Why do bubbles form after adding the curing agent?

This is a normal physical phenomenon where mixing creates bubbles. The material must undergo vacuum exhaust treatment to remove them.

Premium Silicone Rubber Casting Materials From China Supplier

Name: Premium Silicone Rubber Casting Materials From China Supplier
Brand: GUANGZHOU OTT NEW MATERIALS CO., LTD.
SKU: 1981243795

Guangdong, ChinaGUANGZHOU OTT NEW MATERIALS CO., LTD.

US$4.05-6.68

100 kg

Sample price:US$6.00/kg.Request sample

Product profile

Customization

Available

Material

Organic Silicone

Application

Industrial, DIY Art

Model NO.

OTT-S825

Certification

ISO, FDA, MSDS

Business

Factory Direct Sale

Sample

Available

Hardness

25A Shore

Color

White

Mix Ratio

100:3

Shelf Life

18months

MOQ

100kg

Trade Term

EXW/CNF/CIF/Fob

Shipment

by Sea, by Air

Shipment Time

3-5days

Transport Package

Plywood Pallet

Specification

5kg, 20kg, 25kg, 200kg, 1000kg drum

Trademark

OTT

Origin

Guangzhou

HS Code

3910000000

Production Capacity

600000

Key features

High Duplication Life: Supports 50 to 1000 casting cycles depending on product size.

Low Shrinkage Rate: Shrinkage is only 0.2% ensuring high precision in replicas.

Non-Toxic & Eco-Friendly: Safe for industrial and DIY use with ISO, FDA, and MSDS certifications.

Fast Delivery: Ships within 4-6 days after payment confirmation.

Long Shelf Life: Maintains quality for 18 months when stored in cool, dry places.

Customizable Hardness: Available in Shore A 5 to 40 to suit various molding needs.

Professional R&D Support: Backed by a dedicated team of 2 engineers for technical solutions.

Company profile

GUANGZHOU OTT NEW MATERIALS CO., LTD.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2022-07-27 CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤9.00h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryGuangzhou OTT New Materials Co., Ltd. is a China-based limited company established in 2014, operating in silicone and related chemical materials. It reports five production lines, a 1,700 m² manufacturing plant, broad product coverage, exports representing 90% of total sales, and stated peak- and off-peak-season fulfillment within 15 working days. The supplier holds ISO 9001:2015 certification and describes technical support, after-sales service, and silicone-material innovation capabilities. However, the available information indicates a relatively small organization of 17 employees, fewer than five quality-control staff, and limited documented customer-trade evidence. Financial strength, customization performance, and the depth of customer cases cannot be conclusively assessed from the provided data.

Supplier typeThe supplier is identified as Guangzhou OTT New Materials Co., Ltd., a China-based limited company operating in chemicals and silicone materials. Its listed products include architectural-restoration silicone and mold-making silicone, while its broader product keywords cover multiple liquid, RTV, cured, and specialty silicone products.

CertificationsThe supplier reports holding an ISO 9001:2015 certificate, providing explicit evidence of a certified quality-management system. No other certifications are stated in the provided information.

After-Sales capabilityThe supplier states that three doctoral senior researchers and 12 professional engineers support quality improvement, product development, innovation, and after-sales service. It also explicitly claims to provide technical solutions, after-sales service, and ongoing technical support, although no service-performance metrics or response-time data are provided.

R&D capabilityThe supplier explicitly reports top technology in condensation and addition-cured silicone in China and identifies doctoral researchers and professional engineers supporting new-product development and innovation. Its stated range of related silicone materials further supports technical breadth, though no independently verified innovation results are provided.

Production capacityThe supplier reports five production lines, a 1,700 m² manufacturing plant, and order fulfillment within 15 working days in both peak and off-peak seasons. Its product scope is broad and export sales are stated to represent 90% of total sales, but the small total workforce of 17 employees and fewer than five quality-control staff indicate that operational scale should be verified for large-volume requirements.