloss of PP random copolymer products, with good thermal stability and low odor, ideal for producing high-grade transparent PP random copolymer articles.

Product Detail

CAS 135861-56-2 DMDBS Nucleating Agent Millad 3988 Replacement for Polypropylene Random Copolymer

Product Overview

DMDBS, CAS 135861-56-2, is a high-efficiency sorbitol-based clarifying nucleating agent and reliable Millad 3988 replacement. It is specially optimized for polypropylene random copolymer. This additive efficiently reduces haze, improves light transmittance and enhances surface gloss of PP random copolymer products. It features excellent thermal stability, low odor and outstanding resin compatibility, maintaining stable clarifying effect during injection and extrusion processing. It is a cost-effective choice for manufacturers producing high-transparency PP random copolymer finished goods.

Main Advantages

Equivalent performance to Millad 3988, economical alternative solution

Optimized formulation for polypropylene random copolymer

Remarkably reduce haze and greatly improve product transparency

Excellent thermal stability, less decomposition under high processing temperature

Low odor, no adverse influence on end products

Good dispersion and compatibility with PP random copolymer

Basic Information

Chemical Name: Bis(3,4-Dimethylbenzylidene) Sorbitol

CAS Number: 135861-56-2

Short Name: DMDBS

Appearance: White fine powder

Melting Range: 240–255℃

Recommended Dosage: 0.15%–0.35% based on PP resin

Application Fields

Mainly applied to polypropylene random copolymer materials. Widely used for transparent food containers, plastic cups, lunch boxes, transparent household goods, PP random copolymer sheets, tubes and cosmetic packaging that require high transparency.

Usage Guidance

Mix DMDBS powder uniformly with PP random copolymer pellets directly, or prepare masterbatch in advance. Process under conventional PP forming temperature. Avoid continuous overheating to prevent decomposition. Adjust dosage according to target transparency and haze requirements.

Packaging & Storage

Packaging: 20kg paper-plastic composite bag with inner PE liner.

Storage: Keep sealed in dry, cool and ventilated warehouse. Avoid moisture and direct sunlight. Shelf life reaches 24 months under proper storage conditions.

Service Support

We provide stable supply of DMDBS clarifying nucleating agent. Free samples are available for customer evaluation. COA, TDS and MSDS can be provided upon request. Plastic manufacturers and global distributors are welcome to send inquiries.

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