Retarders for gypsum plaster

PHYSICAL PROPERTIES

KEY PROPERTIES

A cost-effective thixotropic agent for mineral-based construction systems

Improved ease of application and surface smoothness

Increased sag resistance and softness

Decreased pumping pressure and stickiness on tools

Anti-sedimentation and anti-bleeding

Stability against bacteria and enzymes

Plasters, Renderings and Stucco

Lime cement plaster

EIFS plaster and adhesive system

Emulsion plasters/synthetic stucco

Skim coats

Gypsum plasters

Mortars

Joint fillers

Plasterboard jointing compounds

Gypsum, latex and cement pointing compounds

Screeds and Underlayments

Self leveling flooring compounds

Cementitious and gypsum anhydrate screeds

LEVELS OF USE

The usage and dosage of retarder will depend on nature and purity of gypsum plaster

The level of addition depends on the desired consistency of the system. Typical levels range from 0.1% - 3.0% additive, based on total formulation.

In plasters typically 0.1% - 0.3% are used can be combined with other thickening agents.

Potential Health Effects

Inhalation:

Acute inhalation not expected to result in adverse effects.

Prolonged inhalation may cause respiratory tract irritation.

Effects include: No other effects expected unless listed below.

Eye Contact:

Eye contact causes irritation.

Skin Contact:

Skin contact causes irritation.

Prolonged skin contact can result in irritation causing redness and itching.

Skin Absorption:

Not expected to be harmful if absorbed through the skin.

Ingestion:

Harmful if ingested.

Effects include: Nausea, pain, vomiting, diarrhea and digestive tract irritation.

FIRST AID MEASURES

Skin Contact:

Wash with soap and water.

If discomfort or irritation persists, consult a physician.

Remove contaminated clothing and wash before reuse.

Eye Contact:

Flush eyes with water for at least 15 minutes while holding eyelids open. If discomfort or

irritation persists, consult a physician.

Ingestion:

Rinse mouth with water. Give the person one or two glasses of water and then consult

physician.

In extreme emergency, induce the victim to vomiting under professional supervisions.

Inhalation:

No hazard in normal industrial use.

If symptoms develop, get fresh air, and if symptoms persist, consult a physician.

If breathing has stopped, give artificial respiration then oxygen if needed.

HANDLING AND STORAGE

Precautionary Measures:

Avoid contact with eyes, skin and clothing.

Do not take internally.

Practice good personal hygiene to avoid ingestion.

Use only with adequate ventilation.

Wash clothing before reuse.

FOR PROFESSIONAL USE ONLY. KEEP OUT OF CHILDREN’S REACH.

EXPOSURE CONTROL /PERSONAL PROTECTION

Engineering Measures:

Ventilation must be adequacy.

Personal Protective Equipment:

Common rules:D o not eat, drink and smoke at working place. Avoid to longtime

contact the

substance and breathe the dust of the substance. Change the contaminated clothing

and wash it.

Respiratory Protection:

Necessary

Skin Protection:

Rubber or other impervious gloves should be worn to prevent skin

contact.

Eye Protection:

At minimum, safety glasses with side shields should be worn where

exposure to excessive dust or spry is likely.

Work/Hygienic Practices:

Use good personal hygiene practices.

None beyond those noted above.

STABILITY AND REACTIVITY

Storage:

Keep away from the heat, direct sunlight and fire.

Conditions To Avoid:

Strong oxidant.

Hazardous Decomposition Products:

This substance will not decompose hazardously.

OTHER INFORMATION

To the best of our knowledge, the information contained herein is accurate. However,

Our Company does not assume any liability whatsoever for any of its completeness of the information contained herein. Final determination of suitability of any material is the sole responsibility of the user. All materials may present unknown hazards and should be used with caution. Although certain hazards are described herein, we cannot guarantee that there are the only hazards which exist