Visicryl 7290 Tds [repack] Page
| Property | Typical Value (±5 %) | Test Standard | |----------|----------------------|----------------| | | 1.20 g cm⁻³ | ASTM D792 | | Tensile Strength (MD/TD) | 70 MPa / 65 MPa | ASTM D638 | | Elongation at Break (MD/TD) | 120 % / 115 % | ASTM D638 | | Flexural Modulus (25 mm) | 2.5 GPa | ASTM D790 | | Impact Strength (Izod, notched) | 600 J m⁻¹ | ASTM D256 | | Heat Deflection Temperature (HDT, 0.455 MPa) | 115 °C | ASTM D648 | | Service Temperature Range | –40 °C to +120 °C (continuous) | Manufacturer data | | Coefficient of Thermal Expansion (CTE) | 70 × 10⁻⁶ °C⁻¹ (in‑plane) | ASTM D696 | | Water Absorption (24 h, 23 °C) | ≤0.2 % | ASTM D570 |
Visicryl 7290 is designed to bridge the gap between cost-efficiency and high performance. Its primary benefits include:
Typically, Visicryl 7290 is designed as a multipurpose binder. Its chemical structure suggests a polymer designed to offer the hydrophobic benefits of styrene (water resistance) combined with the durability and UV stability of acrylic esters. This dual nature makes it a prime candidate for both interior and exterior applications, a fact that should be prominently reflected in its technical data. visicryl 7290 tds
The high shear adhesion failure temperature (SAFT) allows this adhesive to bond neoprene, EVA, and polyurethane foams without creep under moderate heat (e.g., car interiors in summer).
| Parameter | Typical Value | Unit | Significance | | :--- | :--- | :--- | :--- | | | Milky white liquid | Visual | Indicates proper emulsification; no grit or coagulum. | | Non-Volatile Content (NVC) | 50.0 – 52.0 | % | Determines dry film thickness and cost efficiency. | | Viscosity (Brookfield, LVT, #3, 60 rpm, 25°C) | 500 – 1,500 | cP (mPa·s) | Ensures consistent coating weight and machine runnability. | | pH Value | 6.5 – 7.5 | - | Critical for stability with other formulation additives (e.g., thickeners). | | Glass Transition Temperature (Tg) | -35 to -30 | °C | Predicts film softness and tack at room temperature. | | Minimum Film Forming Temperature (MFFT) | < 0 | °C | Allows low-temperature application without coalescing solvents. | | Particle Size (Mean) | 150 – 250 | nm | Influences penetration into porous substrates and film clarity. | | Density (at 25°C) | Approx. 1.02 | g/cm³ | Useful for volumetric batching and cost-per-volume calculations. | | Property | Typical Value (±5 %) |
Visicryl 7290 is a high‑performance, transparent thermoplastic polymer sheet marketed under the brand family. It belongs to the class of polycarbonate‑acrylic blends engineered for demanding optical, mechanical, and environmental requirements. The “7290” designation identifies a specific formulation that balances superior impact resistance, excellent UV stability, and a low coefficient of thermal expansion (CTE). Because of these attributes, Visicryl 7290 is frequently chosen for applications such as protective glazing, automotive light covers, medical device housings, and high‑clarity display panels.
The is your essential tool for unlocking the full potential of this self-crosslinking acrylic dispersion. By understanding each parameter—from the -30°C Tg to the self-crosslinking activation conditions—you can design adhesives and coatings that excel in demanding environments such as automotive, packaging, and nonwovens. This dual nature makes it a prime candidate
Visicryl 7290 is generally classified as a styrene-acrylic emulsion or a pure acrylic emulsion, depending on the specific manufacturer’s formulation lineage. Products in this classification are widely used in the paint and construction industries due to their excellent binding properties and cost-effectiveness.
Before diving into the specific numbers associated with Visicryl 7290, it is essential to understand the function of a Technical Data Sheet. Unlike a Material Safety Data Sheet (MSDS/SDS), which focuses exclusively on safety and hazard handling, the TDS is a performance manifesto. It provides the physicochemical properties that dictate how a polymer will behave when mixed with pigments, fillers, and additives.