Shenzhen Hanast New Material co.,LTD
                                                                                                           
Verified Supplier
16 Years
Since 2010
Menu

Tin Cure Silicone Rubber RTV2 20 Shore A Milky White Liquid for Artificial Stone Cultured Marble

Price Negotiable
Price: Negotiable
MOQ: 1 Kilogram
Delivery Time: 5-7 Days
Brand: Hanast
Product Description

RTV2 Tin Cure Liquid Silicone Rubber for Artificial Stone & Cultured Marble Molds — HN-620 A/B

HN-620 A/B is an industrial-grade milky-white, soft RTV2 tin cure (condensation cure) liquid silicone rubber, mixed at 100:2 and vulcanized at room temperature. With high tear resistance, low shrinkage and good fluidity, it is engineered for building molds used in artificial stone production, cultured marble casting, cement and gypsum reproduction, and architectural casting.

Key Features

  • Strong tear resistance, high & low temperature resistance, acid & alkali resistance, aging resistance
  • Low linear shrinkage (≤0.2%, i.e. ≤2‰) for accurate, repeatable reproduction of intricate detail
  • Soft, milky-white cured rubber — easy demolding, finished product will not turn white
  • Good fluidity, self-leveling, easy bubble release and easy pouring
  • Mold can be turned over many times with long service life; non-toxic and odorless
  • ROHS & SGS certified; color, hardness, viscosity and operating time adjustable on request (OEM/ODM)

Technical Specifications

PropertyValue
ModelHN-620 A/B
Mixing Ratio (A:B)100:2
ColorMilky White (soft)
Viscosity170,000 cps
Density1.06 g/cm³
Hardness20 Shore A
Tensile Strength3.1–3.6 MPa
Tear Strength19.8–24.3 kN/m
Elongation600–720%
Linear Shrinkage≤0.2% (≤2‰)
Curing Agent Addition2–3%
Operating Time30–40 minutes
Curing Time3–4 hours at room temperature

Applications

  • Artificial stone production and cultured marble casting molds
  • Architectural casting and construction molds
  • Large stones, gypsum, cement parts, cultural stones, Roman columns and stone carvings
  • Resin & gypsum handicrafts, soap molds, tire turning and segmented molds

Trade Information

  • Place of Origin: Guangdong, China
  • Certification: ROHS, SGS
  • Minimum Order Quantity: 1 kilogram
  • Packaging: 25KG / iron drum
  • Delivery Time: 5–7 days
  • Payment Terms: T/T
  • Price: Negotiable — contact us for wholesale and OEM quotations.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Hanast New Material co.,LTD
Location Units 1210-1211, Block B, Building 6, Hengda Fashion Valley, Dalang Street, Longhua District, Shenzhen, Guangdong Province, China
Contact Person Candy

Request A Quote

Please check your email address.
Your message must be at least 20 characters.