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Brazing Flux BrazeTec H 28 PASTE

Brazing Flux BrazeTec H 28 PASTE

Product catalog summary
Technical Datasheet Summary: Brazing Flux BrazeTec H 28 PASTE
Composition and Technical Data:
  • Composition: Potassium Tetrafluoroborate (30-40%), Amorphous silica (1-5%), Mixture of borates with water (remainder).
  • Color: White
  • Working Temperature: 580-940°C
  • Density: 1.7 g/cm3
  • Chemical Characteristics: Hygroscopic
  • pH: 5.5 (10 g/l in water at 20°C)
  • Solubility: 300 g/l in water at 20°C
  • State: Paste, powder
  • Residues: Corrosive, must be removed with water and mechanical rubbing
  • Standard: DIN EN 1045 FH 10
  • Shelf Life: Minimum 6 months in original sealed container at +5 to +30°C
Applications:
  • Used in refrigeration, air conditioning, electrical industry, automotive, precision metal parts, fashion accessories, and plumbing technology.
Operating Conditions:
  • Effective for removing surface oxides during brazing.
  • Suitable for joining steel, copper, copper alloys, nickel, and nickel alloys.
  • Remains solid up to 100°C, allowing use in machine brazing on inclined or vertical surfaces.
Recommended Alloys:
  • BrazeTec 5600, 5507, 4576, 4404, 4076, 3876, 3476, 3375, 3076, 3075, 2576, 2500, 2009, 1875, 1204, 503
Heat Source:
  • Flame, induction heating
Notes:
  • The information provided is based on research and experience, serving as recommendations. Users must verify product suitability for their specific applications.
  • Italbras S.p.A. disclaims liability for any loss, damage, or injury arising from the use of this information.
  • Technical modifications may occur as part of product development.
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Catalog excerpts

Brazing Flux BrazeTec H 28 PASTE-1

Brazing Flux BrazeTec H 28 PASTE td en h 28 rev.2 Composition and technical data: Applications Refrigeration, air conditioning and electrical industry, automotive, precision metal parts, fashion accessories, plumbing technology Operating conditions Flux for brazing process. Excellent for removing surface oxides. Used for joining steel, copper and copper alloys, as well as nickel and nickel alloys. It does not become liquid during heating up to 100°C, so it can be used for machine brazing operations on inclinated or vertically positioned work pieces. Recommended alloys BrazeTec 5600, 5507, 4576, 4404, 4076, 3876, 3476, 3375, 3076, 3075, 2576, 2500, 2009, 1875, 1204, 503 Heat source Flame, induction heating Notes The information reported in this document about our products and equipment as well as our systems and procedures are based on our research and our experience in the field of applied engineering and are merely recommendations. Italbras S.p.A. cannot foresee all circumstances in which these information and our products will be used, therefore the user must verify the suitability of our products and processes for the use or application intended by him on his own responsibility. Italbras S.p.A. declines any liability for any loss, damage or injury howsoever arising (including any claim brought by third parties) as a result of the use of such information. Each warranty of suitability of our products and their use within the production processes of the user, must be agreed in written form. We reserve the right to make technical modifications to this document in the course of our product development. Italbras S.p.A. part of Umicore -Strada del Balsego, 6 - 36100 Vicenza (I) [email protected] - www.italbras.it -Tel. +39 0444.3475-00 / Fax +39 0444.3475-01

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