FAQ
Quark New Materials is a national high-tech enterprise specializing in the R&D, manufacturing, sales, and service of functional materials. With the development philosophy of "Concentration, Profession, Innovation," we are committed to providing customers with "energy-saving, eco-friendly, and durable" advanced engineering materials, PI composite materials, and comprehensive technical solutions.
How long is the scribed salt spray resistance for polysiloxane coatings with film thickness of 60-80µm
It’s around 1000 hours, with blistering at the scribe, spread area is less than 2 mm.
For high-build polysiloxane coatings with epoxy functionality and cured with aminofunctional curing agent, what will be the pricing, dosage and how much does the overall cost increase?
This depends on the specific formulation and the target solids content. Compared to commonly used polysiloxane resins from Wacker, Evonik, Dows, Quark is very cost-competitive.
Which type of anti-corrosive pigments are recommended in epoxy polysiloxane coatings? Will they significantly affect salt spray resistance?
Phosphate types and calcium ion-exchanged silicas are suitable, which can effectively improve anti-corrosion performance. Conventionally, these anti-corrosive pigments are often added to the primer.
Is it possible to apply polysiloxane resin for flooring coatings?
Yes, SH-217 epoxy-modified polysiloxane will be the recommended material for flooring coatings. This coating system offers short curing time, can be applied at low temperatures and high humidity. Besides, it exhibits good abrasion resistance, and excellent resistance to acids and alkalis.
What will be the pull-off adhesion when polysiloxane is used over micaceous iron oxide (MIO) or solvent-free epoxy?
For example, SH-217 (primer-topcoat-in-one) over MIO, the pull-off adhesion exceeds 8 MPa.
How is the recoatability of polysiloxane?
If polysiloxane coatings are recoated with the same coating system, the recoatability of polysiloxane is good.
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