What is the mixing ratio?

The standard mixing ratio is 100:3.

What materials can be cast?

Suitable for plaster, gypsum, concrete, wax, polyurethane, polyester resin, and more.

Cast Silicone Rubber for Making Concrete Design Molds

Name: Cast Silicone Rubber for Making Concrete Design Molds
Brand: Dongguan gangtian polymer materials Co.Ltd.
SKU: 1917988041

Guangdong, ChinaDongguan gangtian polymer materials Co.Ltd.

US$10.88

1-49 kg

US$9.88

50-199 kg

US$8.88

200+ kg

Sample price:US$12.00/kg.Request sample

Product profile

Customization

Available

Material

Organic Silicone

Application

Industrial

Model NO.

GTSIL-T10~T40

Certification

ISO, FDA, REACH, RoHS

Shelf Life

12 Months

Mixing Ratio

100:3

Color

Adjustable

Transport Package

Iron Drum Packaging

Trademark

GT SILICON

Origin

Guangdong Donggun

HS Code

3910000000

Production Capacity

500 Tons/Month

Key features

Adjustable Color Options: Available in red, pink, green, blue, yellow and other colors.

Food-Grade Safety: Certified by FDA, ISO, REACH, and RoHS for safe use.

Exceptional Tear Strength: High tensile and tear strength ensures durable mold performance.

Fast Delivery: Regular delivery within 3-5 working days after payment.

Free Sample Offer: 500g free sample available for quality testing.

Customizable Pot Life: Pot life and curing time adjustable via catalyst ratio.

Low Shrinkage: Minimal shrinkage rate ensures precise mold details.

Company profile

Dongguan gangtian polymer materials Co.Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-08-08 CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤6.18h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryDongguan Gangtian Polymer Materials Co., Ltd. is identified as a China-based manufacturer of silicone and polymer materials, established in 2011, with 59 employees and a 6,000 m² manufacturing plant. Its product portfolio includes RTV 2 silicone rubber, LSR, silicone oil, silicone ink, pigments, and electronic potting compounds. The supplier reports more than 10 production lines and annual capacities totaling 6,900 tons across listed products, as well as exports since 2016 with 21%–30% of sales from exports. It holds an ISO 9001:2015 certificate and reports six R&D engineers and six to ten quality-control staff. The information supports strengths in certification, product breadth, production scale, and international market experience. However, the provided evidence does not sufficiently establish financial credibility, customization capability, or specific customer cases. After-sales capability is indicated by a stated focus on after-service but is not documented in operational detail.

Supplier typeThe supplier is explicitly identified as a manufacturer and as a professional manufacturer of RTV 2 liquid silicone rubbers. Its company type is also described as a limited company, with operations in Dongguan, Guangdong, China.

CertificationsThe supplier holds an ISO 9001:2015 certificate for supplier management systems. This is explicit evidence of a formal quality-management certification.

R&D capabilityThe supplier describes an R&D focus on innovation, reports six R&D engineers, and states that it has developed performance-enhancing silicone solutions. These statements support an established R&D function, although no patents, laboratories, or quantified R&D results are provided.

Production capacityThe supplier reports more than 10 production lines, a 6,000 m² manufacturing plant, and product capacities of 2,500 tons each for tin and platinum silicone rubber, 1,000 tons for silicone oil, 800 tons for electronic potting compound, and 100 tons for pigment. It also states production capacity above 500 tons per month, indicating substantial manufacturing capability.