HEMPEL High-Solids Inorganic Zinc-Rich Paint 850 is a zinc-rich primer. The product can be used as a single complete coating for long-term protection of steel exposed to moderately to severely corrosive and abrasive environments. HEMPEL High-Solids Inorganic Zinc-Rich Paint 850 is a solvent-borne self-curing inorganic zinc-rich silicate primer with excellent weathering resistance and abrasion resistance. Parameters on this page: volume solids 70 ± 2%, dry film thickness 50 µm, theoretical spreading rate 14 m²/L. Comparable models from the same brand: HEMPEL Fibre-Reinforced Inorganic Zinc-Rich Paint 15750, HEMPEL Zinc-Rich Primer 16490, HEMPEL Inorganic Zinc-Rich Paint 15700.
Parameter source: HEMPEL original technical data sheet (TDS) for HEMPEL High-Solids Inorganic Zinc-Rich Paint 850; spreading rate and other values are converted from TDS parameters and provided for product selection reference only.
The above content is compiled from the manufacturer's datasheet and this site's parameter tables. For selection, coating systems and lead times, pleaseContact Usfor confirmation.
This page carries the full TDS for this product, translated from the manufacturer's original document. No file download is needed; for an original-language copy, send an enquiry.
| Volume Solids | 70 ± 2% |
|---|---|
| Dry Film Thickness | 50 µm |
| Theoretical Spreading Rate | 14 m²/L |
| VOC | 418 g/L (China) |
| Density / Specific Gravity | 2.6 kg/L |
| Number of Components | Two-component |
| Flash Point | 20°C |
| Thinner | HEMPEL's Thinner 08700 |
| Colour / Appearance | Grey 19840 |
For more Q&A on selection, application, acceptance and defect diagnosis, seeFAQsection.
850
HEMPEL High-Solids Inorganic Zinc-Rich Paint 850 is a solvent-borne self-curing inorganic zinc-rich silicate primer with excellent weathering resistance and abrasion resistance. The product provides excellent galvanic corrosion protection against local mechanical damage. It has excellent chemical resistance in the pH range 6-9. The product meets the composition requirements of SSPC Paint 20, Type I, Level 1 and ISO 12944 Part 5 (2018). It fully complies with ISO 3549 and ASTM D520 Type II.
HEMPEL High-Solids Inorganic Zinc-Rich Paint 850 is recommended as a general-purpose, heavy-duty anticorrosive primer for new construction and maintenance. Suitable for structural steel and pipelines. Recommended for various atmospheric corrosive environments, up to extreme environments (offshore). The product can be used as a single complete coating for long-term protection of steel exposed to moderately to severely corrosive and abrasive environments. According to Hempel's technical specifications, the product is also suitable for specific tank lining applications. For further information, contact your local Hempel representative.
- With a suitable topcoat: fully dry, atmospheric exposure: 540 °C [1004 °F], peak: 600 °C [1112 °F].
- Meets ISO 12944 requirements when used as part of a specified coating system. Part 6 C5H, C5VH. Part 9 CX.
Edition 6, System 1. Edition 7, System 1A.
| Product safety | Flash point 20 °C |
|---|
| Regulations | Value |
| European Union | 418 g/L |
| USA (coatings) | 418 g/L |
| USA (regulatory) | 418 g/L |
| China | 418 g/L |
Subject to applicable legislation; see the explanatory notes on hempel.com or the local Hempel website. According to EPA Method 24. The product complies with the VOC requirements of mandatory or recommended national standards; for details, consult the company representative.
Handle with care. Before and during use, observe the safety labels on the packaging and paint containers and comply with all local and national safety regulations. Consult the Hempel Safety Data Sheet and Product Data Sheet for the product at all times.
For professional use only.
| Product code | 15711 |
|---|---|
| Product components | Base 15718 |
Zinc 97170
| Standard colour / code | Grey 19840 |
|---|---|
| Gloss | Flat |
| Volume solids | 70 ± 2% |
850
| density | 2.6 kg/L |
|---|---|
| Recommended dry film thickness | 50 µm |
For further details, refer to the separate Hempel document Surface Preparation Guide.
Base 15718 : Zinc 97170 (32 : 68 by weight)
Products containing floating or settling particles/pigments require continuous stirring during application; this is especially important when heavily thinned.
| Thinner | HEMPEL's Thinner 08700 |
|---|
HEMPEL's Accelerator and Thinner 0870M
| Cleaning solvent | HEMPEL's Thinner 08700 |
|---|
| Product temperature | 10°C | 20°C | 30°C |
| Pot Life | 8 h | 4 h | 3 h |
| Tools | Maximum thinning volume | Application parameters |
| Airless Spray | 5% | Nozzle pressure: 10 MPa; nozzle size: 0.48–0.58 mm |
| Air Spray | 10% | Not applicable. |
| Brush | 5% | Not applicable. |
To reduce dry spray at high temperatures, additional thinning may be required. If brush or roller application is used, several coats may be required to achieve the specified dry film thickness. Spray parameters are indicative and may be adjusted to suit site conditions. Pressure figures apply to the material at 20 °C. (*For other application methods, consult the company representative.)
| Specification range | Low | High | Recommended |
| Dry Film Thickness | 50 µm | 100 µm | 50 µm |
| Wet Film Thickness | 71 µm | 143 µm | 71 µm |
| Theoretical Spreading Rate | 14 m²/L | 7 m²/L | 14 m²/L |
Over-thickness shall be strictly controlled; locally it shall never exceed 125 µm [5.0 mil] DFT. On irregular surfaces, particular care is recommended to avoid over-application.
850
| Surface temperature | 10°C | 20°C | 30°C |
| Touch Dry | 30 min | 15 | 7¼ |
| Hard Dry | 120 min | 60 | 30 |
| Fully cured | 12 h | 6 | 4 |
Dry film thickness 50 µm measured under standard conditions; see Hempel's explanatory notes for details. For moisture-curing products, drying time depends on the relative humidity, so on-site drying times may differ.
Hempel's specifications supersede all guidance shown in the recoat table.
| Product name | 0°C | 10°C | 20°C | 40°C | |
| Atmospheric, moderate | |||||
|---|---|---|---|---|---|
| HEMPEL's Multi-purpose Epoxy Mastic 500 (winter grade) | Minimum | 24 h | 12 h | 6 h | 2 h |
| Maximum | Extendable* | ||||
Extendable* Depending on the actual exposure conditions, the coated surface may be recoated after an extended time. Contact your local Hempel representative for advice.
For products of the same generic chemical composition, recoat times are for reference only.
For further information, refer to Hempel's specifications.
- To achieve the stated drying times, adequate ventilation during application, drying and curing is essential.
| Ambient temperature | 25°C |
| Binder | 9 months |
| Zinc | 36 months |
When stored in unopened original containers, shelf life is counted from the date of production. Thereafter, the product quality must be re-inspected. Storage at high temperatures may shorten the shelf life. For advice, consult Hempel.
- Store the product in accordance with the Safety Data Sheet, label and local regulations. Keep containers in a dry, cool, well-ventilated place away from heat and sources of ignition. Keep containers tightly closed. Handle with care.
| Dry Film Thickness | 1 µm | |
| GWP (Global Warming Potential) | 11.5 g CO₂e/m² |
Carbon footprint is based on a 1 µm dry film thickness formed over a surface area of 1 m².
The scope includes raw materials, transport to the Hempel factory, the Hempel production process, and any volatile organic compounds (VOC) emitted during and after use of the product.
850
For further information, refer to the Hempel website (https://www.hempel.com/service-and-support/technical-guidelines) or your local Hempel website:
| Number | Document description | Location/Notes |
| 3. | PDS | This document |
datasheet, which is also available for download at www.hempel.com.
This Product Data Sheet (“PDS”) relates to the product supplied (the “Product”), and its content is updated from time to time. Accordingly, the buyer/applicator should refer to the PDS supplied with the relevant batch of product (rather than an earlier version). In addition to the PDS, the buyer/applicator may receive some or all of the specifications, declarations and/or guides shown below, which are also available for download from the “Products” page of the Hempel website (www.hempel.com) (hereinafter the “Supplementary Documents”):
| 1. | Technical declaration | Provides one-off specific advice for the requirements of a specific project |
| 2. | Specifications | Issued for specific projects only |
| 4. | Explanatory notes to the PDS | Available for download at www.hempel.com, containing information related to product test parameters |
| 5. | Application guide | If available, provided at www.hempel.com |
| 6. | General technical guidelines (e.g. application and surface preparation) |
If the information in the PDS and the supplementary documents is inconsistent, the information shall take precedence in the order listed above. In this case, contact the Hempel representative for clarification. In addition, the buyer/applicator must give full consideration to the relevant safety information accompanying each product. Hempel accepts no liability for any defects arising from application not carried out fully in accordance with the recommendations and requirements of the relevant PDS and supplementary documents. The information and terms in this disclaimer apply to this PDS, the supplementary documents and any other relevant documents provided by Hempel for this product. In addition, unless otherwise expressly agreed in writing, supply of the product and all technical support are subject to Hempel's General Conditions of Sale, Delivery and Service.
Information is subject to the manufacturer's latest version; the manufacturer's latest TDS prevails.
The technical parameters on this page are taken from the product's original manufacturer technical datasheet, the copyright of which belongs to the manufacturer. If a rights holder considers the presentation inappropriate, contact us for verification and handling.
Packaging specifications and batch lead times are subject to actual availability. PleaseContact Uscontact us for project-based calculation.
