BYK-MAX D 4221

1 of 145 products in this brand
BYK-MAX D 4221 is a powder dispersant and wetting agent designed for use with fillers such as mica, talc, and wollastonite (CaSiO3). It is effective in plastics and elastomers for dispersing and wetting applications. The product complies with the Clean Air Act (CAA) Sections 111 and 112, as well as the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).

Functions: Dispersant, Wetting Agent

Compatible Polymers & Resins: Acrylonitrile Butadiene Styrene (ABS), Polyacrylates, Polybutylene Terephthalate (PBT), Polyethylene Terephthalate (PET), Polyethylenes (PE), Polypropylenes (PP), Polystyrenes (PS)

Labeling Claims: Not Listed In California Proposition 65

Technical Data SheetSafety Data Sheet
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Enhanced TDS

Identification & Functionality

Fillers Included
Mica,
Talc,
Wollastonite (CaSiO3)
Manufactured By
BYK-Chemie
Plastics & Elastomers Functions
Dispersant,
Wetting Agent
Technologies
Plastics
Product Families
Plastics — Polymer Additives
Performance Additives

Features & Benefits

Labeling Claims
Not Listed In California Proposition 65

Applications & Uses

Application Area
Thrust Reversers Heat Shileding
Compatible Polymers & Resins
Acrylonitrile Butadiene Styrene (ABS),
Polyacrylates,
Polybutylene Terephthalate (PBT),
Polyethylene Terephthalate (PET),
Polyethylenes (PE),
Polypropylenes (PP),
Polystyrenes (PS)
Use Level
5 - 15 % (Inorganic Pigments), 5 - 15 % (Titanium Dioxides), 25 - 40 % (Organic Pigments), 5 - 15 % (Carbon Blacks), 5 % (Blowing Agent), 5 % (Filler - Talc, Wollastonite, Mica) 
Application Information

Thermoplastics

Special Features and Benefits

BYK-MAX D 4221 is a highly functionalized, polymer additive. It has been specially developed for optimum  dispersion in conjunction with good throughput during the production of masterbatches. The additive has  a low melting point of around 55-60 °C (131-140 °F) and is therefore capable of efficiently wetting pigments prior to the fusing of the polymer carrier. It absorbs onto the pigment surface, thereby generating a steric stabilization which facilitates the dispersion of agglomerates and prevents reagglomeration. BYK-MAX D 4221 is also suitable for compounding siliceous fillers (talc, wollastonite, mica) in PA, PET and PBT.

Recommended Use

BYK-MAX D 4221 is recommended for the dispersion of solids in PP, PE, PS, PA, ABS, PET and PBT.

Recommended Levels

Amount of additive (as supplied) based upon solids:

Inorganic pigments: 5-15 %

Titanium dioxides: 5-15 %

Organic pigments: 25-40 %

Carbon blacks: 5-15 %

Blowing agent: 5 %

Filler (talc, wollastonite, mica): 5 %

The above recommended levels can be used for orientation. Optimal levels are determined through a series of laboratory tests.

Incorporation and Processing Instructions

The additive can be premixed with the solids or with the polymer carrier. Do not exceed a temperature of 60 °C (140 °F).

Properties

Physical Form
Powder
Typical Properties
ValueUnitsTest Method / Conditions
Bulk Density600kg/m³
Dropping Pointca. 194 °F
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Flash Pointmin. 200°CPensky-Martens
Melting Point57°C-
Density (at 20°C)ca. 1g/cm³-
Bulk Density600kg/m³-
AppearancePowder--
ColorOff-white--
Flammability (solid, gas)May form combustible dust concentrations in air--
Immiscible inWater--
Composition Data

Copolymer with pigment affinic groups

Regulatory & Compliance

Certifications & Compliance
Clean Air Act (CAA), Section 111,
Clean Air Act (CAA), Section 112,
Comprehensive Environmental Response, Compensations & Liability Act (CERCLA)
Chemical Inventories
DSL (Canada),
TSCA (USA)
OEM Specifications
Bombardier BAMS552-008

Packaging & Availability

Country Availability
Canada,
USA

Storage & Handling

Storage Conditions

To be stored and transported at a temperature below 40 °C (104 °F).