Product Details:
| Minimum Order Quantity | 100 Kg |
| Application Area | Concrete, Tyre Molding, Die Casting, Rubber Molding, Plastic Molding, PU Foam |
| Grade | Waterproof (D3) |
| Base Type | Water Base |
| Form | Liquid |
| Brand | Astrra |
| Silicone Content | Low Silicone |
| Application | MDF, Veneer, Wood, Plywood, PVC, Particle Board, Laminates, Block Board |
| Finish Type | Gloss |
| Packaging Type | Can |
| Transfer Type | Slight Transfer |
| Packaging Size | 50L |
| Color | White |
| Special Features | Heat Resistant |
| Shelf Life | 18 Months |
| Application Method | Cold Press |
Here’s a comprehensive overview of the uses and applications of PVA Liquid (Polyvinyl Alcohol Liquid) – Mould Releasing Agent across different industries:
�� What is PVA Liquid (Mould Releasing Agent)?PVA Liquid is a water-based, film-forming mould release agent primarily composed of Polyvinyl Alcohol. It creates a thin, flexible, and peelable barrier film on mould surfaces, preventing the moulded material from sticking. It is particularly effective for use with resins, composites, and concrete.
Appearance: Clear or tinted viscous liquid
Solubility: Water-soluble
Drying: Air dries to form a smooth, flexible film
Application method: Brush, spray, or sponge
Acts as a barrier between the gel coat/resin and the mould surface
Ensures clean de-moulding of parts
Prevents resin from sticking to mould during curing
Used with epoxy or polyester resins
Avoids surface bonding and tearing of composite layups
Applied to moulds made of rubber, metal, or plastic before pouring concrete or plaster
Prevents the cast from adhering to mould surface
Useful in decorative concrete tiles, figurines, panels, etc.
In moulding clay, plaster of Paris, or resins, PVA helps ensure easy release
Suitable for restoration work, museum replicas, and decorative moldings
Popular in silicone moulds for fine details
Used in production of body panels, dashboards, and marine parts made from fiberglass or composite
Ensures high-quality finish and prevents damage to expensive moulds
Acts as a release film for casting urethane rubbers or foams in non-porous moulds
Avoids need for mechanical mould separation, protecting both mould and cast
Essential in mould preparation for prototype manufacturing, especially for thermoforming and resin casting
Easy application (brush/spray)
Non-toxic, non-flammable
Provides high-gloss or matte release depending on finish
Reduces labour by simplifying de-moulding
Water-soluble – easy to clean off after use
Compatible with a variety of mould materials (fiberglass, metal, rubber, plastic)
Clean and prepare mould surface thoroughly.
Apply a thin, even coat using a brush, sponge, or spray gun.
Allow to air dry for 15–30 minutes (or more depending on humidity).
For best results, apply 2–3 coats, allowing each to dry between applications.
After casting, simply peel or wash off the PVA film.
Additional Information:
Product Details:
| Packaging Size | 100-1000 ml |
| Usage/Application | Cosmetic and Medicine |
| Color | Pale Yellow |
| Form | Liquid |
| Refractive Index | 1.455-1.46 |
| Brand | Astrra Chemicals |
| Molecular Formula | C10H18O |
| Molecular weight | 154.25 |
| Melting point | 1.5 |
Product Details:
| Minimum Order Quantity | 100 Kilogram |
| Brand | Astrra Chemicals |
| Usage/Application | Industry |
| Packaging Type | Poly Bag |
| Packaging Size | 25KG |
| Chemical Formula | Fe2O3 |
| Melting Point | 1,565 Deg C |
| Molar mass | 159.69 g/mol |
CERTIFICATE OF ANALYSIS
IRON OXIDE BLACK – (FINE)
|
SEIVE ANALYSIS |
RESULT ( 5 RETAINED ) |
|
150 MESH BSS ( 100 MICRONS ) |
TRACES |
|
240 MESH BSS ( 63 MICRONS ) |
05% - 15% |
CHEMICAL ANALYSIS
|
SPECIFIC GRAVITY |
04.90 – 05.30 |
|
HARDENSS |
06.00 – 06.50 |
|
DENSITY (g/cm3) |
04.00 – 04.50 |
|
OIL ABSORPTION ( ml/100gm ) |
18.00 |
|
FERRIC OXIDE as Fe2O3 |
>90.00% |
|
LOI AT 1000 Deg.c |
< 03.00% |