Product Description:

• Product Name: NOROX ? HDP-75
• Chemical composition: methyl ethyl ketone peroxide/hydroperoxytert-butyltoluene
• Main applications: Liquid polymerization initiator for curing special unsaturated polyester and vinyl ester resins at room temperature.
• Product Benefits/Nature:
  • Lower peak exotherm
  • Longer operating time (gel time)
  • Eliminates the "leading edge effect" common to other perovskites used in VRTM applications.
  • Faster initial strength than other hydroperoxy-tert-butyltoluene mixtures
  • Excellent final curing results
  • Eliminates the need to mix peroxides in the plant
  • Reduced foaming potential and outgassing when used with vinyl esters for penetration processes

Technical data:

• Active oxygen content: not more than 9.0%
• Appearance: liquid
• Color: light yellow
• Specific gravity at 25°C: 1.09
• Flash point (C.O.C.): not less than 200°F/93°C
• Flash point (SETA C.C.): not less than 150°F/66°C
• Solubility: oxidizing organic solvents
• Slightly soluble in: water

Areas of application:

• Liquid polymerization initiator for unsaturated polyester and vinyl ester resins where low peak exotherm is required
• Compared to standard NOROX MEKP products (e.g. MEKP-925, -925H, etc.), the gel time is longer, but the final hardness of the cured resin is usually better.
• Ideal for thinner cross sections where peak exotherm needs to be controlled and fast demolding times are required

Curing Characteristics:

• Demonstrates the curing characteristics of NOROX? HDP-75 with different resin systems by comparing its performance with other MEKP products.

Packaging:

• Standard package size: 4x8 lb and 44 lb (20 kg) polyethylene bottles
• NOROX ? HDP-75 can be obtained in already colored 44 lb (20 kg) bottles.

Disclaimer:

• The information and technical recommendations provided in the documentation are based on internal testing and are intended to inform interested parties about our products and their possible applications. This information should not be interpreted as providing a guarantee for specific product properties or their suitability.
• We reserve the right to make any changes in accordance with technological advances and corporate developments.
• In accordance with the law, we are not liable for the intellectual property rights of third parties.
• The recommended use and application of our products based on our application know-how is beyond our control and entirely the responsibility of the user. It is the user's obligation to verify the suitability of the product for the intended use.