Bostik BST™
Bostik BST™ is a high-performance urethane adhesive and moisture vapor retarder for wood flooring installations. With excellent green grab, it minimizes slipping during installation and forms a strong, flexible bond that adapts to wood movement. BST™ is water-free, low VOC, and easy to trowel for professional-grade results.
Bostik BST™ Features:
- Excellent green grab minimizes flooring movement
- Moderate moisture vapor protection
- Low VOC and water-free formula
Bostik BST™ Applications:
- Glue-down installations of engineered, solid, bamboo, cork, and parquet flooring
- Bonding over concrete, plywood, OSB, tile, cement board, and radiant-heat floors
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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Typical Properties
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CHEMICAL & PHYSICAL PROPERTIES |
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Use Environments |
Residential |
Yes |
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Offices/Light Commercial |
Yes |
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Heavy Commercial |
Yes |
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Hospital |
No |
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Exterior |
No |
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Wet Areas |
No |
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Substrates |
Concrete |
Yes |
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Plywood |
Yes |
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OSB |
Yes |
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Recycled Rubber Underlayment |
Yes |
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Well-Bonded Vinyl |
Yes |
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Terrazzo |
Yes |
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Ceramic Tile |
Yes |
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Cement Backer Board |
Yes |
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Gypsum Underlayments* |
Yes |
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Cement Patch/Underlayment |
Yes |
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Flooring Types |
Solid Hardwood |
Yes |
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Engineered Hardwood |
Yes |
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Bamboo |
Yes |
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Cork |
Yes |
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Parquet |
Yes |
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Plywood |
Yes |
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Ceramic Tile, Marble, Stone Inlays** |
Yes |
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Cured Physical Properties |
Cure Time*3 |
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Light foot traffic |
6 to 8 hours |
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Normal foot traffic |
8 to 12 hours |
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Water Vapor Permeability*4 |
< 0.9 |
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Concrete Moisture Vapor Limits for subfloor moisture vapor protection: |
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For engineered hardwood |
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ASTM 1869 Calcium Chloride Method |
≤ 15 lbs/ 1000 sq ft /24 hrs |
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ASTM 2170 Relative Humidity Test |
≤ 87% RH |
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For solid hardwood or bamboo |
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ASTM 1869 Calcium Chloride Method |
≤ 3 lbs/ 1000 sq ft /24 hrs |
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ASTM 2170 Relative Humidity Test |
≤ 75% RH |
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Elongation |
>180% |
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Service Temperature |
-40°F to 150°F (-40°C to 66°C) |
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Uncured Physical Properties |
Ease of Troweling |
Easy |
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Odor |
Mild |
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Open/Working Time*5 |
180 minutes |
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Color |
White |
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Density (lbs/gallon) |
13.7 |
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Percentage of Water*6 |
0% |
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Percentage of Adhesive Coverage Required: |
For Moisture Protection |
For Bond |
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Engineered |
100% |
>80% |
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Solid |
100% |
>95% |
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Application Temperature |
50°F to 100°F (10°C to 38°C) |
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Chemical Properties |
Chemistry Type |
1-Part Urethane |
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Adhesive Type |
Moisture Cure |
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VOC Compliant (tested per EPA Method 24) |
Yes (22 g/L) |
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Flash Point, closed cup |
142°F (61°C) |
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