№ files_lp_3_process_9_61870
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Note: Year
Test Area: Test a minimum 4 ft. by 4 ft. area on each type of masonry. Use the manufacturer’s application instructions. Let test area protective treatment cure before inspection. Keep test panels available for comparison throughout the protective treatment project.
Manufacturer: PROSOCO, Inc., 3741 Greenway Circle, Lawrence, KS 66046. Phone: (800) 255-4255; Fax: (785) 830-9797. E-mail: [email protected]
Product Description: PROSOCO® Concrete Silane WB 20 is a water-based, 20 percent silane emulsion, ready-to-use, high-grade, penetrating water repellent for concrete that provides resistance against the damaging effects of water intrusion, freeze-thaw cycles, and chloride intrusion.
Form: milky white emulsion
Specific Gravity: 0.96 to 1.02
pH: 9.0 to 10.0
Weight/Gallon: 8.0 to 8.5 pounds
Active Content: 20 percent
Flash Point: greater than 158 degrees Fahrenheit (greater than 70 degrees Celsius)
Freeze Point: 32 degrees Fahrenheit (0 degrees Celsius)
Water Vapor Transmission: 100 percent retention, ASTM D6490
Shelf Life: 1 year in tightly sealed, unopened container
VOC Content: 350 grams per Liter maximum
Limitations: May darken or enhance some surfaces. Will not prevent water penetration through structural cracks, defects, or open joints. Not suitable for asphalt or other non-masonry materials. Not appropriate for use on limestone, marble, travertine, other calcareous stones, or non-concrete surfaces.
Application: Apply once using enough material to keep the surface wet approximately 30 to 60 seconds before penetrating.
Second Coat Application: A second application may be needed on some porous surfaces. Apply the second coat a few minutes after the first coat penetrates and appears dry. Always test.
Dry Time: Protect treated surfaces from rain, foot and vehicular traffic for at least 4 hours after application. PROSOCO® Concrete Silane WB 20 gains its water-repellency properties in 5 to 7 days.
Cleanup: Clean tools and equipment immediately with soap and warm water.
Price: 8 / 10 USD
The file will be delivered to the email address provided at checkout within 12 hours.

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Highly Hazardous Chemicals Standard Operating Procedure: Silane (SiH4)
Note: Year
Topic: Chemical Safety
Document Type: Standard Operating Procedure
Organization / Institution: EH&S, LSC, and Building Director
Target Audience: Laboratory staff and safety personnel
PROSOCO® SingleStep® WB Cure-and-Seal Specification
Note: Year
Organization / Institution: PROSOCO, Inc.
Target Audience: Architects, Contractors
Product Description: PROSOCO® SingleStep® WB is a water-based acrylic-silane blend for curing and weatherproofing new concrete in one easy step.
Technical Specifications: FORM: white, opaque liquid; mild odor
Specific Gravity: 1.01
pH: not applicable
Weight/Gallon: 8.43 pounds
Active Content: 18 percent
Total Solids: 17 percent
Flash Point: greater than 212 degrees F (greater than 100 degrees C)
Freeze Point: 32 degrees F (0 degrees C)
Shelf Life: 2 years in tightly sealed, unopened container
VOC Content: less than 120 grams per Liter
Limitations: Not recommended for use in California’s South Coast Air Quality Management District
Application: Apply as packaged; do not dilute or alter
Drying Time: Touch dry in 2 to 3 hours
Cleanup: Clean with water while still wet
Sure Klean® Weather Seal Blok-Guard® & Graffiti Control WB 6 Water Repellent Specification
Note: Year
Organization / institution: PROSOCO, Inc.
Product description: Sure Klean® Weather Seal Blok-Guard® & Graffiti Control WB 6 is a water-based silicone emulsion designed for weatherproofing concrete blocks and porous masonry materials, including graffiti protection.
Limitations: Not suitable for dense or polished surfaces; does not prevent water penetration through structural cracks.
Application instructions: Apply using low-pressure spray or brush for uniform coverage; reapply as needed for porous surfaces.
Drying time: Treated surfaces dry to the touch in 1 hour; full properties develop in 24 hours.
Graffiti removal: Use PROSOCO Graffiti Remover or SafStrip.
Cleaning: Clean tools and equipment with soap and warm water.
Sure Klean® Weather Seal Blok-Guard® & Graffiti Control WB 15 Water Repellent Specification
Manufacturer: PROSOCO, Inc.
Manufacturer Address: 3741 Greenway Circle, Lawrence, KS 66046
Manufacturer Phone: (800) 255-4255
Manufacturer Fax: (785) 830-9797
Manufacturer Email: [email protected]
Product Name: Sure Klean® Weather Seal Blok-Guard® & Graffiti Control WB 15
Product Type: Water-based silicone emulsion water repellent and anti-graffiti treatment
Intended Use: Weatherproofing and graffiti control for concrete block and porous masonry
Applicable Substrates: Concrete block, brick, unglazed terra cotta, porous tile, concrete, certain natural stones
Application Areas: Interior and exterior masonry surfaces
Form: Opaque white liquid
Specific Gravity: 1.00
pH: 9.00
Weight per Gallon: 8.35 pounds
Active Content: 15 percent
Total Solids: 15 percent (ASTM D2369)
Flash Point: Greater than 212°F (>100°C) ASTM D3278
Freeze Point: 32°F (0°C)
VOC Content: Less than 50 g/L
Shelf Life: 1 year in tightly sealed, unopened container
Application Methods: Low-pressure spray, brush, or roller
Coating System: Single wet-on-wet application; second coat as required
Drying Time: Approximately 1 hour to touch at 60–80°F and 50% humidity
Cure Time for Water Repellency: 24 hours
Graffiti Resistance Development: 3–5 days depending on climate
Limitations: Not suitable for dense or polished surfaces, horizontal traffic surfaces, asphaltic or painted surfaces, or below-grade applications
DEAS 1120-1: 2022, Mosquito repellent — Performance test guidelines — Part 1: Skin applied, First Edition
Year: 2024
Region / city: East Africa
Subject: Mosquito repellent
Document type: Notification Addendum
Organization: East African Community Council of Ministers
Author: Burundi, Kenya, Rwanda, Tanzania, Uganda
Target audience: WTO Members
Period of validity: From 14 June 2024
Date of approval: 14 June 2024
Note: Date of amendments
Description: Notification of the adoption of a draft East African Standard for mosquito repellent performance test guidelines, effective as of 14 June 2024.
Topics: Silane PROSOCO Repellent