CAS 38742-70-0 Engineering Plastic Expandable Microspheres High Temp Extrusion Blowing Agent Weight Reduction
CAS 38742-70-0 Engineering Plastic Expandable Microspheres are high-temperature physical blowing agents customized for engineering plastic extrusion processes. The microspheres expand steadily under high-temperature extrusion conditions to form fine closed-cell structure inside materials. It realizes effective weight reduction, lowers raw material consumption while maintaining good mechanical properties and dimensional stability of plastic profiles. Featuring outstanding heat resistance, excelle
CAS 38742-70-0 Engineering Plastic Expandable Microspheres High Temp Extrusion Blowing Agent Weight Reduction
Product Overview
CAS 38742-70-0 High Temperature Expandable Microspheres are professional physical blowing agents specially developed for engineering plastic extrusion and high-temperature molding processes. Designed to withstand high processing temperatures of various engineering plastics, these microspheres expand evenly and stably during extrusion, forming dense, uniform closed-cell structures inside plastic substrates. The product effectively reduces overall material density, realizes significant weight reduction and cuts raw material costs. Meanwhile, it retains excellent mechanical strength, structural rigidity and dimensional stability of finished plastic products. Featuring superior high-temperature resistance, outstanding dispersion and universal compatibility with multiple engineering plastic systems, it delivers stable foaming performance and low shrinkage rate, serving as an ideal lightweight modification additive for high-end extruded engineering plastic products.
Core Features
Excellent High Temperature Resistance: Optimized molecular structure adapts to high-temperature extrusion molding environment of engineering plastics. Microspheres will not crack, collapse or fail to expand under continuous high-temperature processing, ensuring stable foaming effect in industrial mass production.
Efficient Weight Reduction & Cost Saving: Uniform closed-cell foaming structure greatly reduces the weight and density of engineering plastic products. It lowers raw material consumption per unit product, effectively reducing production costs while maintaining product basic performance.
Superior Dimensional Stability: Low thermal shrinkage and stable foaming structure effectively inhibit product warping, deformation and shrinkage after high-temperature extrusion molding. It improves product flatness and dimensional accuracy, reducing defective rate.
Universal Engineering Plastic Compatibility: Ultra-fine microsphere powder disperses uniformly in various engineering plastic resin systems without agglomeration and precipitation. It does not damage the original mechanical properties, surface gloss and processing fluidity of plastics.
Smooth & Delicate Product Surface: The closed-cell foaming structure is fine and uniform without coarse pores and surface bubbles. It ensures smooth and flat surface of extruded profiles, avoiding appearance defects and improving product grade.
Eco-Friendly Physical Foaming: Adopts pure physical thermal expansion principle, no chemical decomposition, no harmful residues, low odor and low VOC. It meets environmental protection standards for industrial plastic products and has no impact on product safety.
Product Specifications
Product Name: High Temperature Expandable Microspheres
CAS No: 38742-70-0
Product Type: Engineering Plastic Extrusion Blowing Agent, Weight Reduction Additive
Applicable Process: High-temperature extrusion, profile molding, plastic continuous foaming production
Appearance: White Ultra-Fine Powder
Applicable Materials: PA, PC, ABS, POM, PP/PE modified engineering plastics and other thermoplastic engineering materials
Core Function: Plastic foaming, weight reduction, density reduction, anti-shrinkage, cost optimization
Recommended Dosage: 1.5%–4.0% (Adjustable according to target weight reduction and foaming requirements)
Application Scope
Widely used in lightweight foaming modification of various engineering plastic extrusion products. Suitable for engineering plastic profiles, automotive engineering plastic parts, electronic plastic accessories, industrial plastic structural parts, modified plastic particles and other products. It solves the problems of heavy weight, high material consumption and easy deformation of traditional solid engineering plastics, and is widely applied in automobile manufacturing, electronic appliances, industrial profiles and modified plastic industry.
Usage Guide
Add expandable microspheres to engineering plastic raw materials under low-speed stirring at room temperature, and mix evenly slowly. Avoid high-speed shear stirring and long-term high-temperature preheating to prevent microsphere rupture and premature foaming. After uniform mixing, carry out conventional high-temperature extrusion molding production. Complete stable thermal expansion and closed-cell foaming during the extrusion process. Adjust microsphere dosage, extrusion temperature and processing speed appropriately according to product weight reduction standard and surface requirements. Keep sealed and moisture-proof during production and storage.
Packaging & Storage
Packaging: 25kg sealed moisture-proof composite bag with inner PE liner, dust-proof and leak-proof, suitable for industrial bulk supply and long-distance transportation.
Storage: Store in a dry, cool and ventilated warehouse, keep tightly sealed at all times. Avoid direct sunlight, high-temperature accumulation and humid environment to prevent microsphere caking and spontaneous foaming. The standard shelf life is 12 months under qualified storage conditions.
Our Advantages
Our high-temperature expandable microspheres feature excellent heat resistance, stable expansion ratio and strong adaptability to engineering plastic extrusion processes. The product can form uniform and delicate closed-cell structure stably, realizing efficient weight reduction and cost reduction while ensuring the mechanical properties and dimensional stability of engineering plastic products. We support factory direct sales, long-term stable bulk supply, free sample testing and professional modified plastic extrusion formula technical support, helping customers improve product market competitiveness.
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