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70 Shore A Polyurethane Liquid Rubber 1:1 Mix Ratio for Concrete Stamps

70 Shore A Polyurethane Liquid Rubber 1:1 Mix Ratio for Concrete Stamps

  • 70 Shore A Polyurethane Liquid Rubber 1:1 Mix Ratio for Concrete Stamps
70 Shore A Polyurethane Liquid Rubber 1:1 Mix Ratio for Concrete Stamps
Product Details:
Place of Origin: CHINA
Brand Name: MC
Model Number: MC-PU70A/B
Payment & Shipping Terms:
Minimum Order Quantity: 240kg
Price: Negotiable
Packaging Details: 20kg per drum
Delivery Time: 3-5 working days after payment
Payment Terms: L/C,T/T,Western Union
Supply Ability: 4000kg per day
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Detailed Product Description
Product Name: Polyurethane Mold Rubber Color: Clear Yellow
Hardness: 70 Shore A Viscosity: 1500-2000 Cps
Mix Ratio: 1:1 Gel Time: 20-30 Mins
Curing Time: 24 Hours Applications: Making Molds For Concrete Stamp
Shelf Life: 6 Months
Highlight:

70 Shore A polyurethane liquid rubber

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1:1 mix ratio polyurethane rubber

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polyurethane liquid rubber for concrete stamps

1:1 Mix Ratio Low Shrinkage 70 Shore A Polyurethane Liquid Rubber For Concrete Stamp
High Strength RTV Polyurethane Liquid Rubber For Concrete & Stamping
This product consists of A&B components, where B is the curing agent and A is polyurethane prepolymer. It is ideal for creating concrete or cement stamping molds as well as manufacturing durable rubber parts for machinery and automotive applications.
Applications
  • Cultural stone mold production
  • Electrical equipment potting
  • Rubber rollers and plates
  • Rubber wheels and shoe models
  • Ski and snowboard components
70 Shore A Polyurethane Liquid Rubber 1:1 Mix Ratio for Concrete Stamps 0 70 Shore A Polyurethane Liquid Rubber 1:1 Mix Ratio for Concrete Stamps 1
Key Features
  • Room temperature cure
  • Low viscosity
  • Simple 1:1 mix ratio
  • Negligible shrinkage
  • 6-month shelf life in unopened containers when stored properly
Technical Specifications
Component A - MC-PU70A
Appearance Colorless or light yellow transparent liquid
Viscosity (30℃) mPa·s 2500±300
Component B - MC-PU70B
Appearance Light yellow liquid
Viscosity (30℃) mPa·s 560±200
Mixed Properties
Ratio A:B (mass ratio) 1:1
Operation temperature (℃) 25-40
Gel time (30℃) (min) 20-30 (variable)
Hardness (Shore A) 70±3
Tensile strength (MPa) 8-11
Elongation at break (%) 250-350
Tear strength (kN/m) 26-30
Rebound (%) 30-35
Specific gravity (25℃) (g/cm³) 1.18
Mixing Instructions
  • Shake both A and B components vigorously before use
  • Measure equal parts by volume into clean plastic or metal containers
  • Combine in a third clean container and mix vigorously for at least one minute
  • Ensure thorough mixing by scraping sides and bottom until uniform color is achieved
Important Handling Tips
  • Always wear proper respiratory protection when working with urethanes
  • Use in controlled environment (65-75°F with regulated humidity)
  • Use only clean plastic/metal utensils - avoid paper or wood
  • Recap containers immediately after use
  • Minimum mix quantity: 3 ounces for proper curing
  • Hand mixing recommended to prevent premature curing
  • Maintain exact 1:1 mix ratio - do not alter
  • Moisture control is critical - avoid high humidity conditions
  • For large molds, mix multiple small batches
  • Allow shaken components to settle before mixing to release bubbles
Packaging & Storage
Package: 20Kg/drum
Storage: Store in cool, dry place. For partial drums, use nitrogen blanket (N2) to preserve shelf life. Original packing storage time is 6 months.
70 Shore A Polyurethane Liquid Rubber 1:1 Mix Ratio for Concrete Stamps 2

Contact Details
MINGCHENG GROUP LIMITED

Contact Person: Ms. Julie

Tel: +86-13537275098

Fax: 86-769-82696808

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