Bostik 70-03A
Bostik 70-03A is a high-performance SMP adhesive and sealant for elastic construction joints. It provides high green strength, excellent adhesion, and permanent elasticity even in extreme temperatures.
Bostik 70-03A Features:
- Solvent-, PVC-, and isocyanate-free
- High green strength and good workability
- Permanently elastic (-40°F to 212°F)
- Paintable wet-on-wet
Bostik 70-03A Applications:
- Elastic bonding in transportation: buses, trains, trucks
- Bonding roofs, corner profiles, and floor systems
- Sealing welded seams
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 PHYSICAL PROPERTIES |
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Description |
Results |
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Basic Material |
Silyl Modified Polymer |
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Curing Method |
Moisture |
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Specific Gravity |
Approx. 1.4 g/ml |
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Skin Forming Time |
10 min. |
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Open Time |
<15 min. |
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Curing Speed After 24 hrs. |
0.125-in (3mm) |
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Shore A Hardness |
Approx. 55 |
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Volume Change |
<3% |
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Green Strength |
300 Pa (Physical Rheometer MC100) |
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Tensile Stress (100%) |
245 psi (2.3 MPa) |
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Tensile Stress at Break |
275 psi (2.6 MPa) |
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Elongation at Break |
250% |
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Lap Shear Strength |
360 psi (2.5 MPa) |
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E-Modulus (10%) |
475 psi (3.3 MPa) |
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Temperature Resistance |
-40°F to 250°F (-40°C to 120°C) |
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Temperature Resistance |
350°F (180°C) (max 1/2 hr) |
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Application Temperature |
40°F to 95°F (5°C to 35°C) |
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UV and Weather Resistance |
Excellent |
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Colors (standard) |
White, Grey, Black |
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Packaging |
10.1 oz cartridge, 13.5 oz and 20 oz, 5 gal pail, 52 gal drum |
