VS-3 245fa Blowing Agent Polyurethane Spray Foam - 30-40 kg/m³ Density with ≤24 mW/(m·K) Thermal Conductivity

Price Negotiable

Price: Negotiable

MOQ: 1000 kg

Delivery Time: within 15 workdays

Brand: VICUS-VIDA

Product Description

Product Overview

VS-3 Polyurethane Spray Blend Polyols is a specialized formulation using 245fa blowing agent as an environmentally preferred alternative to HCFC-141B. This two-component system reacts with isocyanate to produce rigid foam with superior insulation properties.

Key Performance Features

Fine and uniform cellular structure
Low thermal conductivity for excellent insulation
Superior flame resistance properties
Excellent dimensional stability at low temperatures

Physical Properties

Property	Value
Appearance	Pale yellow to brown viscous liquid
Hydroxyl Value	200-300 mgKOH/g
Dynamic Viscosity (25°C)	100-200 mpa.s
Specific Gravity (20°C)	1.12-1.20 g/ml
Storage Temperature	10-25°C
Storage Stability	6 months

Recommended Mixing Ratio

Component	Parts by Weight
VS-3 Blend Polyols	100
Isocyanate	100-105

Reactivity Characteristics

Parameter	Value
Cream Time	3-5 seconds
Gel Time	6-10 seconds

Foam Performance Specifications

Property	Test Method	Value
Spray Density	GB 6343	30-40 kg/m³
Closed-cell Rate	GB 10799	≥90%
Initial Thermal Conductivity (15°C)	GB 3399	≤24 mW/(m·K)
Compressive Strength	GB/T8813	≥150 kPa
Adhesive Strength	GB/T16777	≥120 kPa
Elongation at Break	GB/T9641	≥10%
Dimensional Stability (-20°C, 24h)	GB/T8811	≤1%
Dimensional Stability (70°C, 24h)	GB/T8811	≤1.5%
Water Absorption	GB 8810	≤3%
Oxygen Index	GB 8624	≥26

Applications

Ideal for thermal insulation applications using spray technology, including cold storage rooms, industrial pots, and large-scale pipeline insulation systems.