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Bruggolite® E28

Bruggolite® E28 offers improved performance for emulsion polymers requiring a reducing agent applied at a pH range of 2 - 4. Advanced Formaldehyde Free Reducing Agents Formaldehyde-free reducing agents from Brüggemann enable solutions for the latest technical challenges of environmental awareness, rising quality demands, and improved application performance. Our products and techniques enable emulsion polymer producers to improve efficiency with more sustainable raw materials. All offer the following attributes: Formaldehyde and VOC free Increased reactivity – better performance at lower dosage and time Low to zero residual free monomer level Non-yellowing FDA Direct Food Contact Approval Dust-free micro granules

Brand: Bruggolite (5 products)

Functions: Antioxidant, Initiator, Reducing Agent

Chemical Family: Sulfinic Acids & Derivatives, Sulfur-based Compounds

Applicable Processes: ABS Resins Manufacturing, Acrylic Ester Manufacturing, Acrylic Resins Manufacturing, Emulsion Polymerization, Ethylene-Vinyl Acetate (EVA) Manufacturing, Polycarboxylate Ether (PCE) Manufacturing, Polyvinyl Acetate Manufacturing, Polyvinyl Chloride Manufacturing, Styrenic Acrylic Resins Manufacturing, Vinyl Acetate Manufacturing, Water-based Radical Polymerization

Features: Alkali Resistant, Food Contact Acceptable, High Reactivity, Non-Yellowing Grade, Wide pH Range

Labeling Claims: Dust-free, Environmentally Friendly, Food Contact Acceptable, Formaldehyde-free, Residues-free, VOC-free

Enhanced TDS

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Features & Benefits

Labeling Claims
CASE Ingredients Features
Industrial Additives Features
Advantages of Application
  • Increased reactivity
  • Faster reactions
  • Higher safety due to reproducible performance
  • Decrease of VOC’s
  • Decrease of residual monomer content
  • Technical advantages in the polymerization process
  • Improved properties for end product polymers and latices
  • No discoloration of latex
  • No release of formaldehyde or any other VOC
  • Better filtration of emulsion polymer

Applications & Uses

Applicable Processes
Use Level
0.05 - 0.2% (on total formulation for post polymerization)
  • Bruggolite® E28 can be used in redox systems in combination with all commonly used oxidizing agents.
  • Bruggolite® E28 is typically applied in solution at a concentration of 3-5%.
  • Bruggolite® E28 should be used at reaction temperatures between 40 and 85°C.
  • Bruggolite® E28 is applicable over a broad pH range.
  • The optimal range is pH 2 to 4.
Fields of Application


  • Vinyl acetate ethylene (VAE)
  • Polyvinyl acetate (PVAC)
  • Vinyl acetate - acrylic and maleic copolymers
  • Acrylic and styrene acrylic copolymers (SA)
  • Polyacrylate
  • Polycarboxylate ethers (PCE)
  • Acrylics and acrylics ester latex (ACM)
  • Carboxylated latex (X-SBR, X-NBR)
  • Polyvinyl chloride (ePVC, PVDC, PVDF)
  • Acrylonitrile/Butadiene/Styrene terpolymer (ABS)
  • Special copolymers

End Use

  • Binders for paints and coatings
  • Building and construction chemicals
  • Polymers for printing inks
  • Adhesives
  • Polymers for paper coating
  • Leather auxiliaries
  • Latex foams
  • Thickening agents
  • Polymeric surfactants
  • Flocculants for water treatment
  • Non wovens



Physical Form
White powder
Typical Properties
ValueUnitsTest Method / Conditions
Melting Pointmin. 200 °C
Solubility in Water (at 20°C)approx. 100 g/l
ValueUnitsTest Method / Conditions
pH2 - 4

Regulatory & Compliance

Certifications & Compliance
Food Contact Notification

Bruggolite® E28 has FDA food contact notification with respect to the following chapters:

  • §175.105 “Adhesives”
  • §175.125 “Pressure Sensitive Adhesives”
  • §177.2600 “Rubber articles for repeated use”
  • §176.170 “Paper and board / aqueous and fatty food”
  • §176.180 “Paper and board / dry food”
  • §175.300 “Resinous and polymeric coatings”
  • §175.320 “Resinous and polymeric coatings for polyolefin films”

Safety & Health

Health and Safety Data
  • BRUGGOLITE®E28 is not classified as hazardous according to the valid CLP-Regulation. However, this does not exclude that the product is hazardous in its application of a hazardous material within the meaning of the Ordinance on Hazardous Substances. Therefore, a risk assessment has to be carried out prior to commencing activities. In any case, the general rules for handling chemicals must be observed. 
  • The aforementioned remarks are deducted from the European legal system. Deviating or additional regulations in other legal systems must be observed accordingly when using the product.

Packaging & Availability

Packaging Type
Standard Packaging

Bruggolite® E28 is supplied in 25 kg PE bags. Standard delivery form is 20 bags/500 kg on a CP5 pallet.

Storage & Handling

Shelf Life
24 Months
Storage and Stability
  • BRUGGOLITE®E28 has a significantly increased reactivity compared to other reducing agents resulting in a higher sensitivity to ambient moisture.
  • In unopened packaging Brüggemann guarantees a shelf life of at least 24 months if stored properly (25°C / dry).
  • BRUGGOLITE®E28 must not be stored together with oxidizing substances or acids.
  • Opened packaging, especially laboratory samples, should be closed tightly after use and stored under cool and dry conditions.