N,N'-m-Phenylene Bismaleimide rubber vulcanizator agent HVA-2 (PDM)
1. Yellow or brown powder
N,N'-m-Phenylene Bismaleimide rubber vulcanizator agent HVA-2 (PDM)
Specifications
Items | Specifications |
Appearance | Yellow or brown pwder |
Initial Melting Point,°C,≥ | 198.0 |
Heat Loss,%,≤ | 0.50 |
Ash,≤,% | 0.50 |
Residue on 150μm Sieve, max,%,≤ | 0.10 |
Properties: This product is the proportion of 1.44, can be dissolved in dioxane, tetrahydrofuran and hot acetone, insoluble in petroleum ether, chloroform, benzene and water.
Application:
Rubber vulcanizing agent HVA-2 is equivalent to rubber crosslinking agent HV268, suitable for
general and special rubber vulcanization of rubber, can be sulfur or peroxide crosslinking agent for crosslinking
agent can also be a separate and fiber cord and rubber adhesion promoter
1. In the application of EPDM: HVA-2 peroxide were used as a crosslinking agent to improve and heat aging properties
of vulcanized rubber, crosslinking density, mechanical properties and strength retention after aging. Amount of 1-2 were.
2. In the nitrile rubber applications: light-colored or white in the acrylonitrile-butadiene rubber filled with reinforcing in, HVA-2 can significantly improve the heat resistance, reduced compression. In the carbon black - nitrile rubber compound also has some effect.
3. In the CSM Application: used as a crosslinking agent and scorch agent, so vulcanized
rubber has excellent heat resistance, electrical properties and resistance to compression set resistance.
Can be used Ca (OH) 2 + HVA-2 + Antioxidant AW (light-colored products with MB) system, and with the oxide curing system and use, or for other curing system.
4. In the halogenated butyl rubber Application:
for HVA-2 + ZnO and used, curing speed, excellent vulcanizate properties.
Can HVA-2 + alkyl phenol formaldehyde resin with curing, curing speed, excellent heat resistance vulcanizates.
5. Differences in the natural rubber and rubber Application:
HVA-2 + accelerator DM (or other promoters) can be high temperature rapid curing.
HVA-2 and sulfur and used to improve thermal oxidative aging of vulcanized rubber, reinforced fiber
cord and rubber adhesion, regardless of position or dynamic conditions, very high bond strength retention.
6 Application of the CR: HVA-2 with anti-scorch and hardening effect.
7 In the butyl rubber applications: to improve heat resistance, and resistance to extraction of volatile.
8 The application of polyurethane rubber mixing: with peroxide curing agent and used to improve wear
resistance and high temperature properties, good compressive deformation can also be used alone
HV-A2 as curing agent, to improve oxidation resistance, remove the use of peroxide peculiar smell.
9 .In the fluorine rubber applications: to improve heat resistance.
10. In other rubber Application:
HVA-2 also apply acrylic rubber, silicone rubber, thermoplastic elastomers such
as vulcanized regulator application; in particular, can improve the dielectric properties of silicone rubber.
Package Coextruded paper bags lined with polyethylene bags. Net weight 25 kg per bag.
