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Master Batch


Master Batch Introduction

It is a pelletized raw material that is dispersed after concentrating high concentrations of polymer materials and additives such as dispersants, vulcanisers, foaming agents, etc.
Used to manufacture shoe parts which are Midsole and Outsole.


For Phylon midsole: EVA
For Rubber Outsole: Rubber



Reinforcing agent: ZnO,TiO2,CaCO3
Accelerator: M, DM, TS
Blowing agent
Other agent

Master batch(PBPD)
(Pellet type)


Buwon Master Batch

Buwon produces Master Batch products with various functions for EVA, rubber, and is able to develop Master Batch according to customer requirement properties.

Advantages of Buwon Master Batch
VN Factory Capacity: 1,850 MT/MO
Indonesia Factory Capacity: 450MT/MO (Plan to increase capacity gradually)
Possess and retain the development ability for various properties requested by the customer.
Possess and retain the quality in which there is no change in terms of stable process, excellent manpower and equipment.

Introduction of Buwon Master Batch Production Line

· EVA Master Batch + Compound 6Line
· Rubber Master Batch 3 Line
· Flex 1 Line (EVA + Rubber Master Batch)

EVA Master batch

Function Item name Chemical composition Active content(%) Appearance
Filler B43 MgCO3 Magnesium 43 Light white pellet
B50 CaCO3 Calcium 50 White pellet
Accelerator B50 ZnO Zinc Oxide 50 White pellet
White color B50 TiO2 Titanium Dioxide 50 White pellet
B60 TiO2 60 White pellet
Low Ammonia Blowing Agent CELLCOM-JTR/BW Azodicarbonamide 45~50 Light yellow pellet
Cross-linking Agent DCP-40B Dicumyl peroxide 40 White pellet
BIBP-40B Di(tert-butylperoxyisopropyl)benzene 40 White pellet
CO-Curing Agent B50 TAIC Triallyl isocyanurate 50 White pellet
Adhesion Reinforcement BHA 50 Thermoplastic polyurethane 50 White pellet

Rubber Master batch

Function Item name Chemical composition Active content(%) Appearance
Filler B80 CaCO3 Calcium 80 White pellet
Sulfur M/B & Cross linking agent B80 S Soluble Sulfur 80 Light yellow pellet
B75 IS Insoluble Sulfur 75 Yellow pellet
Accelerator B75 M 2-Mercaptobenzothiazole 75 Ivory pellet
B75 DM 2,2’-Dithiobis(benzothiazole)(MBTS) 75 Ivory pellet
B75 TBzTD Tetrabenzylthiuram Disulfide 75 White pellet
Vulcanizing accelerator B75 CZ N-Cyclohexyl-2-Benzothiazole Sulfenamide 75 Ivory pellet
Vulcanizing accelerator
& Anti-scorching agent
B75 NS N- tert-butyl-benzothiazole sulfonamide 75 Ivory pellet
Vulcanization B80 ZnO Zinc Oxide 80 White pellet
B80 ZnCO3 Zinc Carbonate 80 Pale beige pellet
White color B80 TiO2 Titanium Dioxide 80 White pellet
Soy bean oil SBO-50 Soybean oil 50 Light yellow pellet
Anti-abrasion B50 Si69 4,4,15,15-Tetraethoxy-3(Si-69) 50 Light yellow pellet
Homogenizing Agent R60 Petroleum/Hydrocarbon Resin 99 Pale yellow pastilles
Activating Agent PEG4000 a-Hydro-w-hydroxypoly(oxy-1,2-ethanediyl) 99 White Flake
BW-TS20 Combination of highly reinforcing silica and
Activating substances based on urea
99 Light yellow granular
Anti-Scorching Agent WS-100 Diisopropylxanthogen tetrasulfide 40 Pale Yellow Pellet
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