High reputation Castable Polyurethane Shoe Mould Prepolymer - Donspray 501 water base blend polyols – INOV
High reputation Castable Polyurethane Shoe Mould Prepolymer - Donspray 501 water base blend polyols – INOV Detail:
Donspray 501 water base blend polyols
INTRODUCTION
DonSpray 501 is a two-components, spray-applied, open-cell polyurethane foam system. This product is fully water-blown
foam system with good performances of low density ( 8~10kg/m3), open cell and fire resistance Class B3.
During spray process in site, the breathing small open cell filled with air, without producing toxic gas to destroy the Ozone
layer( traditional blowing agent: F-11, HCFC-141B), which is environment friendly, low-carbon new construction materials.
With highly performance of thermal insulation, moisture & vapor barrier, air barrier, sound absorption, PU foam can give us a
quieter, more energy saving buildings leading us to a healthier life.
PHYSICAL PROPERTY
Description |
DD-44V20 |
DonSpray 501 |
Appearance Hydroxyl value Viscosity Specific gravity Storage Stability |
Brown liquid N/A 200-250 mPa.S/20℃(68℉) 1.20-1.25 g/ml (20℃(68℉)) 12 months |
Light yellow to brown transparent liquid 100-200 mgKOH/g 200-300 mPa.S/20℃(68℉) 1.05-1.10 g/ml (20℃(68℉)) 6 months |
REACTIVITY PROPERTIES (Material temperature: 20℃(68℉) , the actual value varied as per processing condition)
POL/ISO RatioCream Time
Gel Time Free Density |
by volumeS
S kg/m3(lb/ft3) |
1/13-5
6-10 7-9 (0.45-0.55lb/ft3) |
IN-PLACE FOAM PERFORMANCES
Items | Metric Unit | Imperial Unit | ||
Spray Density Compressive Strength K-Factor(Initial R Value) Tensile Strength Open-cell Rate Sound Absorption Rate (800Hz-6300Hz, average) Dimensional Stability -30℃*24h 80℃*48h 70℃*95%RH*48h Water Vapor Permeability Oxygen Index |
GB/T6343-2009 GB/T8813-2008 GB/T10295-2008 GB/T 9641-1988 GB/T10799-2008 GB/T18696-2-2002 GB 8811-2008 QB/T 2411-1998 GB/T 2406-1993 |
8~12kg/m3 ≥13KPa ≤40mW/(m.K) ≥33KPa ≥99% 0.43% 0.1% 0.9% 2.4% 793 |
ASTM D 1622 ASTM D 1621 ASTM C 518 ASTM D 1623 ASTM D 1940 ISO10534-2 ASTM D 2126 ASTM E 96 ASTM D 2863-13 |
≥0.60 ≥1.80PSI ≥3.60/inch ≥4.80PSI ≥99% 0.43% 0.1% 0.9% 2.4% 14.41 22.5% |
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"Quality initial, Honesty as base, Sincere support and mutual profit" is our idea, so as to build repeatedly and pursue the excellence for High reputation Castable Polyurethane Shoe Mould Prepolymer - Donspray 501 water base blend polyols – INOV , The product will supply to all over the world, such as: Sri Lanka, Lesotho, Monaco, Our company always provides good quality and reasonable price for our customers. In our efforts, we already have many shops in Guangzhou and our products have won praise from customers worldwide. Our mission has always been simple: To delight our customers with best quality hair products and deliver on time. Welcome new and old customers to contact us for the future long term business relationships.

We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
